On a global scale, the one that most directly led to the expansion of the trade between Europe and Asia is the shifting balance of trade as a result of the American silver circulation.
Silver was the most sought-after good. Its trade was the first global trade network and remained to dominate the network for thousands of years.
The discovery of large amounts of American silver became very important as the new global currency. It enabled massive economic growth in Europe, allowing them to buy Asian imports. In Asia, silver currency replaced paper currency, further enveloping Asia in the world economy.
Learn more about silver currency at https://brainly.com/question/23335844
#SPJ4
Which symbol represents a particle that has a mass approximately equal to the mass of a neutron.
Symbol that represents a particle that has a mass approximately equal to the mass of a neutron is ρ
a. α particle:
Alpha particles are made up of helium nuclei, so they contain two protons and two neutrons. Its mass is therefore much larger than that of a neutron.
B) β+
This particle is a positron emitted in beta plus decay. A positron is the same as an electron except that it has a positive charge instead of a negative charge. As such, it has the same mass as an electron, about 1800 times less than the mass of protons and neutrons.
C) β-
This particle is a fast-moving electron emitted in a beta-negative decay. The mass of an electron is , which is much smaller than the mass of protons and neutrons.
D) ρ
This symbol represents a proton. A proton has a mass of and is positively charged. Neutron masses are very similar to proton masses (only slightly larger).
Therefore, Symbol that represents a particle that has a mass approximately equal to the mass of a neutron is ρ the correct answer is D) ρ
your question is incomplete, but most probably the full question is
Which symbol represents a particle that has a
mass approximately equal to the mass of a
neutron?
A) α
B) β+
C) β-
D) ρ
learn more about particle symbol at https://brainly.com/question/14433628
#SPJ4
Melanocytes use many enzymes to produce melanin. Based on their function, you would expect melanocytes in the skin to have a higher than usual number of.
Given their purpose, melanomas in the skin should have a greater proportion of ribosomes than is typical.
How does melanin get damaged?
Melanin levels in the skin can only be briefly reduced. Additionally, reducing sun exposure and using sunscreen will help reduce melanin & improve skin tone. However, since melanin is regulated by genetic factors, there isn't any permanent way to lower it.
What causes the melanocyte population to grow?
Exposure to UV radiation increases the pituitary's release of the hormone melanocyte-stimulating hormone. Myocyte peptide release is not believed to be regulated by a strong feedback mechanism, in contrast to other hormones.
To know more about melanocytes visit:
https://brainly.com/question/9137370
#SPJ4
Is concentration and mole same?.
Molarity is a unit of concentration that specifically refers to the number of moles of solute per liter of solution.
Molarity is the most effective way of expressing the concentration of a solute in a solution. Molarity is expressed as the total number of moles of solute per liter of solution. Molarity is defined as the number of moles of solute per liter of solution. Molarity is also called the molarity of a solution.
Another way to express concentration is the number of moles of solute per unit volume of solution. Among all quantitative measures of concentration, molarity is the most commonly used by chemists. Molarity is defined as the number of moles of solute per liter of solution. The number of solutes is the same. However, the volume of the solution is greater than the weight of the solvent.
Learn more about Concentration here:-https://brainly.com/question/17206790
#SPJ4
what effect did the electrolytes have on the electrical conductivity through the water? use your observations to explain your answer.
The electrolytes will have higher conductivity when the electrolytes dissolves through the water
When an electrolyte dissolves in water, an electric current will flow through the solution. Electrolytes conduct electricity by dissociating the electrolyte solution into ions.
Other elements or compounds in water that provide free ions, such as sodium chloride. Pure water can conduct electricity depending on pressure and volume (also known as voltage and current), but it is a relatively weak conductor.
Most water contains trace elements that contribute to ions and allow electrical conductivity. The more ions, the higher the conductivity. In the broadest sense, an element or compound that dissolves in water and can add ions to the solution causes a higher electrical conductivity.
For more information on electrolytes, visit https://brainly.com/question/7900966
#SPJ4
How did the uncertainty principle influence thinking about the arrangement of electrons in atoms.
The Heisenberg uncertainty principle states that we can't recognize each the power and role of an electron. Consequently, as we examine greater approximately the electron's position, we recognize much less about its energy, and vice versa.
Formulated through the German physicist and Nobel laureate Werner Heisenberg in 1927, the uncertainty principle states that we can not know both the location and pace of a particle, inclusive of a photon or electron, with ideal accuracy, the greater we nail down the particle's function, the less we know approximately its speed and vice.
The Heisenberg uncertainty principle states that it's miles impossible to concurrently determine each the location and the velocity of a particle. The detection of an electron, as an example, would be made by way of its interplay with photons of light.
Heisenberg's Uncertainty principle states that there is inherent uncertainty inside the act of measuring a variable of a particle. Commonly carried out to the position and momentum of a particle, the principle states that the more exactly the position is known the more unsure the momentum is and vice versa.
Learn more about Heisenberg uncertainty principle here:- https://brainly.com/question/16941142
#SPJ4
how would you prepare 1-phenyl-2-butanone, c6h5ch2coch2ch3, from benzylbromide, c6h5ch2br? more than one step is required.
The first step is to convert benzyl bromide to benzyl nitrile by adding sodium cyanide.
The second step is to convert benzyl nitrile to 1-phenyl-2-butanone via Grignard Reagent.
Sodium cyanide is a poisonous compound with the formula NaCN. It is a white, water-soluble solid. Cyanide has a high affinity for metals, which leads to the high toxicity of this salt. Its main application, in gold mining, also exploits its high reactivity toward metals. It is a moderately strong base.
A Grignard reagent is an organomagnesium compound which can be described by the chemical formula 'R-Mg-X' where R refers to an alkyl or aryl group and X refers to a halogen. They are generally produced by reacting an aryl halide or an alkyl halide with magnesium.
To know more about Grignard reason click here:
https://brainly.com/question/15876201
#SPJ4
which reagents/reaction conditions will successfully hydrolyze a cyano group (cn) to a carboxylic acid group (cooh)? select all that apply.
A cyano group (cn) will successfully hydrolyze to a carboxylic acid group when H3O+, heat -OH, and H2O are present (cooh). Numerous reactions can occur to nitriles, including hydrolysis to carboxylic acids.
Why is KCN chosen over HCN?Instead of HCN, KCN (potassium cyanide) is frequently employed as the reagent to give the nucleophile (hydrogen cyanide). This is because HCN interacts to produce hazardous byproducts and is difficult to store as a gas.
What kind of product results from the reaction of an organolithium or Grignard reagent with an aldehyde or ketone?Aldehydes or ketones' carbonyl group, C=O, reacts with organolithium or Grignard reagents to produce alcohols. The type of alcohol produced depends on the carbonyl's substitutes. Primary alcohols are produced when methanal (formaldehyde) is added.
To know more about cyano group visit:-
https://brainly.com/question/17180583
#SPJ4
6. (18 pts) t-buok, heat the following reactions lead to different elimination products and at different reaction rate. reaction a) is slower than reaction b) and the product is a disubstituted alkene. provide an explanation for these observations.
t-buok, heat the reactions lead to different elimination products and at different reaction rate reaction will be slower.
In transformation reactions, tBuOK must have become widely used in recent years. For instance, using a single-electron reduction pathway, tBuOK may facilitate coupling reactions between haloarenes and arenes, and styrene's to form biphenyls as well as stilbenes.
A powerful hindered base, including tert-butoxide, could be utilised to steer the reactions towards elimination. Tert-butoxide is a bulky compound that makes it challenging for oxygen to access carbon
To know more about reaction
https://brainly.com/question/28984750
#SPJ4
which nuclear decay process decreases the neutron/proton ratio?a.alpha emissionb.beta emissionc.electron captured.positron emission
Are beta emission with a lower neutron/proton ratio was caused by nuclear decay.
What is electron example?The electron, as smallest constituent part of an atom, has to have a negative charge. Proton and electrons are both present in an equal proportion in a neutral atom. Each hydrogen atom only contains one proton or electron. On the other hand, an atom of uranium has 92 protons, which translates to 92 electrons.
What is in a electron?An negative charges subatomic particle known as an electron can either be free or attached to an atom (not bound). One of the three principal types of atoms within an atom is an electron that is bonded to it; other 2 were protons and neutrons.
To know more about electron visit:
brainly.com/question/17215285
#SPJ4
You used Excel to plot the relationship of enthalpy of combustion and the number of carbons in the alcohols tested. Select ALL the statements that are applicable to the plot you should have obtained.
Remember: partial credit will not be given for partial answers.
The alcohol with the fewest amount of carbon atoms would result with the lowest enthalpy value.
The X axis represents the change in temperature.
The fitting equation should be linear.
A low R-square value indicates the data fit well to the equation.
The fitting equation should be exponential.
The statements that are applicable to the plot regarding the enthalpy will be:
The alcohol with the fewest amount of carbon atoms would result with the lowest enthalpy value.The fitting equation should be linear.What is enthalpy?A thermodynamic system's enthalpy is the sum of its internal energy and the product of its pressure and volume. The alcohol with the fewest carbon atoms would have the lowest enthalpy value. The temperature change is represented by the X axis. The equation for fitting should be linear. A low R-square value indicates that the data fits the equation well.
It is a state function used in many measurements in chemical, biological, and physical systems at constant pressure, which the large ambient atmosphere conveniently provides.
In this case, it should be noted that the r value will be near to 1 and the equation is linear.
Learn more about enthalpy on:
https://brainly.com/question/14047927
#SPJ1
if the pka1 of a diprotic acid is 2.90, what is the ph of a.10 m solution of this acid that has been one quarter neutralized?
A diprotic acid has a pka1 of 2.90 and a ph of 2.42 when it is dissolved in water at a concentration of 10.10 m.
2.90+log(0.025/0.075)
2.90+ (-0.48)=2.42 pH
Any acid with two hydrogen atoms in it that can be ionized or released in water, such as carbonic acid and sulfuric acid. With a known concentration of NaOH solution, a diprotic acid is titrated. Molar mass, also known as molecular weight, is measured in grams per mole of diprotic acid. You can determine the acid's mass in grams by weighing the original sample. By measuring how much NaOH titrant is required to reach the first equivalence point, moles can be identified. Dibasic or diprotic acid is an acid that has two available protons for donation. Dibasic salt is a salt that has two cations in place of two hydrogen atoms in the parent acid. a dicarboxylic acid ester known as a dibasic ester.
Learn more about diprotic acid here:
https://brainly.com/question/9434046
#SPJ4
What would be the expected coupling (splitting) pattern for the
CH2
in the following molecule? tinglet (1) derablet (d) triplet (t) quartet (q) What would the expected coupling (splitting) pattem for the indicatedCH2
. In the tollowing molecule? dirubiet (d) tipletit) quirtust (in)
The splitting patter for doublet would be 3.96 ppm, corresponding to the two Ha protons, is split into two subpeaks of equal height and area, and the splitting pattern for triplet would be 5.76 ppm.
The 1H-NMR spectra that we have seen so far (of methyl acetate and para-xylene) are somewhat unusual in the sense that in both of these molecules, each set of protons generates a single NMR signal. In fact, the 1H-NMR spectra of most organic molecules contain proton signals that are 'split' into two or more sub-peaks. Rather than being a complication, however, this splitting behavior actually provides us with more information about our sample molecule.
The source of signal splitting is a phenomenon called spin-spin coupling, a term that describes the magnetic interactions between neighboring, non-equivalent NMR-active nuclei. The magnetic environment experienced by Hb is influenced by the fields of both neighboring Ha protons, which we will call Ha1 and Ha2.
Learn more about protons at,
https://brainly.com/question/14790671
#SPJ4
Cis stilbene has a melting point of 5-6oC whereas trans stilbene has a melting point of 123oC. Explain this difference in melting points of the two isomers.
Because bulky groups are located on the other side of the double bond in trans isomers as opposed to cis isomers, the melting point of trans isomers is often higher. Because of its symmetry, the molecule fits neatly into the crystal lattice.
What is Melting point ?The temperature at which a substance transforms from a solid to a liquid is known as its melting point. The solid and liquid phases are in equilibrium at the melting point. Pressure affects a substance's melting point, which is typically reported at a standard pressure such 1 atmosphere or 100 kPa.
A high accuracy Differential Scanning Calorimeter (DSC) instrument calibrated to the ITS 90 International Temperature Scale is used to calculate melting points. These standards have melting temperatures that range from benzophenone (47–49 °C) to anthraquinone (283-286 °C).
Cis isomers are molecules that have the same degree of atomic connection. On the same side of a double bond, they have same side groups. Molecules in trans isomers are positioned on the opposing sides of a double bond and share the same side groups. Nearly all cis isomers are polar.
To know more about Melting point please click here ; https://brainly.com/question/40140
#SPJ4
How do valence electrons impact the type of bonds an atom makes?(1 point) responses.
A valence electron is an electron that is part of an atom's outer shell and can take part in the synthesis of a chemical bond .
How do valence electrons impact the type of bonds an atom?What and how many other atoms an atom can bind with depends on how many valence electrons it has. For instance, because of the octet rule, carbon desires to add four additional electrons to its orbital even though it already has four valence electrons. As a result, carbon may form four single hydrogen bonds as CH4.A valence electron is an electron that is part of an atom's outer shell and can take part in the synthesis of a chemical bond if the outer shell is open. Each atom in the bond contributes one valence electron to create a shared pair in a single covalent bond.To learn more about valence electrons refer,
https://brainly.com/question/371590
#SPJ4
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.
Learn more about protons here:-https://brainly.com/question/29636700
#SPJ4
How many grams are in 1.25 moles of Sodium Chloride / NaCl?
Answer:
Moles to grams: 73.05346250000001
Complete the mechanism for the Hofmann elimination reaction by adding the missing curved arrow notation. Be sure to add any missing lone pairs and nonzero formal charges. Then in part two sort the common elementary steps in the order in which they are used in this mechanism. 1st attempt Part 1 (2 points) 늬See Periodic Table 0 See Hint 0 Add lone pairs and curved arrows to complete the mechanistic step.
The Hofmann elimination would be the process by which an amine is eliminated to produce alkenes. The Hofmann product, the least stable alkyl group, is created.
By treating quaternary ammonium using excessive amounts of methyl iodide, then treating the resultant chemical with silver oxide, water, as well as heat, Hofmann's elimination produces tertiary amines including alkenes. Imidazolium iodide solution is the end result of treating quaternary ammonium with too much methyl iodide. After the hydroxyl anion replaces the iodine, the alkene can be created by an elimination reaction.
As was previously said, Hofmann elimination refers to the method of converting quaternary ammonium into tertiary amines as well as alkenes.
Additionally known as extensive methylation, this procedure. According to the Hofmann rule, when it comes to asymmetrical amines, the primary alkene product would be the lowest substituted as well as the least stable product. The German chemist August Gottfried Wilhelm Hofmann, who made the discovery, gave the Hofmann elimination procedure its name. The Hofmann elimination is exemplified in the next example.
To know more about Hofmann elimination reaction
https://brainly.com/question/27749911
#SPJ4
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.
Learn more about the End point in titration here:
https://brainly.com/question/15170788
#SPJ4
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.
To know more about Molecule visit:
https://brainly.com/question/1446104
#SPJ4
In the laboratory, the temperature is 295 k and the total pressure in the gas-collecting tube is 748. 6 mmhg. If the vapor pressure of water at 295 k is 19. 8 mmhg, determine the pressure of the h2(g) in the gas-collecting tube.
According to the Dalton Law in a blend of non-reacting gases, the entire pressure will be equivalent to the total of partial pressures of the individual gases.
The pressure of H₂ gas collected in the tube will be 728.8mm Hg.
This can be calculated by:
Dalton's formula:
Ptotoal = PH2O + PH2
Given :
Ptotal = total pressure of gases = 748. 6mm Hg
PH2O = partial pressure of water = 19.8 mm Hg
PH2 = partial pressure of hydrogen = ?
Now using the formula we will calculate:
748. 6mm Hg = 19.8 mm Hg + PH2
728.8mm Hg = PH2
Therefore, the pressure of the hydrogen in the tube is 728.8mm Hg.
Hence 728.8mm Hg is a correct answer.
To know more about Dalton Law follow link
https://brainly.com/question/14119417
#SPJ4
The atmopheric preure at 2000m altitude i
560. MmHg. What i the atmopheric preure in atm?
This issue requests for the atmospheric pressure in units of atmospheres, which is 560 mmHg at 2000 meters above sea level is 0.737 atm.
Is the air's pressure exactly one atmosphere?The Earth's mean sea-level atmospheric pressure is roughly equivalent to one atm, or one atmosphere, and is measured in the atm unit. In most cases, the hydrostatic pressure brought on by the weight of the air above the measuring location is a near approximation to atmospheric pressure.
How much pressure is there 2000 meters below sea level?Over 1,270kg (2,800lbs) of force is applied to every square inch of an ROV's surface when it descends to a depth of 2,000 meters.
In order to get the correct conversion, we use the following equivalence statement relating mercury millimeters and atmospheres:
calculation:-760 mmHg = 1 atm
Hence, the required conversion turns out to be:
560 mmHg*(1atm/700)=0.737 atm.
To know more about atmospheric pressure visit:-
https://brainly.com/question/28310375
#SPJ4
what is the buffer range (for an effective 2.0 ph unit) for benzoic acid/sodium benzoate buffer? [ka for benzoic acid is 6.3 x 10-5].
A benzoic acid/sodium benzoate buffers has a range of 8.8 to 10.8 (for an effective 2.0 ph unit) [ka for benzoic acid is 6.3 x 10-5].
What is a benzoic acid used for?Because it has its best antibacterial action at a pH range of 2.5 to 4.0, benzoic acid (BA) is just a frequently employed antibacterial preservation in foods and beverages, particularly carbonated ones. The bacterial growth and yeasts, a key contributor to food deterioration, are inhibited by BA.
Is benzoic acid a poison?In typical conditions, benzoic acid is stable and non-toxic. Benzoic acid may still constitute a health risk despite the lack of occupational exposure limits, hence safe work procedures should always be followed: After, properly wash your hands.
To know more about benzoic acid visit:
brainly.com/question/9432009
#SPJ4
A subunit of an organic compound that confers particular chemical and physical properties is termed.
A subunit of an organic compound that confers particular chemical and physical properties is a functional group.
An organic compound is a member of a class of chemicals containing carbon atoms sure to each other and different atoms by means of covalent bonds and located inside the cells of dwelling organisms. Hydrogen, oxygen, and nitrogen are ordinary elements that, in addition to carbon, make up natural compounds. Organic compounds are essential compounds that comprise carbon and hydrogen.
They may be critical to financial increase and are foundational to the fields of biochemistry, biotechnology, and medicine. Examples of where you could discover natural compounds consist of agrichemicals, coatings, cosmetics, detergent, dyestuff, meals, fuel, petrochemicals, pharmaceuticals, plastics, and rubber.
Learn more about Organic compounds here:-https://brainly.com/question/1594044
#SPJ4
Write a brief paragraph that distinguishes between a reaction that goes to completion and one that reaches equilibrium. Your paragraph should include all the following terms, used appropriately – reversible, limiting reagent, excess reagent, can occur in an open system, can occur in a closed system, and rates of reaction.
If a reaction reaches to completion it means entire amount of reactants has been converted into products. On the other hand, if a reaction reaches equilibrium no net change in amounts of reactants & products occur.
What is equilibrium?
An equilibrium represents a state in process when observable properties such as colour, temperature, pressure, concentration etc do not show any change.
It is a reversible means which can takes place in both directions i.e forward & backward & the rate of reaction depends upon parameters like temperature & pressure etc. For example, if reaction is endothermic increasing temperature favours more products whlie decrease in temperature favours production of reactants.Equilibrium can occur only in closed system because in open system equilibrium cannot be established while completion reaction can takes place in both type of systems.In a completion reaction, limiting reagent is reagent which stops the reaction because it has fewer number of moles. While excess reagent is reagent which has higher number of moles & remains in some amount after the reaction gets completed.Learn more about Equilibrium at Brainly.com https://brainly.com/question/18849238
#SPJ4
what is 3.4 x 10^24 molecules of NaHCO3?
From the calculation, the molecule would contain 5.6 molecules.
What is the number of moles?We know that According to Avogadro, we can be able to find the number of moles that are found in a molecules given that one mole of every molecule that we have would have a number of atoms that have been set at 6.02 * 10^23 molecules.
Now we know from the law of Avogadro that;
1 mole of the compound is going to have or contain 6.02 * 10^23 molecules.
Then we should also know that if we have 3.4 x 10^24 molecules of the compound we have; 3.4 x 10^24 molecules/6.02 * 10^23 molecules * 1 moles = 5.6 moles
Learn more about Avogadro:https://brainly.com/question/11907018
#SPJ1
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.
To know more about hydroboration-oxidation visit:-
https://brainly.com/question/29238473
#SPJ4
How long is canned chicken salad good for in the refrigerator?.
what volume of a 0.146 m nitric acid solution is required to neutralize 29.1 ml of a 0.157 m barium hydroxide solution?
A chemical equation must always be in balance because, according to the law of conservation of mass, mass cannot be generated or destroyed.
How to calculate the balance equation?Writing a balanced equation for the reaction is the first step. Below is an example to help:
Ca(NO3)2 + 2H2O > 2HNO3 + Ca(OH)2
By using the equation:
nA = 2 (mole of acid).
nB = 1 (mole of base)
Information gleaned from the query includes:
Ma (Acid Molarity) =?
Va (acid volume) = 20.7 mL
Mb = 0.106 Mb (Molarity of Base)
Vb = 13.1 mL (volume of base).
We can determine the acid's molarity by using the formula MaVa/MbVb = nA/nB as follows:
nA/nB = MaVa/MbVb
Ma x 20.7/ 0.106 x 13.1 = 2/1
As demonstrated below, cross multiply to express in linear form:
Ma x 20.7 = 0.106 x 13.1 x 2
Add 20.7 to both sides.
Ma = (0.106 x 13.1 x 2) / 20.7
Ma = 0.134M
As a result, the acid's molarity is 0.134M.
To learn more About chemical equation refer to:
https://brainly.com/question/26694427
#SPJ4
What is a neutral atom example?.
Around the nucleus are electrons. We refer to an atom as neutral when its protons and electrons are in equal numbers. As a result, atoms are neutral in their natural states.
Six protons comprise carbon. When an atom has an equal amount of protons and electrons, it also has an equal number of positive and negative electric charges, which are represented by the electrons (the protons). Because of this, an atom is said to be neutral because its overall electric charge is zero. Because of this, every element in the periodic table has a neutral atom.
Both nucleons—protons and neutrons—can be joined by the nuclear force to create atomic nuclei. The proton alone makes up the nucleus of the most prevalent hydrogen isotope.
Learn more about electrons here
https://brainly.com/question/13993867
#SPJ4
Do metals become more reactive as you move from left to right on the periodic table?.
The periodic table does not show that metals become more reactive as you move from left to right. However, the reactivity drops off from the periodic table's left to right.
Additionally, the periodic table is read left to right. Because an element must have high energies to remove the additional electrons from their valence shells, elements have lesser chemical reactivity. A tabular representation of the chemical elements is known as the periodic table, or periodic table of the (chemical) elements and reactivity drops off from the periodic table's left to right. It is commonly regarded as an icon of chemistry and is utilized extensively in physics, chemistry, and other sciences. A periodic table is a list of chemical elements ordered in order of atomic number, typically in rows.
Learn more about periodic table here
https://brainly.com/question/11155928
#SPJ4
