for an ideal gas, each of the following unquestionably leads to an increase in the pressure of the gas, except one. which one is it? (a) increasing the temperature and decreasing the volume, while keeping the number of moles of the gas constant (b) increasing the temperature, the volume, and the number of moles of the gas (c) increasing the temperature, while keeping the volume and the number of moles of the gas constant (d) increasing the number of moles of the gas, while keeping the temperature and the volume constant (e) decreasing the volume, while keeping the temperature and the number of moles of the gas constant.