According to the ideal gas law (PV = nRT), at constant temperature (T) and volume (V), the pressure (P) of a gas is directly proportional to the number of moles (n) of the gas. Since 1 mole of hydrogen gas and 0.5 moles of oxygen gas are collected in separate containers of the same volume and temperature, the pressure of the hydrogen gas will be double that of the oxygen gas, meaning the pressures are not equal.
Liquid water can be separated into hydrogen gas and oxygen gas through electrolysis. 1
mole of hydrogen gas and 0.5 moles of oxygen gas are produced from 1
mole of liquid water and are collected into separate containers of the same volume at the same temperature. Are the pressures of the gases equal? In one to two sentences, use the ideal gas law to explain your answer.
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