To solve such this we must know the concept of redox reaction. Therefore, Zn is the reducing agent represented by the given cell notation
Zn(s) ∣ Zn2+(aq) ∣∣ Ag+(aq) ∣ Ag(s)
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.
Redox reaction is a chemical reaction where oxidation and reduction takes place simultaneously. Oxidation is loss of electrons and reduction is gain of electrons. The electron transfer from oxidant to reductant. Zn is the reducing agent in the given reaction. The component that undergoes oxidation is known as a reducing agent.
Therefore, Zn is the reducing agent in the given reaction.
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Is looking for new chemicals to battle cancer pure chemistry or applied chemistry
Answer:
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Explanation:
Which molecule is pentanoic acid?
Answer:
A
Explanation:carboxyli
Find the final pressure of a gas at 150. K, if the pressure of the gas is 210. kPa at 120. K.
Answer:
final pressure = 262.5kpa
Explanation:
using Gay-Lussac's Equation
P1/T1 = P2/T2
P1 = 210kpa = 210000pa
T1 = 120k
P2 = ?
T2 = 150k
210000/120 = P2/150
1750 = P2/150
P2 = 1750 X 150
P2 = 262500pa
P2 = 262.5kpa
The percent by mass of nitrogen for a compound is found to be 46.7% Which of the following could be this species?
The percent by mass of an element in a compound is obtained as the ratio of the mass of the atom to the relative molecular mass of the compound multiplied by 100.
If we look at the representations shown in the image, we will notice that the red ball symbolizes the oxygen atom while the blue ball symbolizes the nitrogen atom.
The percent by mass of nitrogen in NO is 46.7%. This is obtained as follows;
Molar mass = 14 + 16 = 30
percent by mass of nitrogen = 14/30 * 100 = 46.7%
NO is the diagram that has only one red and blue ball respectively.
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You got out to dinner and the bills comes to $44.79. How much should you tip if you want the tip to be 18.0% of the bill?
Answer:
7%
Explanation:
I'd you have $44.79 you put the decimal next to the first 4 so 10% would be $4 and 20% would be $8 so 18% will be like 7
Please help thank you
Answer:
be pulled into the new star
Explanation:
Because it is heavier, with more mass and more gravitational force than our little Sun.
Which of the following is a true statement?
Periods form horizontal rows, groups form vertical columns Periods form horizontal rows, groups form vertical columns Gases form horizontal rows, categories form vertical columns Gases form horizontal rows, categories form vertical columns Groups form horizontal rows, periods form vertical columns Groups form horizontal rows, periods form vertical columns categories form horizontal rows, gases from vertical columns
Answer:
The correct answer is A.
The horizontal rows on the periodic table are called periods, while the vertical columns are called groups.
hope this hepl'sWhich of the following examples shows an increase of energy in the particles of matter? (Select THREE that are true)
liquid to solid
liquid to gas
gas to liquid
OOO
solid to liquid
solid to gas
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
bubble and foam!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What is the MAIN ingredient in smokeless gunpowder
Answer:
Spherical smokeless powder is generally made from nitrocellulose as the base material. The nitrocellulose may be derived from purified cellulose, such as from cotton linters or wood, which is then nitrated by being treated with nitric and sulfuric acids (Olsen 1942. Smokeless powder.
Explanation:
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explain with the help of examples difference between elements and compounds
Answer:
Elements are pure substances which are composed of only one type of atom. Compound are substances which are formed by two or more different types of elements that are united chemically in fixed proportions. ... Some of the examples of elements are Iron, Copper, Gold, etc. A few examples of compounds are NaOH, NaCl, etc.
Balance this equations pH3+O2=P4O10+H2O
Because there are 4 P on the right side, we have to put a coefficient of 4 on the left to balance out the P.
This would give us 12 H on the left and 2 H on the right, so we have to put a 6 on the right to balance out the H.
Now we have 16 O on the left and 2 on the right, so a coefficient of 8 is required to balance out the O.
Which of the following statements is incorrect for the reaction of 1,3- butadiene with a substituted alkene CH2=CHX when X is a nitro group?
Answer:
hugsvsbsbbsnjsjsnsbsbbzbd
HURRY PLEASE!! A student builds a model of a town. The model's scale in 1:48. Fill in the missing
information in the table.
Distance between
in real life
in model
School and library
18.0 m
0375m 0
Grocery store and city hall
Select
14
26 m
Post office and park
9.6 m
30 m
MIT
864 m
How is biotechnology useful for society?
(Pls, I want an accurate answer. No copied answer.)
Answer:
It can create a new plant variety, cure diseases or like the current epidemic situation, vaccines, drugs, ...
Explanation:
How many molecules of each of the cofactors are produced when two acetyl-SCoA molecules pass through the citric acid cycle?
Answer:
Explanation:
1000
What is the atomic number of gold
The ionic radius of a sodium ion is 2.27 angstroms (A) . What is this length in um
[tex]\boxed{\sf 1Å=10^{-10}m}[/tex]
[tex]\\ \rm\longmapsto 2.27Å[/tex]
[tex]\\ \rm\longmapsto 2.27\times 10^{-10}m[/tex]
[tex]\\ \rm\longmapsto 0.227\times 10^{-9}m[/tex]
[tex]\\ \rm\longmapsto 0.0227\times 10^{-8}m[/tex]
[tex]\\ \rm\longmapsto 0.00227\times 10^{-7}m[/tex]
[tex]\\ \rm\longmapsto 0.00023\times 10^{-6}m[/tex]
[tex]\\ \rm\longmapsto 0.00023\mu m[/tex]
Therefore, length = 2.27 × [tex]10^{-4}[/tex] um
Ionic radius of sodium = 2.27 angstrons
1 angstron = [tex]10^{-10} m[/tex]
1 m =[tex] 10^6[/tex] micrometer (um)
So, 1 angstron = [tex]10^{-10} m\times10^6 um/m = 10^{-4} um[/tex]
Hence,
2.27 anstrons × [tex]10^{-4}[/tex] um/angstron =
2.27 ×[tex] 10^{-4} [/tex]um
So, length = 2.27 × [tex]10^{-4}[/tex] um
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The chemical reaction represented as “AB ⇒ A + B” is a ______
Answer:
Below
Explanation:
This would be a decomposition reaction. This occurs when a compound breaks down into 2 + simpler substances. We can see this from AB --> A + B, one compound (AB) breaks down into 2 simple substances ( A and B ).
Hope that helped!
Loss of atmospheric ozone has led to an ozone "hole" over Antarctica. The process occurs in part by three consecutive reactions. (Each of the reactants and products in these reactions are gases.)
(1) Chlorine atoms react with ozone (O3) to form chlorine monoxide and molecular oxygen.
(2) Chlorine monoxide forms ClOOCl.
(3) ClOOCl absorbs sunlight and breaks into chlorine atoms and molecular oxygen. If the coefficient for a particular substance is "1", do not write the "1" in the balanced equation. For example, instead of writing "1Cl(g)", simply write "Cl(g)".
(a) Write a balanced equation for each step, including the state of each molecule.
(b) Write an overall balanced equation for the sequence.
Ozone O₃ consists of a strong reactive gas made up of three atoms of oxygen. Ozone occurs on the Earth as natural and man-made gas.
Ozone impacts life on Earth in positive or harmful ways depending upon its location in the atmosphere.
From the information given, we are to balance the reactant and the product that leads to the formation of Ozone by following each step.
Step 1:
2Cl° + 2O₃ 2ClO° + 2O₂
Chlorine molecular
monooxide oxygen
Step 2:
2ClO° ClOOCl
Step 3:
ClOOCl + sunlight → 2Cl° + O₂
(b)
The Overall balanced equation can be expressed as:
2O₃ → 3O₂
Therefore, from the above explanation we can see the step by step process for the balanced equation and the overall balanced equation.
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A biochemist carefully measures the molarity of glucose in of cell growth medium to be . Unfortunately, a careless graduate student forgets to cover the container of growth medium and a substantial amount of the solvent evaporates. The volume of the cell growth medium falls to . Calculate the new molarity of glucose in the cell growth medium. Round each of your answers to significant digits.
In your own words, summarize the contrasting arguments of Democritus and Aristotle about the composition (make up) of matter.
Answer:
Aristotle disagreed with Democritus and offered his own idea of the composition of matter. According to Aristotle, everything was composed of four elements: earth, air, fire, and water. The theory of Democritus explained things better, but Aristotle was more influential, so his ideas prevailed.
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Filtration is the most appropriate method for separating a solution of water and which substance?
A. alcohol
B. salt
C. sand
D. sugar
Answer:
Sand
Explanation:
If you get salt or sugar in your water, you have to legit desalinate it to get the water and item out. You need to evaporate the water by increasing temperature and then lower temperature to separate the substances.
If you have alcohol, you need to distill it by trapping it and stuff.
With sand, the molecules are much larger which lets you separate the substances easily.
For example, on a beach, you can slap a handful of sand in your pail, but the sand sinks to the bottom right? You can just pour out the water.
Describe the differences between models and scientific laws and theories. (
Answer:
Scientific laws and theories have different jobs to do. A scientific law predicts the results of certain initial conditions. ... In simplest terms, a law predicts what happens while a theory proposes why. A theory will never grow up into a law, though the development of one often triggers progress on
Explanation:
The volume of real gas will change if “P” increases upto 500 atm and temperature decrease upto 0°C A. Volume increases by 0.05% B. Volume decreases by 0.05% C. Volume increases 20% D. Vol decreases 20%
We have that The volume of real gas will change if “P” increases upto 500 atm and temperature decrease upto 0°C there will be
. Volume decreases by 0.05%
OPtion B
From the question we are told that
if “P” increases upto 500 atm
temperature decrease upto 0°C
Generally the equation for the ideal gas equation is mathematically given as
P=\frac{nRT}{V}
Where
n=1
R=0.08
Therefore
The volume is directly proportional to temperature
Therefore
. Volume decreases by 0.05%
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Which method is used to separate the following mixture (a) water + kerosene
Answer:
The separation of kerosene, oil, and water are immiscible liquids, so they can be separated funnel.
What is cylopasm?
A. The center of control for a cell.
B. The organelle that create protein for a cell.
C. The membrane that surrounds a cell.
D. The substance that holds the organelle of a cell in place.
Answer:
D. The substance that holds the organelle of a cell in place.
Explanation:
Cytoplasm is the material filled within the cell, and it holds the organelles in a cell in place.
6. The overall process of photosynthesis has the balanced chemical equation 6CO2 +
6H2O → C6H12O6 + 602. What does this tell you about the relative amounts of carbon
dioxide and water consumed in this process?
ОООО
A. For every mole of carbon dioxide consumed, one mole of water is consumed.
B. For every six moles of carbon dioxide consumed, one mole of water is consumed.
C. For every six grams of carbon dioxide consumed, one gram of water is consumed.
D. For every gram of carbon dioxide consumed, one gram of water is consumed.
Answer:
The right answer is option A
Outline the steps involved in the synthesis of 4-bromo-3-nitro-phenol from 4-bromobenzoic acid.
Answer:
[tex]4 - bromobenzoic \: acid \\ ↓ \\ { \tt{ \{soda \: lime \: and \: calcium \: oxide}} \\ { \tt{and \: heat \}}} \\ ↓ \\ 4 - bromobenzene \\ ↓ \\ { \tt{ \{chlorine \: and \: aluminium \: chloride \}}} \\ ↓ \\ 4 - bromo - 2 - chlorobenzene \\ ↓ \\ { \tt{ \{water \: and \: sodium \: hydroxide \}}} \\ ↓ \\ 4 - bromophenol \\ ↓ \\ { \tt{ \{conc.nitric \: acid \: at \: 60 \degree c}} \\ { \tt{and \: sulphuric \: acid \}}} \\ ↓ \\ 4 - bromo - 3 - nitrophenol[/tex]
In brackets, are the reagents
Which of the following compounds has the lowest percent gold content by mass which one has the highest percent gold content by weight?
a. AuOH
b. Au(OH)3
c. AuCI3
d. AuI3
Answer:D. AuI3
Explanation: