Matching vocabulary terms

Which of the following correctly describes the early view of catastrophism?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.