The statement ' some chemical reactions release heat, and others absorb heat. In an exothermic reaction, heat is released and the temperature of the system rises. In an endothermic reaction, heat is absorbed and the temperature of the system decreases' is true.
In the field of science, an exothermic reaction can be described as such a reaction in which heat is released. On the other hand, an endothermic reaction is such a reaction in which heat is absorbed from the environment.
As heat is released into the atmosphere, the temperature will rise for an exothermic reaction. On the other hand, as heat is taken, the temperature of the surrounding atmosphere will lower for an endothermic reaction.
The question will correctly be written as:
observe: some chemical reactions release heat, and others absorb heat. in an exothermic reaction, heat is released and the temperature of the system rises. in an endothermic reaction, heat is absorbed and the temperature of the system decreases. Is the observation true or false?
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which of the following statements regarding the behavior of real gases is false? which of the following statements regarding the behavior of real gases is false? deviations from ideal gas behavior are more pronounced at high pressures because the molecules experience greater attractions to one another. deviations from ideal gas behavior are more pronounced at low temperatures because the molecules experience greater attractions to one another. as the attractions between molecules increase, the value of the constant b in the van der waals equation increases. deviations from ideal gas behavior are more pronounced at high pressures because the fraction of space occupied by molecules becomes non-negligible.
The statement regarding the behavior of real gases which is false is: As the attractions between molecules increase, the value of the constant b in the van der Waals equation increases; option C is correct.
What are ideal gases?Idea gases refer to any gas whose molecules occupy negligible space and have no intermolecular interactions and thus obey the gas laws perfectly.
The ideal gas equation is given below as follows:
PV = nRT
where:
P is pressure of the gas
V is the volume of the gas
n is the number of moles of the gas
R is the molar gas constant
T is the temperature of the gas
In reality, though, no gas exhibits ideal behavior because intermolecular forces exist between the molecules of gas, and these gases are known as real gases.
Hence, the following conditions apply to real gases:
deviations from ideal gas behavior are more pronounced at high pressures because the molecules experience greater attraction to one anotherdeviations from ideal gas behavior are more pronounced at low temperatures because the molecules experience greater attraction to one another.deviations from ideal gas behavior are more pronounced at high pressures because the fraction of space occupied by molecules becomes non-negligible.Learn more about ideal gases at: https://brainly.com/question/20348074
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when 0.20 m nh4cl(aq) and 0.20 m naoh(aq) are mixed, the reaction represented by the equation above occurs and a strong smell of ammonia, nh3, is observed. based on this information, which of the following statements is true? A).
NH4+ (aq) acts as a Brønsted-Lowry base.
B
NH4+ (aq) is a stronger acid than H2O(l) is.
C
NH3(aq) is a stronger base than OH(aq) is.
D
NH, (aq) and Cl(aq) are a conjugate acid-base pair.
NH4+(aq)NH4+(aq) is a stronger acid than H2O(l)H2O(l) is.
An inorganic substance with the formula NH4Cl, ammonium chloride is a white, crystalline salt that is very soluble in water. Ammonium chloride solutions have a little acidic pH. It is referred to as sal ammoniac in the mineralogic form in which it occurs naturally. The mineral is frequently created by the condensation of gases obtained from coal on burning coal heaps. It can also be found near some kinds of volcanic vents. It mostly serves as a fertilizer and flavoring for some varieties of licorice. It is a byproduct of the interaction between ammonia and hydrochloric acid.
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ist all of the types of intermolecular interactions that occur in each of the following molecules. then circle the molecule in each row that has a lower boiling point.
According to the given statement Dispersion, Dipole–Dipole, Hydrogen Bonding, and Ion-Dipole.
What is molecule and its function?A molecule is the simplest unit of a molecule that keeps its content and properties. It is made up of two or maybe more atoms that are joined together by chemical bonds. Chemistry is built on molecules. The element name and a subscript indicating the number more atoms are used to identify molecules.
What purpose does a molecule serve?Molecular function refers to processes that take place at the molecular level, such as catalysis or binding. GO molecular function words do not describe the location, timing, or context of an action; rather, they indicate activities rather than the objects (molecules or complexes) that carry them out.
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when aspirin is synthesized from salicylic acid and acetic acid, aspirin is produced via what type of reaction?
The condensation reaction results in the formation of aspirin or acetylsalicylic acid. In the process, acetic acid's carboxylic acid group and the -OH group of the phenol from salicylic acid combine to generate acetylsalicylic acid.
What is Condensation reaction?
A group of reactions where two molecules unite with the elimination of water or another simple molecule, typically in the presence of a catalyst.
What is Acetylsalicylic acid?
A drug that is frequently used to alleviate pain and fever from many causes. Both anti-inflammatory and antipyretic actions are produced by acetylsalicylic acid. Additionally, this medication prevents platelet aggregation and is used to treat myocardial infarction, stroke, and blood clots.
The condensation reaction results in the formation of aspirin from salicylic acid and acetic acid.
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Complete the table of bond energies and bond lengths. 125 pm 145 pm 167 kj/mol 942 kj/mol 110 pm 418 kj/mol.
N-N: 145 pm and 167 KJ/mol
N=N: 125 pm, 418 KJ/mol
And N2: 110 pm , 942 KJ/mol
Explanation: Bond length is inversely proportional to bond energy.
Greater the bond length, the smaller the bond energy, and vice-versa.
In molecular geometry, bond length or bond distance is described because of the average distance among nuclei of bonded atoms in a molecule. It's far a transferable belonging of a bond between atoms of constant kinds, exceptionally independent of the relaxation of the molecule.
The bond period is described because of the equilibrium distance between the nuclei of bonded atoms in a molecule. The larger the size of the atom, the longer the bond length
The longest bond is taken into consideration to be a carbon-carbon bond, found in diamonds. Its duration is 154 pm. It's by far the longest because of the three-dimensional structure of a diamond, and the carbon atoms bonded via covalent bonds.
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One ounce of solution x contains only ingredients a and b in a ratio of 2:3. One ounce of solution y contains only ingredients a and b in a ratio of 1:2. If solution z is created by mixing solutions x and y in a ratio of 3:11, then 2520 ounces of solution z contains how many ounces of a?.
Then 2520 ounces of solution z contains ounces of a is 876 ounces.
given that ;
x contains a and b in the ratio = 2:3
y contains a and b in the ratio = 1:2
z contains the a and b in the ratio 3:11, that, means in 14 parts of solution.
therefore, 2520 ounces solution of z,
x = ( 2520 × 3 ) / 14 = 540
y = ( 2520 × 11 ) / 14 = 1980
x = 540 (2/5) = 216
y = 1980 / 3 = 660
thus, One ounce of solution x contains only ingredients a and b in a ratio of 2:3. One ounce of solution y contains only ingredients a and b in a ratio of 1:2. If solution z is created by mixing solutions x and y in a ratio of 3:11, then 2520 the ounces of solution of z = 876
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What is an example of a scope three carbon emission driving a gasoline fueled vehicle?.
A scope illustration Driving a car with gasoline as its fuel produces three carbon emissions. All of the emissions that take place across a company's value chain and are not covered by scope 2.
These emissions aren't caused by the business or the things it makes. Carbon emissions from operating a gasoline-powered vehicle are significant. Scope 3 applies since the product, not the company's machines, is what causes the emissions. There are three types of carbon emissions: 'Scope 1' or 'Direct Emissions' Direct GHG is produced at sources where the fuel is burned there and then. Examples of scope 1 emissions are personal automobiles and gas stoves. Typically, an internal combustion engine with spark ignition powers a gasoline vehicle.
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it takes 163 kj/mol to break an nitrogen-nitrogen single bond. calculate the maximum wavelength of light for which an nitrogen-nitrogen single bond could be broken by absorbing a single photon.
734 nm is the maximum wavelength of light for which an nitrogen-nitrogen single bond could be broken by absorbing a single photon.
Wavelength is the gap between identical points within the adjacent cycles of a waveform sign propagated in space or along a cord. In wi-fi systems, this length is generally laid out in meters, centimeters or millimeter.
The wavelength of light is an vital belongings for it's miles this that determines the nature of the light. Red light has a unique wavelength to that of blue light and green light has a special wavelength from each of them.
The wavelength is the distance between two wave crests, and it is going to be the identical for troughs. The frequency is the range of vibrations that pass over a given spot in one second, and it's miles measured in cycles according to second (Hz) (Hertz).
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Which of the following are properties of an ideal gas? No answer text provided No answer text provided each particle has a negligible volume compared to its surroundings individual particles are not attracted to nor repel each other gas particles move randomly in all directions at the same average kinetic energy at constant temperature collisions between gas particles are elastic [ Select Questi the volume of gas is directly proportional to the number of moles of that gas when temperature the volume of a gas is inversely proportional to the pressure exerted by that gas when temperature Define th the volume of gas is directly proportional to the temperature of that gas when pressure and Avogadro's Law [ Select ] Boyle's Law [ Select Charles' Law (Select]
The volume of the gas particles is insignificant. The gas particles are all the same size and have no intermolecular interactions (attraction or repulsion) with one another.
What are the properties of an ideal?The volume of the gas particles is insignificant. The gas particles are all the same size and have no intermolecular interactions (attraction or repulsion) with one another. According to Newton's Laws of Motion, the gas particles travel at random. The collisions between the gas particles are completely elastic, with no energy loss.When compared to the entire volume of the gas, the real volume of the gas molecules is minimal. v. When chilled and squeezed, real gases liquefy at low temperatures. Even at low temperatures, ideal gases cannot be liquified, but they continue to obey Charles' rule and eventually occupy zero volume at 0 K.The phrase ideal gas refers to a hypothetical gas made up of molecules that adhere to a few rules: The molecules of an ideal gas do neither attract or repel one another. The sole interaction between perfect gas molecules would be an elastic collision when they collided or an elastic collision with the container's walls.To learn more about Ideal gas refer,
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in the laboratory, a quantity of i2 was reacted with excess h2 to give 0.310 moles of hi. it is also known that the percent yield of this reaction was 17.0%. how many moles of i2 reacted? (hint: write a balanced equation.)
Chemists require a measurement in order for a reaction to be successful this figure is known as the percent yield.
The theoretical yield: What does it mean?The maximum mass of a product that can be produced in a chemical process is known as the theoretical yield.The balanced chemical equation can be used to calculate it.The relative formula and mass of the product, as well as the mass and relative formula of the limiting reactant.Calculating the percent yield requires using stoichiometry to establish how much of the product should be produced.The percent yield is the actual yield to theoretical yield ratio expressed as a percentage:[tex]Percent Yield = \frac{Actual Yield}{Theoretical Yield}[/tex] × 100%To learn more about Theoretical yield refer to:
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What does double minus mean in maths?.
The double minus i.e. double negative results in positive sign.i.e plus.
To do mathematical operations between integers, we need to remember a basic concept of multiplying of signs,
multiplication of different signs
(-)(-)=+(+)(+)=+(-)(+)=-(+)(-)=-Examples:
-4-(-3)=-4+3=-1,
6+(-5)=6-5=1
Thus, here double minus i.e. double negative results in positive sign.i.e plus.
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when (z)-3-methylhex-3-ene undergoes hydroboration-oxidation, two isomeric products are formed. draw one of the products. draw the molecule on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars. show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas.
An alkene can become an alcohol through a two-step chemical process called hydroboration-oxidation. Borane (BH3) is added during the hydroboration process. Cyclohexanol is produced by the hydroboration-oxidation of cyclohexene.
How does the hydroboration-oxidation technique work?In organic chemistry, the hydroboration-oxidation process is a two-stage hydration reaction that converts an alkene into alcohol. As a result, the hydroboration process transforms alkynes into aldehydes and alkenes into neutral alcohols.
Give an example of the hydroboration-oxidation reaction.The addition of borane followed by oxidation is referred to as the hydroboration-oxidation reaction. For instance, the hydroboration-oxidation reaction of propene results in propan-1-ol. The addition product of this reaction between propene and diborane (BH3)2 is trialkyl borane.
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determine the molarity of a h2so4 aqueous solution that is 12.5% by mass given that its density is 1.113 g/cm3.
The molarity of the sulphuric acid is 1.426 moles/ L.
What is the molarity (M) of a solution?
It is the number of moles of solutes per liter of solution.
The solution is a mixture of solute and solvent.
Molarity can be calculated by using the following formula:
[tex]M= \frac{n}{V}[/tex]
Where,
M= Molarity of the solution
n= Number of moles of solute
V= volume of solution in liters
Calculation:
12.5% of [tex]H_{2} SO_{4}[/tex] means 12.5 g of sulphuric acid are present in the 100g solution.
Hence, the mass of sulphuric acid= 12.5 g
The mass of the given solution= 100 g
The density of the given solution= 1.13 g/[tex]cm^{3}[/tex] = 1.13 g/ml
The volume of the solution can be calculated using the following formula:
Volume = [tex]\frac{Mass}{Density}[/tex]
The volume of 100g of the solution = [tex]\frac{100}{1.113} =89.84 ml[/tex]
The volume (V) of solution in liters= 0.89L
The number of moles (n) of sulphuric acid = [tex]\frac{12.5}{98} = 0.127 moles[/tex]
Hence, the Molarity of the given solution = [tex]\frac{0.127}{0.089} = 1.426 moles/L[/tex]
The molarity of the sulphuric acid is 1.426 moles/ L.
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One-, two-, and three-dimensional free electron gases. Consider the sommerfeld model for the free electron in 1, 2, and 3 dimensions. Assume that the dimensions of the crystal are length l, area a, or volume v, respectively. Take the orbital degeneracy as one (as treated in class), and the spin degeneracy as gs (two in class). Show that for the various dimensions the values of kf, ef, and n(e) are:
A collection of unbound electrons in a metal conductor or a vacuum.
Why is it referred to as a free electron?Since they are not attached to the nucleus and do not exhibit a strong electrostatic force of attraction, they are known as free electrons.
The particles are arranged in a predictable pattern and are close together. The outside electrons of metal atoms are loose, creating a "sea" of delocalized or free negative charge around the densely packed positive ions. Free electrons are the name given to these free electrons. They have unrestricted movement throughout the metallic building.
A flat form or a shape with two dimensions—length and width—is known as a two-dimensional (2D) shape. Shapes that are two dimensional, or 2D, lack thickness.
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Initially a beaker contains 225. 0 ml of a 0. 350 m mgso4 solution. Then 175. 0 ml of water are added to the beaker. Find the concentration of the final solution. What is the final volume? ml what is the new concentration? m.
If one has molecular weight in Daltons than diffusion or osmosis take place by molecules move around.
What is diffusion?
diffusion is a type of cellular transport. Since the diffusion does not require the energy (ATP) to take the place, it is considered as a form of passive transport. There are three types of diffusion: there are -simple diffusion, osmosis and facilitated diffusion. During the time of diffusion, molecules move from an area of high concentration to an area of the low concentration.
Explanation -
The rate of diffusion is the affected by the molecular weights of the molecules that is diffusing. The heaviest the solutes is, the slower the molecules moveing around. Slower the moving molecules diffuse at it slower rate than faster the moving ones. Molecules are that are lighter move in faster and therefore have an increases speed of the diffusion.
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The element nitrogen would be expected to form covalent bond(s) in order to obey the octet rule. Use the octet rule to predict the formula of the compound that would term between nitrogen and fluorine, if the molecule contains only one nitrogen atom and only single bonds are formed. Formula
The formula of the compound that is formed is [tex]NF_{3}[/tex]
What is the octet rule?The octet rule tells us that in order for an atom to be stable, the number of the electrons that must be found on the outermost shell of the atom is eight thus the electron must have an octet of electrons so as to be stable.
In the case of nitrogen an fluorine which are two non metals, this can be achieved by the sharing of electrons between one nitrogen atom and three atoms of fluorine to form the nitrogen fluoride molecule.
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How do you calculate the relative atomic mass of bromine?.
The relative mass of the bromine is calculated by Average weighted mass of bromine relative to the mass of the bromine.
You can measure the mass of one isotope of the element (isotopic mass) or you can take a sample of the element that has multiple isotopes in it and calculate the mean average atomic mass of the sample (average atomic mass) . Relative atomic mass of an element is given in the periodic table. It is also called relative atomic weight. The relative atomic mass of an element is the weighted average of the masses of the isotopes in the naturally occurring element relative to the mass of an atom. We can estimate the the relative atomic mass or the atomic weight of an element E with the naturally occurring isotopes and with the respective abundances of A%, B%, C% and like that.
relative atomic mass =( A /100× a)+ ( B / 100× b) + ( C/100 × c)
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Is a pictogram required on a chemical label?.
According to the Hazard Communication standard, all hazardous chemicals must be labeled with specified elements including pictograms to alert the users of the chemical hazards.
What is a pictogram?A pictogram can be described as a is a graphic symbol that conveys its meaning through its pictorial resemblance to a physical object. Pictographs are commonly used in writing and graphic systems in which the characters are in extent pictorial in appearance. A pictogram can be used in subjects such as tourism, leisure, and geography.
Pictography can be a form of writing which uses representational, pictorial drawings to cuneiform and hieroglyphic writing, which uses drawings as phonetic letters. Some pictograms, such as Hazards pictograms can play as an element of formal languages.
Sets of pictographs are the laundry symbols utilized on clothing tags and the chemical hazard symbols which are standardized by the GHS system.
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Homonuclear dianions contain 2 atoms of the same element and an overall charge of -2. some dianions are stable enough to exist in compounds, while others are unstable and have only been detected in the gas phase. The bond order of the molecular ion NZ is Х For comparison, the bond order of the molecule N is
B2 has a bond order of 1.
Bond order is the number of electron bonding pairs that exist between two atoms. An unmarried bond has a bond order of one in a covalent bond between atoms, a double bond has a bond order of two, a triple bond has a bond order of three, and so on.
Calculation:-
for b2 = 1s2 1s*2 2s2 1s*2 2Px1 = 2Py1
(Nb - Na)/2 bond order
= 6 - 4 /2
= 1.
Bond order, as described by Linus Pauling, is defined by the difference in the number of bonds and anti-bonds. The number of electron pairs between two atoms determines the bond order. In diatomic nitrogen NN, for example, the bond order between the two nitrogen atoms is three.
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how many molecules of each of the cofactors are produced when these two acetyl-scoa molecules pass through the citric acid cycle?
Cofactors are produced when these two acetyl-scoa molecules pass through the citric acid cycle is ,the passage of two acetyl-CoA through the citric cycle creates 2 ATP, 6 NADH, and 2 FADH2
What is Molecules?
The smallest unit of a substance that retains its composition and properties is a molecule. It is constructed of two or more atoms connected by chemical bonds.
Atoms are the fundamental unit of an element. They consist of a nucleus that is encircled by electrons. If an atom's electron shell is not quite complete, it is said to have valence electrons. When two or more atoms collaborate to share their valence electrons from the outer shell, a chemical (covalent) relationship is established and a lower energy state is reached. Atomic bonding causes the release of energy in an exothermic reaction.
When only two atoms join, they form diatomic molecules. Carbon monoxide (CO), which consists of a single carbon atom and a single oxygen atom, is an illustration of a diatomic molecule. It is known as a homonuclear diatomic molecule if the two atoms are from the same element, such as oxygen (O2) and nitrogen (N2). More than two atoms make up polyatomic molecules like water (H2O) and carbon dioxide (CO2). Polymers are larger molecules that can contain thousands of atoms.
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assign each signal to a set of protons (i, ii, iii, or iv) how many protons should each signal integrate for? enter your answer as a number.
It tells us the number of protons in that signal.
A proton is a solid subatomic particle, image p, H⁺, or ¹H⁺ with a nice electric rate of +1 e simple price. Its mass is barely much less than that of a neutron and 1,836 times the mass of an electron.
Electrons are a kind of subatomic particle with a bad fee. Protons are a sort of subatomic particle with an effective rate. Protons are sure collectively in an atom's nucleus because of the strong nuclear force. Neutrons are a type of subatomic particle without a charge they are impartial.
Protons are definitely charged debris in the nucleus of an atom. every detail in nature or made in a lab has as a minimum one proton. The mass of a proton is the same as a neutron however 1840x more than the mass of the electron. Electrons are negatively charged particles that orbit across the outdoors of the nucleus.
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the atomic masses of 35cl (75.53%) and 37cl (24.47%) are 34.968 amu and 36.956 amu, respectively. calculate the average atomic mass of chlorine. the percentages in parentheses denote the relative abundances.
Chlorine has an average atomic mass of 35.4566amu. There are 34.968 amu and 36.956 amu, respectively, with the atomic masses of 35cl (75.53%) and 37cl (24.47%).
The weighted average of an element's naturally occurring isotopes' atomic masses is the element's average atomic mass. AM = (p1m1 + p2m2 +... + pnmn) / 100%, where AM is the average atomic mass, is the weight utilised in this calculation for the percentage abundance of a specific isotope in nature.
Chemical element chlorine has the symbol Cl and atomic number 17. It is the second-lightest halogen, and although it is between fluorine and bromine on the periodic table, most of its properties fall somewhere in the middle. At room temperature, chlorine is a yellow-green gas.
34.968*0.7553 = 26.411\s2. 36.965*0.2447 = 9.0453
Chlorine has an average atomic mass of (26.11+ 9.0453) = 35.4566amu
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which species are more likely to act as ligands? select all that apply. which species are more likely to act as ligands?select all that apply. neutral molecules that are polar positively charged ions neutral molecules that are nonpolar negatively charged ions
The species that could be able to act as ligands are the following;
Neutral molecules that are polarNegatively charged ionsWhat are ligands?The term ligands has to do with a substance that can be able to attract a metal ion or a metal atom. It is therefore common to see that a ligand would have a lone pair of electrons or a negative charge that can be used to attract the metal atom or the metal ion.
We can see so many example of the ligands that can be found in the biological systems as well as the ligands that can be able to combine with metal ions in the area of coordination chemistry as we know.
We can now see that the ligands are neutral molecules or sometimes negatively charged ions.
The negative charge as have been said before are used in the process of binding.
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What is the most effective chemical sanitizer?.
Due of its excellent effectiveness and low cost, chlorine is the most popular chemical sanitizing agent. Liquid chlorine is one example of a typical chlorine compound.
What distinguishes disinfection from sanitizer?Chemicals used in sanitizing eliminate microorganisms from surfaces. The purpose is not to eradicate viruses. The EPA does register sanitizing products. Through the use of chemicals, surfaces are disinfected of viruses and germs.
Which sanitizer—spray or gel—is preferable?According to studies on the effectiveness of soap and anti-bacterial hand rubs, gels are more effective at removing bacteria from hands than sprays. Gel hand sanitizers reduced transitory hand germs by 80% whereas spray sanitizers lowered bacteria by 71%, according to a study by Truitt and Goldwater.
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What is the empirical formula of b10h14?.
A molecular formula is a mathematical representation of the precise number of atoms in a compound. Glucose has a molecular formula of C6H12O6, whereas the empirical formula is CH2O.
Describe empirical formula using an example?The simplest whole number ratio of atoms present in a compound is its empirical formula in chemistry. The empirical formula of sulphur monoxide, abbreviated SO, and disulfur dioxide, abbreviated S2O2, are two straightforward examples of this idea.
About 46.0 g/mol is the molar mass of the empirical formula for NO2. Molar mass of the chemical compound is 138 g/mol. The empirical formula must therefore be multiplied by 3 to obtain the molecular formula for N3O6.
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study the map. how might the earth's features change over time as the seismic activity along the san andreas fault continues
If the seismic activities of san Andrea's fault continues great earth quakes will occur in earth. The drift rate of earth crest will be unpredictable there.
What is San Andrea's fault ?The crust of the Earth is divided into a number of "plates" that have been gently migrating over its surface for millions of years. In western California, two of these tectonic plates collide, and the San Andreas fault separates them.
Along the fault, earthquakes occur as the Pacific Plate, which is on the west, shifts northwestward in relation to the North American Plate, which is on the east. The San Andreas is the "master" fault in a complex network of faults that rips through the rocks along the California coast.
Over the course of a hundred or more years, the portions that cause large earthquakes are locked and silent. When the strain is released, it creates massive earthquakes.
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Which weather condition is the team most likely studying?
The scientists are most likely studying precipitation (Option D).
What is precipitation?In meteorology, precipitation is any result of atmospheric water vapor condensation that falls under the gravitational attraction of clouds. Drizzle, rain, sleet, snow, ice pellets, graupel, and hail are the most common types of precipitation.
Rain gauges and snow gauges are two forms of precipitation measuring instruments, and several versions are created depending on the use. This chapter discusses rain gauges. Rain gauges are divided into two types: recording and non-recording.
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match the term to the correct definition. aequivalence point bsolubility equilibria cmolar solubility. dend point. ecommon ion effect fbuffer solution gsolubility product (ksp) hacid-base indicator iacid-base titration.is a type of dynamic equilibrium that exists when a chemical compound in the solid state is in chemical equilibrium with a solution of that compound. is responsible for the reduction in the solubility of an ionic precipitate when a soluble compound containing one of the ions of the precipitate is added to the solution in equilibrium with the precipitate.
(a)Equivalence point: point in titration at which the amount of titrant added is just enough to completely neutralize the analyte solution.
(b)Solubility equilibria: a type of dynamic equilibrium that exists when a chemical compound in the solid state is in chemical equilibrium with a solution of that compound.
(c)Molar solubility: the number of moles of a compound that dissolve to give one litre of saturated solution is called its molar solubility.
(d)End point: the point during a titration when an indicator shows that the amount of reactant necessary for a complete reaction has been added to a solution.
(e)Common ion effect: is responsible for the reduction in the solubility of an ionic precipitate when a soluble compound containing one of the ions of the precipitate is added to the solution in equilibrium with the precipitate.
(f)Buffer solution: buffer is a solution that can resist pH change upon the addition of an acid or a base.
(g)Solubility product: the solubility product of an ionic compound is defined as the product of the concentration of the ions that exist in equilibrium with the solid compound in a saturated solution.
(h)Acid-base indicators: also known as pH indicators are substances that change colour with pH.
(i)Acid-base titration: Acid-base titrations are usually used to find the amount of a known acidic or basic substance through acid-base reactions.
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Is alcohol free a trend?.
People drink them carefully. And that has completely changed now. The non-alcoholic trend started a year or two before the pandemic. Non-alcoholic bars have sprung up in some cities for the so-called sober curious and continue to grow at a rapid pace.
This category is growing not because the consumer suddenly decides to quit alcohol, but because the consumer who drinks alcohol wants his NA option which tastes great like Heineken 0.0 in his life. It's because he's found it fits the style he said Manso Salinas. The term alcohol-free can only be used in the United States if the product does not contain detectable alcohol.
Can lead to traffic accidents violence alcoholism and other health problems. Drinking at a young age greatly increases the risk of developing alcohol problems later in life. Talking openly to children about the dangers of alcohol use early on can help prevent them from developing drinking problems.
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which nonrenewable resource cannot be recycled? responses copper copper aluminum aluminum oil oil iron
Oil is a nonrenewable resource that cannot be recycled.
In the field of physics, oil can be described as a source of energy that comes from fossil fuels. All of the energy resources that come from fossil fuels are non-renewable as they are made from the dead remains of plants and animals that died a long time ago.
Among the options provided above, all are metals except oil. Metals can be recycled by burning them and shaping them into something useful.
However, fossil fuel resources cannot be recycled as the ones used are all consumed and burned up into the atmosphere.
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