Multiple ChoiceIn a laboratory experiment using the ideal gas law, which value is considered the universal gas constant (R) when pressure is measured in atmospheres and volume in liters?38views
Multiple ChoiceA gas within a piston-cylinder assembly undergoes compression at constant temperature. According to the ideal gas law, what happens to the pressure of the gas?47views
Multiple ChoiceGiven that 0.10 mol of nitrogen gas undergoes two processes, which of the following statements about the final pressure of the gas is correct if the volume doubles and the temperature remains constant?47views
Multiple ChoiceA sample of gas expands from 1.0 m^3 to 4.0 m^3 at constant temperature and pressure. According to the ideal gas law, what happens to the number of moles of gas in the system?37views
Multiple ChoiceHow many grams of carbon dioxide, CO2, are present in a 0.150 L flask recorded at 525 mmHg and 32 ºC?2687views22rank3comments
Multiple ChoiceHow many liters of HNO3 gas, measured at 28.0 ºC and 780 torr, are required to prepare 2.30 L of 4.15 M solution of nitric acid?2255views16rank2comments
Multiple ChoiceWhen 0.670 g argon is added to a 500 cm3 container with a sample of oxygen gas, the total pressure of the gases is found to be 1.52 atm at a temperature of 340 K. What is the mass of the oxygen gas in the bulb?2665views14rank1comments
Multiple ChoiceA container with a movable piston contains 2.0 moles of argon gas. When the volume of the container is 1.5 L, the pressure is 2.4 atm. Calculate the pressure of the container when the piston is raised to give a volume of 2.5 L. Assume the temperature remains constant.974views