7. Gases

At standard temperature and pressure (STP), one mole of which gas will occupy a volume of 22.4 liters?

At standard temperature and pressure (STP), which of the following samples of matter has the greatest average distance between its molecules?

At standard temperature and pressure (STP), which of the following substances has a standard enthalpy of formation (ΔH_f^ext{∘}) defined as 0 kJ/mol?

Under standard temperature and pressure (STP), what volume does one mole of an ideal gas occupy?

What is the mass (in grams) of 5.00 L of O₂ gas at standard temperature and pressure (STP)?

Compared with 1 mole of hydrogen gas at standard temperature and pressure (STP), 1 mole of argon gas at STP occupies:

Which of the following gases, when measured at standard temperature and pressure (STP), would occupy the greatest volume if 1 mole of each is considered?

At standard temperature and pressure (STP), which volume will be occupied by a gas containing 6.02 × 10^{23} atoms?

At standard temperature and pressure (STP), what is the volume occupied by 2 mol of chlorine gas (Cl_2)?

Which of the following gas samples would have the largest number of representative particles at standard temperature and pressure (STP)?

At standard temperature and pressure (STP), what is the molar volume of an ideal gas?

At standard temperature and pressure (STP), what is the volume occupied by 1 mole of an ideal gas?

Which of the following sets of conditions correctly represents standard temperature and pressure (STP)?

Under which of the following conditions are gases most likely to behave ideally?

At standard temperature and pressure (STP), which of the following gas samples has the greatest volume?