The mass of a substance – solid, liquid or gas – is measured with a balance. This mass balance could be attached to a data logger to measure the decrease in mass against time continuously and ...

While conventional natural gas streams from the earth relatively easily, unconventional gas finds are more difficult to develop and more costly to produce. As technologies and skills improve ...

The rate of a chemical reaction is a measure of how fast the reactants are being used up and how fast the products are being made. Reactions in which a gas is produced can be used to monitor the rate.