The mass of 3.0 L of ammonia, NH3, at STP is:

If the Kelvin temperature of a gas is doubled, the volume of the gas will:

One thousand parts per billion equals one part per million.

When a gas is heated, its volume:

Solid solutions of metals are called alloys.

The piece of apparatus pictured below is known as a:

The instrument used to measure atmospheric pressure is called a:

In a _______, the concentration of a solution is determined quantitatively by observing and measuring the reaction of the solution with a second solution of known concentration.

The instrument used to measure changes in gas pressure is called a:

A solution is a heterogeneous mixture because it is composed it two substances, called the solute and the solvent.