Gas Stoichiometry Under Non-Standard Conditions
Chemistry ⇒ Stoichiometry and Chemical Calculations
Gas Stoichiometry Under Non-Standard Conditions starts at 11 and continues till grade 12.
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If the pressure of a gas is doubled while the temperature is kept constant, what happens to the volume?
Which law relates the pressure, volume, and temperature of a fixed amount of gas under non-standard conditions?
A 10.0 L container holds oxygen gas at 2.00 atm and 27°C. How many molecules of O2 are present? (R = 0.0821 L·atm·mol−1·K−1, Avogadro’s number = 6.02 × 1023)
A 2.00 g sample of helium gas is at 27°C and 1.20 atm. What is its volume? (R = 0.0821 L·atm·mol−1·K−1)
A 3.00 L sample of gas at 1.00 atm and 27°C is compressed to 1.50 L at 27°C. What is the new pressure?
A 4.00 L sample of gas at 1.50 atm and 20°C is compressed to 2.00 L and heated to 60°C. What is the new pressure?
A 5.00 g sample of methane (CH4) is burned in excess oxygen at 27°C and 1.10 atm. What volume of CO2 is produced? (R = 0.0821 L·atm·mol−1·K−1)
A 6.00 L sample of gas at 2.00 atm and 300 K is allowed to expand to 12.0 L at 1.00 atm. What is the final temperature?
Which of the following equations is used to relate the initial and final conditions of a gas sample when the amount of gas is constant? (1) Boyle’s Law, (2) Charles’s Law, (3) Combined Gas Law, (4) Avogadro’s Law
Which of the following is a correct rearrangement of the ideal gas law to solve for pressure? (1) P = nRT/V, (2) P = V/nRT, (3) P = RT/nV, (4) P = nV/RT
Which of the following is NOT a condition of standard temperature and pressure (STP)? (1) 0°C, (2) 1 atm, (3) 22.4 L/mol, (4) 25°C
Which of the following is NOT a valid unit for pressure in gas law calculations? (1) atm, (2) mmHg, (3) Pa, (4) L
The ideal gas law assumes that gas particles have ________ volume and ________ intermolecular forces.
The ideal gas law is represented by the equation ________.
The partial pressure of a gas collected over water is equal to the total pressure minus the ________ pressure of water.
The pressure of a gas is inversely proportional to its volume at constant temperature. This is known as ________’s Law.
True or False: The combined gas law can be used when the amount of gas changes.
True or False: The ideal gas law can be used to calculate the volume of a gas produced in a reaction at 100°C and 2.00 atm.
True or False: The molar volume of a gas at non-standard conditions is always 22.4 L/mol.
True or False: The number of moles of gas can be calculated from the volume, pressure, and temperature using the ideal gas law.
