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erma4kov [3.2K]
3 years ago
14

What’s the number 9.1x10^3 in standard form

Chemistry
1 answer:
mafiozo [28]3 years ago
3 0

Answer:

.0091

Explanation:

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Types of atoms. The basic unit of matter. Pure substance is what?
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Solids, liquids, gases, and plasma are all matter. When all atoms that make up a substance are the same, then that substance is an element. Elements made of only one kind of atom. Because of this, elements are called "pure" substances.

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Select the correct answer.
frozen [14]

Answer:

1.79x10^-14

Explanation:

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I think the answer is D. Temperature affects only the rate of reaction.

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LiRa [457]
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Calculate the standard potential for the following galvanic cell: Ni(s) | Ni2+(aq) || Ag+(aq) | Ag(s) which has the overall bala
mylen [45]

Answer:

1.06  V  

Explanation:

The standard reduction potentials are:

Ag^+/Ag     E° =  0.7996 V  

Ni^2+/Ni     E° = -0.257   V

The half-cell and cell reactions for Ni | Ni^2+ || Ag^+ | Ag are

Ni → Ni^2+ + 2e-                     E° = 0.257   V

<u>2Ag^+ 2e- → 2Ag               </u>    <u>E° = 0.7996 V </u>

Ni + 2Ag^+ → Ni^2+ + 2Ag     E° = 1.0566  V

To three significant figures, the standard potential for the cell is 1.06 V .

8 0
3 years ago
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