Stoichiometry Molar Volume

Standard temperature and pressure (STP) mean

• A temperature of 0°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).

• A temperature of 100°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).

• A temperature of 0°K and a pressure of 10 atmosphere (atm).

At STP, 1 mol, or representative particles, of any gas occupies a volume of......................

• 24.4 L

• 44.2 L

• 22.4 L.

The quantity, 22.4 L, is called the ........................ of a gas.

• molar volume

• molar mass

• Atomic volume

Different gases have different densities

• True

• False

The density of a gaseous compound is found to be 0.982 g/L at STP. What is the molar mass of the compound?

• 22

• 44

• 33

What is the volume occupied by 1 mole of any gas at RTP?

• 44.8 L

• 22.4 L

• 16.8 L

• 24 L

What is the volume of 5 moles of oxygen gas at RTP?

• 112 L

• 22.4 L

• 120 L

• 24 L

What is the volume of 3 moles of hydrogen gas at RTP?

• 22.4 L

• 24 L

• 72 L

• 89.6 L

Avogadro's number of representative particles is equal to one_____.

• kilogram
• gram
• kelvin
• mole

Tags

NGSS.HS-PS1-7

How many moles of methane gas molecules, CH₄, are in 12 liters of methane at Room temperature and pressure?

• 11.2 moles

• 0.5 moles

• 179.2 moles

• 27.2 moles