The isomerization of cyclopropane to propylene is a first-order process with a half-life of 19 minutes at 500oc. The time it takes for the partial pressure of cyclopropane to decrease from 1. 0 atmosphere to 0. 125 atmosphere at 500oc is closest to.

answer; /// i do believe that the correct answer is (b); expressionism);

the software connected to the thermometer had errors.

the student stirred the substance with the thermometer

the thermometer's bulb was not submerged in the substance.

explanation:

if im not wrong, i believe you just $7 on the first year, and then 10% of 77 as so on