At a certain temperature the rate of this reaction is second order in with a rate constant of Suppose a vessel contains at a concentration of . Calculate how long it takes for the concentration of to decrease to . You may assume no other reaction is important. Round your answer to significant digits.

The given question is incomplete. The complete question is:

At a certain temperature the rate of this reaction is second order in with a rate constant of .

Suppose a vessel contains at a concentration of 0.100 M Calculate how long it takes for the concentration of  to decrease to 0.0240 M. You may assume no other reaction is important. Round your answer to 2 significant digits.

It takes 0.93 seconds  for the concentration    to decrease to 0.0240 M.

Explanation:

Integrated rate law for second order kinetics is given by:

= initial concentration = 0.100 M

a= concentration left after time t = 0.0240 M

k = rate constant =

t = time taken for decomposition = ?

Thus it takes 0.93 seconds  for the concentration    to decrease to 0.0240 M.

a galvanic cell( aka voltaic cell) and electrolytic cell

explanation:

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radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.