The half-life for the second-order decomposition of hi is 15.4 s when the initial concentration of hi is 0.67 m. what is the rate constant for this reaction? a) 1.0 * 10-2 m-15-1 b) 4.5 * 10-2 m-15-1 c) 9.7* 10-2 m-15-1 od) 2.2 * 10-2 m-15-1

The correct answer is option C.

Explanation:

Half life for second order kinetics is given by:

= half life = 15.4 s

k = rate constant =?

= initial concentration = 0.67 M

 is the rate constant for this reaction.

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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