Thermochemistry Review

Front

Which term describes the total amount of energy stored in a substance due to the motion of its particles?

Back

Thermal energy

Front

The measure of disorder or randomness in a system

Back

Entropy

Front

Measure of the heat content of a system at constant pressure.

Back

Enthalpy

Front

What best describes a spontaneous reaction?

Back

A reaction that occurs without outside intervention

Front

Back

The reaction is spontaneous

Front

Temperature is a measure of average _________ energy of individual atoms.

Back

kinetic

Front

The __________ law of thermodynamics states that entropy is always increasing.

Back

second

Front

Back

endothermic reaction

Front

What is the term for the energy required to start a chemical reaction?

Back

Activation energy

Front

Which law states that energy cannot be created or destroyed, only transformed?

Back

First law of thermodynamics