Te2 (Te2 ion) is formed when tellurium gains two electrons. As a result, Te2 condensed electron configuration is [Kr]. 4d105s25p6
The noble gas arrangement for TE. [Kr] 4d10 5s2 5p4
The electron configuration of a noble gas is identical to that of a tellurium ion. Xenon
The atomic number of the alkali metal sodium is 11. Therefore, the electrical arrangement will be 1s22s22p63s1.
The sodium ion Na+ is a positive ion. This indicates that it has lost one electron because of the configuration. 11Na+:1s22s22p6.
Thus, the Na+ ion contains 10 electrons, matching the number of electrons that the noble gas neon (Ne) has. As a result, neon (Ne) and the Na+ ion have the identical electron configuration.
What is electronic configuration?
The arrangement of electrons in atomic or molecular orbitals within an atom, molecule, or other physical structure is known as the electron configuration. For instance, the neon atom's electron configuration is 1s2 2s2 2p6, which means that 1, 2 and 6 electrons, respectively, are present in each of the 1s, 2s, and 2p subshells.
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compare the conjugate bases of these three acids. acid 1: sulfurous acid , h2so3 acid 2: phosphoric acid , h3po4 acid 3: hydrogen sulfide , hs- what is the formula for the strongest conjugate base ?
The formula for the strongest conjugate base is HCO₃⁻ (hydrogen carbonate).
The chemical formula for the most efficient conjugate base is HCO₃⁻, which refers to the compound hydrogen carbonate. When we analyze the relative acidic strength of Hf, H₂CO₃, and hydrogen sulfide (H₂S), we find that F⁻ has the lowest relative acidic strength. Since we already know that strong acids have the weakest conjugate bases, this leads us to the conclusion that F⁻ is the weakest conjugation base.
As a result, HCO₃⁻ possesses an effective conjugate base. Hydrogen carbonate is an intermediate form that results from the deprotonation of H₂CO₃. It is also known as bicarbonate, and it is amphoteric in its natural state. Bicarbonate plays an essential metabolic role in the system that maintains the physiological pH buffering balance.
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why does water mix quickly in some cases
It depends on which way the heat is moving. It takes longer for heat to go downwards forward towards a material below the hotter factor because heat moves upwards.
What actually is heat?The movement of minuscule atoms, molecules, or ion in solids, liquids, and gases produces heat energy. From one thing to another, heat energy could be exchanged. Heat is the flow or transfer that occurs as a result of the temperature differential between two objects.
What is heat explain with example?Amount of heat energy that moves from a hotter to a cooler thing, and temperature is simply how cold or hot an object is. When warmth of a coffee,
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A. Is SiBr4 polar or nonpolar? Briefly defend your answer. B. Draw the Lewis structure and the molecular shape of SO2F-. Name the molecular shape and list the bond angle. (This is a case where you may wish to upload your drawings after submitting the exam. Be sure to list the name of the shape and the bond angle here
The SiBr4 is non polar as the bond it shares it's covalent bond and silicon is more electronegative.
Silicon tetrabromide is a covalent compound with a valuable silicon atom. Silicon itself carries four valence electrons as a primary institution 4A (institution 14) element. It will percentage all of those valence electrons via four single covalent bonds to the four peripheral bromine atoms.
Based on VSEPR theory, a valuable atom with four covalently-related peripheral atoms and 0 non-bonding pairs, outcomes in a tetrahedral molecular geometry. Each Si-Br covalent bond is non polar due to the fact bromine is greater electronegative than silicon. However, the molecule itself isn't always polar, because of the geometry present.
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will hcl (g) or nacl (s) be more soluble in the solvent ch3och3? why? multiple select question. nacl (s) will be more soluble in ch3och3. ion-dipole forces in a nacl solution are more likely to overcome solute-solute interactions than dipole-dipole forces in a hcl solution. the dipole-dipole forces in an hcl solution are similar in strength to the dipole-dipole forces between ch3och3 molecules. hcl (g) will be more soluble in ch3och3. hcl is capable of hydrogen bonding to ch3och3, whereas nacl is not.
Similar to the dipole-dipole interactions between CH3OCH3 molecules, the dipole-dipole forces in an HCl solution are quite strong. - In CH3OCH3, HCl (g) will be more soluble.
In carbon tetrachloride, which of the following chemicals is most likely to dissolve?This means that whereas non-polar solutes are more soluble in non-polar solvents, polar solutes are more soluble in polar solvents. The non-polar material will therefore be most soluble in CCl4, considering your choice of compounds.
The multiple choice question about the fundamentals of solubility asks, "How does the saying like dissolves like apply?"For a solute to be soluble, it needs to share the same polarity as the solvent. The main message is that a polar solute will dissolve in a polar solvent.
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how much energy is needed to convert 70.6 grams of ice at 0.00°c to water at 75.0°c?
As stated, it takes 45.6 KJ of energy to turn 70.6 grams from ice at 0.00°C into water at 75.0°C.
What does the word "energy" mean in chemistry?Heat energy is the term used to describe the energy found inside chemical bonds (molecules and atoms). It is discharged during the chemical reaction, which is known as an endothermic and produces heat mainly as a byproduct.
Briefing:The amount of heat required to increase the temperature is provided as
Q = m*c*ΔT
where c is specific heat, delta T is the change in temperature, and m is mass in grams.
Placing all of the values we have obtained,
Q = 70.6 x 4.18 x ( 75 - 0)
Q = 22133.1 J
The total energy = Q + heat of fusion
Heat of fusion is 333 J/g ,
so for 70.6 grams , it will be 333 x 70.6 = 23509.8 J
So the total energy = 22133.1 + 23509.8 = 45642.9 J
or 45.6 KJ
Consequently, 45.6 KJ of energy is required to transform 70.6 grams from ice at 0.00°C into water at 75.0°C.
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The complete question is-
How much energy is needed to convert 70.6 grams of ice at 0.00°c to water at 75.0°c?
Specific heat (ice) = 2.10 J/g°C
Specific heat (water) = 4.18J/g°C
Heat of fusion = 333 J/g
Heat of vaporization = 2258 J/g
Which of the following statements concerning aldehydes and ketones is correct?
O No cyclic ketones exist.
O No cyclic aldehydes exist.
O Both cyclic aldehydes and cyclic ketones exist.
O Neither cyclic aldehydes nor cyclic ketones exist.
O There are no cyclic aldehydes or ketones.
What are the similarities between aldehydes and ketones?Its presence of the a carbonyl group, a dual bond connecting carbon and oxygen, distinguishes aldehydes from ketones.
Which one of the following statements about ketone and aldehyde's distinctions is true*?A aldehyde as well as a ketone differ fundamentally from each other despite having the same central carbon atom due to their distinct chemical structures.Aldehydes combine to an alkyl solely on a single side and a hydrogen ion on the other, in contrast with ketones, which are distinguished by having double alkyl connections on both sides.
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draw the major organic product of the following reaction
You must remember that there will be a rearrangement. So, you should get is 1-chloro-2-methylcyclopentane.
What is organic product?
With very few exceptions, a chemical is regarded as organic if it contains at least one carbon atom, regardless of its source. Organic chemistry is sometimes referred to as "the chemistry of carbon" due to the fact that the carbon atom is normally bonded to at least one hydrogen atom.
What is reaction?
In a chemical reaction, one or more substances—also known as reactants—become one or more new substances, also known as products. Both chemical components and elements are substances.
Therefore, You must remember that there will be a rearrangement. So, you should get is 1-chloro-2-methylcyclopentane.
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In the balanced equation , CS2 + 3O2 = CO2 + 2SO2 , how many mol of O2 would react with 44.5 mols of CO2?
Taking into account the reaction stoichiometry, an amount of moles of 133.5 moles of O₂ is required to react with 44.5 moles of CS₂.
Reaction stoichiometryIn first place, the balanced reaction is:
CS₂ + 3 O₂ → CO₂ + 2 SO₂
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
CS₂: 1 moleO₂: 3 molesCO₂: 1 mole SO₂: 2 molesMoles of O₂ requiredThe following rule of three can be applied: If by reaction stoichiometry 1 mole of CS₂ react with 3 moles of O₂, 44.5 moles of CS₂ react with how many moles of O₂?
moles of O₂= (44.5 moles of CS₂×3 moles of O₂)÷ 1 mole of CS₂
moles of O₂= 133.5 moles
Finally, an amount of moles of 133.5 moles of O₂ is required.
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What causes comet tails to point away from the Sun?
As a result of the sun's radiation pressure, comet tails will always point away from the sun. Compared to the gravitational force acting in the direction of the sun, pushing them away from the sun.
The study of the chemical reactions that radiation has on the matter is known as radiation chemistry, a branch of nuclear chemistry. This field differs greatly from radiochemistry in that the material being chemically altered by radiation does not always need to contain radioactivity. As an illustration, consider how water is transformed into hydrogen gas and hydrogen peroxide.
Ionizing radiation interacts with the electrons of the absorber as it passes through matter, depositing energy in the process. Removing an electron from an atom or molecular link causes radicals and excited species to develop as a result of the radiation's interaction with the absorbing species. The radical species then continue to interact with one another or with molecules nearby.
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how many moles of chlorine gas contain the same number of atomss as there are in 16g of helium??????????????
The number of moles of chlorine gas that contain the same number of atoms as there are in 16 g of helium is 35.44 moles.
The number of moles of a substance can be calculated using the formula: n = m/M, where n is the number of moles, m is the mass of the substance, and M is the molar mass of the substance.
In this case, we are trying to find the number of moles of chlorine gas that contain the same number of atoms as there are in 16 g of helium. The molar mass of helium is 4 g/mol, so the number of moles of helium is 16 g / 4 g/mol = 4 moles.
Since the atomic weight of chlorine is 35.45 g/mol and the atomic weight of helium is 4 g/mol, it follows that there are 35.45 g/4 g = 8.86 atoms of chlorine in 1 mole of chlorine gas.
Therefore, the number of moles of chlorine gas that contain the same number of atoms as there are in 16 g of helium is 4 moles * 8.86 atoms/mole = 35.44 moles.
which compound would you expect to have greater surface tension, acetone [(ch3)2co] or water (h2o) ?
The surface tension depends on the intermolecular forces, and it rises as the strength of those forces rises. Hydrogen bonds are present in water in acetone, but not the other way around. Water, therefore, has a high surface tension.
The only other liquid with a higher surface tension than water is mercury. A sign that the hydrogen bond is present is surface tension. Hydrogen bonds between the water molecules below them and those at the surface of the water create a powerful attraction between them.
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directions: each set of lettered choices below refers to the numbered statements immediately following it. select the one lettered choice that best fits each statement. a choice may be used once, more than once, or not at all in each set. (a) cs (b) ag (c) pb (d) br (e) se question has the lowest first-ionization energy
Cs has the lowest first-ionization energy.
What is first-ionization energy?
In order to create one mole of gaseous ions with a charge of 1+ from one mole of neutral gaseous atoms, the first ionization energy must be used to remove the most loosely held electron. In terms of symbols, this is simpler to understand. It is the amount of energy required to make this transformation for each mole of X.
What is Ionization energy?
The ionization energy assesses an element's capacity to engage in chemical reactions that require the donation of electrons or the production of ions. It frequently has to do with the kind of chemical bonds that are formed between the constituents of the compounds that they produce. See also electron affinity and binding energy.
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For which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas? Nil_2 (aq) NaF(aq) CuBr(aq) Nal(aq) NiF_2(aq)
The aqueous salts that will during electrolysis produce hydrogen gas and oxygen gas are NaF and NaI.
The correct options are B and D.
What is electrolysis?Electrolysis is the process of decomposition of a substance known as an electrolyte when a direct electric current is passed through it.
An electrolyte is a substance that conducts electricity in the molten or aqueous state and which is decomposed during the process.
The element discharged during an electrolytic process depends on:
the position of the element in the electrochemical seriesthe concentration of the ion of the elementthe nature of the electrodeAn aqueous salt of sodium will always produce hydrogen gas and oxygen gas at the electrodes.
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in an aqueous chloride solution cobalt(ii) exists in equilibrium with the complex ion . is pink and is blue. at low temperature the pink color predominates. at high temperature the blue color is strong. if we represent the equilibrium as: we can conclude that:
For the given condition, we can conclude that the reaction is an endothermic reaction and to maintain equilibrium the reaction shifts to right side.
Co²⁺(aq) + 4Cl⁻(aq) ⇄ CoCl₄²⁻(aq).
Endothermic reactions are reactions where the reactants absorb heat from its surrounding while the formation of product. These reactions usually reduce the surrounding temperature.
In the given condition it is said that cobalt (ii) exists in equilibrium with complex ion, is blue and pink in color. At low temperature the pink color dominates and at higher temperature, the blue color dominates.
As the given reaction is a reversible reaction, it is easier to maintain the equilibrium. The reaction forms more products in order to maintain the equilibrium. Thus, the reaction absorbs heat and shifts towards right side making the blue color predominant at higher temperature.
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how many σ and π bonds are present in a molecule of cumulene? (figure 1)
Three double bonds and four single bonds, or 3(+)+4=7+3, are present in cumulene.
Sigma bond between the hydrogen and carbon on the end-side of the cumulene is visible. Carbon and hydrogen are linked by a total of four sigma bonds. Carbon is joined to carbon in the center by 3 sigma bonds and 3 pi bonds. Cumulene now has a total of 7 sigma bonds and 3 pi bonds. A cumulene is a molecule in organic chemistry that has three or more cumulative (consecutive) double bonds. sp2 hybrid orbital of C overlapping with 2p orbital of O and one bond make up the bond.
In the case of compounds with two bonds, one bond is a sigma bond and the other is a pi bond. A triple bond indicates that the chemicals.
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8. (a) if 10 % of a light beam is transmitted through a solution of dye when the path length is 1 cm, what is the absorbance? (b) if the same solution is now placed in a cell with a path length of 10 cm, what fraction will be transmitted? (c) if the dye has a molar decadic extinction coefficient
(a) The absorbance (A) of the solution is calculated using the Beer-Lambert Law:
A = -log(I/I0)
Where I is the intensity of the light passing through the solution and I0 is the intensity of the light absorbed by the solution.
Given that 10% of the light is transmitted, we can say that I/I0 = 0.1. Plugging this into the Beer-Lambert Law equation, we get:
A = -log(0.1) = 1
(b) The fraction of light transmitted through the solution when the path length is 10 cm can be calculated using the Beer-Lambert Law:
A = -log(I/I0)
I/I0 = 10-A
Where A is the absorbance at the given path length and I0 is the intensity of the light absorbed by the solution.
Since the absorbance at the given path length is 1, we can say that I/I0 = 10-1 = 0.1. Therefore, the fraction of light transmitted through the solution when the path length is 10 cm is 0.1.
(c) The concentration of the dye can be calculated using the molar decadic extinction coefficient (ε):
C = A/(εL)
Where A is the absorbance of the solution, ε is the molar decadic extinction coefficient and L is the path length of the solution.
Given that the absorbance of the solution is 1, the molar decadic extinction coefficient is 100,000, and the path length is 1 cm, we can calculate the concentration of the dye:
C = 1/(100,000 x 1 cm) = 0.00001 M
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What reaction does a vitamin KH2-dependent enzyme catalyze? View Available Hint(s) O It decarboxylates the y-carbon of a glutamate side chain. O It carboxylates the y-carbon of an aspartate side chain. O It carboxylates the ycarbon of a glutamate side chain. O It carboxylates the ycarbon of a glutamine side chain. O It carboxylates the P-carbon of a glutamate side chain. Submit PartQ CoASH is used to activate carboxylic acids. What type of compound is formed between CoASH and a carboxylic acid? View Available Hint(s) O anhydride O thioether O amide O thioester O mixed anhydride with phosphate Submit ▼ Part H What role does ATP play in biotin-dependent enzymes? O It puts a good leaving group on bicarbonate. O It provides a strong base. O It provides a strong nucleophile. It delocalizes electrons It reduces bicarbonate. Submit Request Answer Part F TPP is the coenzyme required by pyruvate decarboxylase. What product is formed in that reaction? View Avallable Hint(s) O acetaldehyde O butanal O formaldehyde O acetone O propanal Submit
Part Q: The compound formed when CoASH is used to activate a carboxylic acid is a thioester.
Thioesters are formed when the carboxyl group of the carboxylic acid reacts with the sulfhydryl group of CoASH. The reaction results in the formation of a thioester, a compound containing a carbon-sulfur bond.
Part H: ATP plays an important role in biotin-dependent enzymes. It provides the energy necessary to drive the reaction of biotin-dependent enzymes by donating a high-energy phosphate group to the substrate. This energy transfer results in the formation of a new product, as well as the release of the phosphate group, which serves as a good leaving group.
Part F: The product formed when pyruvate decarboxylase is activated by TPP is acetaldehyde. Pyruvate decarboxylase catalyzes the decarboxylation of pyruvate to form acetaldehyde. TPP serves as a coenzyme, allowing the reaction to occur by providing a strong nucleophile. This nucleophile is then able to attack the pyruvate molecule and facilitate its decarboxylation to form acetaldehyde.
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8. Show that [BrF4] - is a non-polar molecule.
[BrF4] - is a non-polar molecule.
What is polarity of a molecule?A molecule's polarity reveals whether the electron cloud is evenly distributed among its atoms or whether an electronegative atom is having an impact on the electron density. The behavior and reactivity of the molecule will be influenced by the electron distribution. For instance, if you know a chemical's polarity, you may anticipate which solvents would work best with it.
Despite the fact that they are both homogeneous solutions on their own, water and oil do not mix well. A more thorough examination of the polar forces influencing the two solutions will shed light on this phenomenon.
it is called Tetrafluoroborate ion
Bond order = 0.5
[BrF4] - is a non-polar molecule.
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In the following pair, which species would you expect to be the stronger Lewis acid?
Cu+
Cu^2+
In the mentioned pair, the species
[tex] {Cu}^{2+} [/tex] is stronger Lewis acid.
To determine the strength of Lewis acid, firstly we need to understand the definition of Lewis acid. Based on definition, Lewis acid is an electron pair acceptor.
Now, interpreting the information of given species of Copper. The one positive sign indicates deficiency of one electron and two positive signs indicates deficiency of two electrons. Based on this, the [tex] {Cu}^{2+} [/tex] will require two electrons and hence will be stronger Lewis acid.
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Write a nuclear reaction for the neutron-induced fission of U-235 to form Cs-140 and Rb-93. Express your answer as a nuclear equation.
Nuclear reaction: U235 + n ----> Xe144 + Sr90 + 2n , Krypton-92 and barium-141 are the two smaller nuclei that arise from the splitting.
Three neutrons as well as a significant amount of energy are released by the process. This nuclear equation may be used to describe it: 92 235 U + 1 neutron 36 92 K r 56 141 B a + 3 neutrons + energy.
Fission is the term for this action (see diagram below). A split U-235 nucleus releases two to three neutrons each time it divides.
Fission is the splitting of a uranium-235 nucleus into two smaller atoms while simultaneously releasing energy and neutrons (n).
Other uranium-235 atoms take up some of these neutrons. These atoms then disintegrated, releasing more energy and neutrons.
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g which of the following alcohols would be most soluble in water? a) ethanol b) butanol c) hexanol d) octanol e) decanol
The following alcohols would be most soluble in water Ethanol would be the most soluble in water.
Ethanol is a renewable fuel made from corn and different plant materials. Ethanol use is sizable, and more than ninety eight% of gas in the U.S. consists of a few ethanol. The maximum not unusual mixture of ethanol is E10 (10% ethanol, 90% fuel).
Ethanol (or ethyl alcohol) is the sort of alcohol that over billion humans drink each day. This sort of alcohol is produced with the aid of the fermentation of yeast, sugars, and starches.
Ethanol intoxication is commonplace in older teenagers thru adulthood. The poisonous dose for an grownup is 5 mg/dL, while the poisonous dose in a toddler is 3 mg/dL. Youngsters are at better dangers of developing hypoglycemia following a single ingestion than are adults.
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Which of the following substances is NOT a solution? A) humid air B) beer C) oxygen D) steel E) All of the above are solutions_
Substances which is not a solution is : E) All of the above are solutions
A solution is a homogenous mixture of two or more substances. Humid air is a mixture of water vapor and air, but it is not homogenous, so it is not a solution. Beer is a mixture of water, hops, barley, and yeast, but it is not homogenous, so it is not a solution. Oxygen is an element, not a mixture of substances, so it is not a solution. Steel is an alloy, which is a mixture of two or more metals, but it is not homogenous, so it is not a solution.
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Why the reaction between steam and magnesium is more vigorous than that between liquid water and magnesium
Explanation:
The reaction of magnesium and steam takes place which produces magnesium oxide and evolves hydrogen gas.
When steam is passed over the magnesium reaction takes place with the formation of magnesium oxide which is a white powder here hydrogen gas is also formed.
The burning of magnesium takes place with bright white flame in the presence of steam.
When the burning of magnesium takes place in the presence of oxygen, bright light is emitted with the release of a lot of heat.
This reaction is an exothermic reaction.
• Here the product includes powdery magnesium oxide.
what is the REDUCED mass of H2 and N2 using Ma*Mb/Ma+Mb
The reduced mass of H2 and N2 is 1.86g.
What is reduced mass?In Newtonian mechanics' two-body problem, the reduced mass is the "effective" inertial mass. It is a quantity that makes it possible to solve the two-body problem as if it were a one-body problem. However, the mass that determines gravitational pull is not lowered. It is denoted by μ.
It is given by equation:
1 / μ = 1 / m1 + 1 / m2
μ = [tex]\frac{m1 * m2}{m1 + m2}[/tex]
According to the question,
Molar mass of H2 = 2
Molar mass of N2 = 28
Substituting the values in equation:
μ = [tex]\frac{2 * 28}{2 + 28}[/tex]
μ = [tex]1.86 g[/tex]
The reduced mass of H2 and N2 is 1.86g.
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HI is an Arrhenius acid because A) it is a polar molecule. B) it can dissolve in water. C) it produces hydronium ions in solution. D) it produces hydroxide ions in solution.
According to Arrhenius concept a substance that dissociate into water and produce H+ ion or H3O+ ion or proton in the solution called acid.
As HI dissociate into H3O+ and I- ion .
HI(g) + H2O(l) -----> H3O+(aq) + I-(aq)
Thus it gives H3O+ ion .
Therefore, HI is a acid.
Thus option-C is correct.
One or more of the protons in Bronsted acids are released as hydrogen ions, which interact with water molecules.
Lewis acids release hydrogen ions from water after removing one or more hydroxyl ions, which again create hydronium ions.
A weak acid produces hydronium ions when it partially interacts with water.
Water completely deprotonates a strong acid.In water, a weak acid only partly deprotonates.Strong acids that are commonly found in water include HBr, HCl, HI, HNO3, HClO4, and H2SO4.Learn more about to Arrhenius acid visit here;
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Copper has a specific heat of 0.34 J/g C. What does the value of the specific heat tell you about copper compared to water? (specific heat of water=4.184 J/g C)
Copper will experience a high-temperature change as it has a low specific heat as compared to water.
What is the specific heat capacity?Specific heat can be defined as the heat needed to change the temperature of one unit mass (1 kg) of material at constant volume by 1 °C. The S.I. unit of the specific heat capacity can be written as J/kg. The thermal capacity of a material can be described as a physical property of a substance.
The mathematically specific heat capacity can be calculated as :
Q = m C ΔT, Where C is the heat capacity.
As given the values of the specific heat, the high specific heat means that the substance will take more heat to increase its temperature by one degree.
Therefore, when copper and water provided equal amounts of heat, the temperature of the copper metal with the low specific heat has a high change compared to water.
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both the codons uuu and uuc specify the amino acid phenylalanine. this is possible because the genetic code is __________. a. commaless b. non-overlapping c. degerate d. non-ambigous
Phenylalanine is indicated by the codons uuu & uuc. The degenerated genetic code makes this feasible.
What exactly does it mean to be a degenerate?adjective. If you label someone as degenerate, you are disapproving of them because you believe they have poor morals or standards of behavior. A bunch of vile computer hackers, to be exact. Synonyms include vile, base, corrupt, and fallen. Additional Degenerate Synonyms
How do you recognize degeneracy in something?If an energy level in quantum mechanics corresponds in two or more distinct observable states of the a quantum system, it is said to be degenerate. A quantum mechanical system is considered to be degenerate if two or more of its states have the same energy value when measured.
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9 The correct name for the compound Pb3(PO4)4 is (abzi 2) Lead (IV) phosphide Lead phosphide lead monophosphours lead (IV) phosphate
The correct name for the compound Pb3(PO4)4 is lead (IV) phosphate. Chemical substances known as compounds are made up of two or more elements that are chemically bonded together in a certain proportion.
A compound is created when two or more components join chemically in a predetermined mass ratio. A compound is a substance made up of two or more different types of elements together in a specific proportion of their atoms. Some of the particular qualities of the constituent parts are lost during fusion, while the newly created molecule acquires new characteristics. Chemical Formula: The chemical formula identifies a compound. The ratios of atoms that make up a certain chemical molecule are symbolically represented in a chemical formula. Water's chemical formula, H2O, indicates that one molecule of water is made up of two hydrogen atoms and one oxygen atom. One sodium atom and one chlorine atom unite to make a single molecule of common salt, as shown by its chemical formula, NaCl. Salts and molecular compounds are the two categories into which compounds can be divided. Covalent bonds hold the atoms together in molecular molecules. Ionic bonds hold it together in salts.
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pof3 lewis structure
The shape of POF3 Lewis structure is tetrahedral.
Each atom is represented by its chemical symbol in Lewis structures, along with its location within the molecule. Atoms connected by bonds are separated by lines (pairs of dots can be used instead of lines). In addition to the atoms, extra electrons that form lone pairs are shown as pairs of dots.
Hydrogen (H) can only form bonds in which two electrons are shared, whereas main group elements of the second period and beyond often react by gaining, losing, or sharing electrons until they have reached a valence shell electron configuration with a full octet of electrons.
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very small changes in the solute concentrations in the various fluid compartments cause water to move from one compartment to another, which alters blood composition and blood pressure. how do the following physiological changes affect blood pressure?
Blood pressure elevation Vasoconstriction, a rise in salt consumption, and an increase in peripheral resistance increasing blood volume, increasing water absorption, and reducing peripheral resistance
What occurs during vasoconstriction?Vasoconstriction is the process by which tiny muscles in the blood vessel walls narrow (constrain) the blood vessel. Blood flow is hindered or slowed down when blood arteries constrict. There can be mild or severe vasoconstriction. It could be brought on by a medical condition, medication, or psychological issues.
Why does the body constrict its blood vessels?Vasoconstriction is necessary to assist maintain a healthy blood flow also prevent your body from becoming overly cold. Additionally, when necessary, it can elevate blood pressure. In order to promote vasoconstriction, several drugs imitate your body's natural signals.
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