To prepare a 0.35 mol/L solution of calcium chloride, you add 19.4 g of CaCl2 to enough water to form 500 mL of solution.

Standard conditions are:

The number of molecules in a litre of oxygen at STP is:

CIMETIDINE DOSAGE AND ADMINISTRATION

BUMETANIDE ADVERSE REACTIONS/SIDE EFFECTS

BUMETANIDE CONTRAINDICATIONS

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.