According to the kinetic theory, what is the kinetic energy of a gas molecule proportional to? Ο Α.
volume of the gas
OB.
pressure of the gas
OC.
temperature of the gas
OD
density of the gas

C. temperature of the gas

It's called the falling actionwrong subject by the way

Radon-222 or rn-222 has a half-life of 3.82 days. to determine the fraction of an original sample of rn-222 that remains unchanged after 7.646 days, we calculate the amount of rn-222 remaining after 7.646 days and divide it with the original amount. using 1 gram as a basis and using half-life calculation methods, we can determine that  0.249 or 0.25  grams of rn-222 will remain, and thus the fraction remaining is 0.25 or 1/4.