139089 A vessel is filled with an ideal gas at a pressure of $20 \mathrm{~atm}$ and is at a temperature of $27^{\circ} \mathrm{C}$. Onehalf of the mass is removed from the vessel and the temperature of the remaining gas is increased to $87^{\circ} \mathrm{C}$. At this temperature the pressure of the gas will be
139094 A flask is filled with $1.3 \mathrm{~g}$ of an ideal gas at $27^{\circ} \mathrm{C}$ and its temperature is raised to $52^{\circ} \mathrm{C}$. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at $52^{\circ} \mathrm{C}$ and the pressure remaining the same is
139089 A vessel is filled with an ideal gas at a pressure of $20 \mathrm{~atm}$ and is at a temperature of $27^{\circ} \mathrm{C}$. Onehalf of the mass is removed from the vessel and the temperature of the remaining gas is increased to $87^{\circ} \mathrm{C}$. At this temperature the pressure of the gas will be
139094 A flask is filled with $1.3 \mathrm{~g}$ of an ideal gas at $27^{\circ} \mathrm{C}$ and its temperature is raised to $52^{\circ} \mathrm{C}$. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at $52^{\circ} \mathrm{C}$ and the pressure remaining the same is
139089 A vessel is filled with an ideal gas at a pressure of $20 \mathrm{~atm}$ and is at a temperature of $27^{\circ} \mathrm{C}$. Onehalf of the mass is removed from the vessel and the temperature of the remaining gas is increased to $87^{\circ} \mathrm{C}$. At this temperature the pressure of the gas will be
139094 A flask is filled with $1.3 \mathrm{~g}$ of an ideal gas at $27^{\circ} \mathrm{C}$ and its temperature is raised to $52^{\circ} \mathrm{C}$. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at $52^{\circ} \mathrm{C}$ and the pressure remaining the same is
139089 A vessel is filled with an ideal gas at a pressure of $20 \mathrm{~atm}$ and is at a temperature of $27^{\circ} \mathrm{C}$. Onehalf of the mass is removed from the vessel and the temperature of the remaining gas is increased to $87^{\circ} \mathrm{C}$. At this temperature the pressure of the gas will be
139094 A flask is filled with $1.3 \mathrm{~g}$ of an ideal gas at $27^{\circ} \mathrm{C}$ and its temperature is raised to $52^{\circ} \mathrm{C}$. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at $52^{\circ} \mathrm{C}$ and the pressure remaining the same is
139089 A vessel is filled with an ideal gas at a pressure of $20 \mathrm{~atm}$ and is at a temperature of $27^{\circ} \mathrm{C}$. Onehalf of the mass is removed from the vessel and the temperature of the remaining gas is increased to $87^{\circ} \mathrm{C}$. At this temperature the pressure of the gas will be
139094 A flask is filled with $1.3 \mathrm{~g}$ of an ideal gas at $27^{\circ} \mathrm{C}$ and its temperature is raised to $52^{\circ} \mathrm{C}$. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at $52^{\circ} \mathrm{C}$ and the pressure remaining the same is