Author Question: Under constant conditions, the half-life of a first-order reaction ________. A) is the time ... (Read 95 times)

james9437 · **on:** Aug 27, 2018

Under constant conditions, the half-life of a first-order reaction ________.

A) is the time necessary for the reactant concentration to drop to half its original value
B) is constant
C) can be calculated from the reaction rate constant
D) does not depend on the initial reactant concentration
E) All of the above are correct.

Question 2

Herbicides and insecticides are the only poisons to be found in a garden.

Indicate whether the statement is true or false