Some industrial plants use water from nearby rivers and streams as a coolant. When the water is returned to the river or stream, the water is warmer than it was originally. This is referred to as “thermal pollution”. Using your knowledge of solubility, explain why this thermal pollution is harmful to fish. (4 marks)

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: