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zhannawk [14.2K]
3 years ago
14

In the chemical reaction below, calcium (Ca) and water (H2O) react to form calcium hydroxide (Ca(OH)2) and hydrogen gas (H2).

Chemistry
1 answer:
shtirl [24]3 years ago
5 0
C
because the mass never changes, it is always equal on both sides.
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A sample contains 25% parent isotope and 75% daughter isotopes. If the half-life of the parent isotope is 72 years, how old is t
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The radioactive decay obeys first order kinetics

the rate law expression for radioactive decay is

ln\frac{[A_{0}]}{[A_{t}]}=kt

Where

A0 = initial concentration

At = concentration after time "t"

t = time

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For first order reaction the relation between rate constant and half life is:

k=\frac{0.693}{t_{\frac{1}{2} } }

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Given

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ln(\frac{A0}{0.25A0})=0.009625  X time

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Explanation:

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Therefore, net cell reaction is as follows.

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Net reaction: 2In(s) + 3Cd^{2+}(aq) \rightarrow 2In^{3+}(aq) + 3Cd(s)

Thus, we can conclude that the overall cell reaction is as follows.

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3 years ago
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