UNIT 4 THERMO and GAS LAWS

The difference between the PE of the products and the PE of the reactants in a reaction is known as the

Samples of gas at the same volume, temperature, and pressure contain an equal number of

Which of the following represent standard pressure?

What Kelvin temperature is equal to 25 celsius?

Energy is RELEASED when BREAKING bonds.

The specific heat capacity of water is 334 J/gC.

A rigid container implies that the volume remains constant.

Systems in nature tend to transition from

Which of the following salts from TABLE I dissolves endothermically?

5.2 L of gas at STP contains is changed to 450 K and 98 kPa. Calculate the new volume.

According to the Kinetic Molecular Theory, gases attract each other and have significant volume.

Temperature is a measure of

A decrease in volume could lead to a(n)

The number 120.0 has three significant figures.

Which phase changes are exothermic?

Which process requires greater thermal energy?

Entropy is a measure of

How much heat is released when one gram of water freezes?

Which phase change results in a decrease in entropy?

Real gases behave ideal under conditions of

In EXOTHERMIC reactions, the potential energy of the products is GREATER than the potential energy of the reactants.