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DanielleElmas [232]
3 years ago
7

Consider the reaction corresponding to a voltaic cell and its standard cell potential.

Chemistry
1 answer:
RUDIKE [14]3 years ago
8 0

Answer:

Explanation:

Pls don’t remove I need these points

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In the compound h2s hydrogen has an oxidation number of 1+ and sulfur has an oxidation number of
elena-14-01-66 [18.8K]
Oxidation number is defined as the total number of electrons that are gained or lost by the atom to form a chemical bond. 
the oxidation number of the compound H₂S is 0.
the sum of the oxidation numbers of the individual elements should add up to the oxidation number of the compound. 

(oxidation number of H x 2 H ions) + oxidation number of S = 0
since we know the oxidation number of H, lets name the oxidation number of S = x
(+1 * 2 )+ (x) = 0
2 + x = 0
x = -2
oxidation number of S is -2
3 0
4 years ago
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A green rat snake that lives in the grass and a brown rat snake that lives in the desert is a form of what ?
liberstina [14]

A green rat snake that lives in the grass and a brown rat snake that lives in the desert is a form of geographically separated species.

Explanation:

The habitats of the green rat snake  and brown rat snake shows that they are geographically separated species.

The two rat snakes are different species because of their distinct habitat and morphology.

When two species get separated by habitat their breeding method changes either by morphology or breeding pattern.

Such species do not produce viable offspring.

Thus a green rat snake and a brown rat snake have very different habitats they are now two different species.

Such species are said to be reproductively isolated species. Two species having genetic divergence undergo natural selection to adapt to the environment.

6 0
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Which of these remains unchanged during the compaction of sediments? A) Mass B) Color C) Volume D) Pore Space
AURORKA [14]
Mass! Remember the Law of Conservation of Mass: mass can neither be created nor destroyed.
8 0
3 years ago
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What is the balanced chemical equation for the reaction of aqueous sodium hydroxide and sulfuric acid?
Andrews [41]

Answer:

H2SO4 + 2(NaOH) -----> Na2SO4 + 2(H2O).

Explanation:

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The gravitational pull of the Sun affects which of the following properties of the planets in our solar system?
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