A Certain Radioactive Sample Contains 2 $\times$ 10³ Nuclides at a Certain Time (T = 0);3

question 76

Multiple Choice

A certain radioactive sample contains 2.4 $\times$ 10³ nuclides at a certain time (t = 0) ;3.0 h later the sample contains 6.0 $\times$ 10² nuclides.
-The value of the rate constant for this process is:

• A)2.2 h^-1
• B)4.6 \(\times\) 10^-1 h^-1
• C)1.6 h^-1
• D)3.0 h^-1
• E)none of these

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A measure of fuel efficiency in vehicles, indicating how many miles a vehicle can travel per gallon of fuel.

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