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Define RTP.
(Higher tier only)
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Define RTP.
(Higher tier only)
RTP is room temperature and pressure, specifically 20°C and 1 atmosphere.
What is the molar gas volume at RTP?
(Higher tier only)
The molar gas volume at RTP is 24 dm3 or 24,000 cm3.
True or False?
The molar volume of a gas is independent of the type of gas.
(Higher tier only)
True.
The molar volume of a gas is independent of the type of gas.
What is the equation for calculating the volume of a gas at RTP?
(Higher tier only)
The equation for calculating the volume of a gas at RTP is:
Volume = Moles x Molar Volume
State the equation for molar gas volume using moles and volume.
(Higher tier only)
The equation for molar gas volume using moles and volume is:
Molar gas volume = volume / moles
How do you calculate moles using volume and molar gas volume?
(Higher tier only)
The equation to calculate moles using volume and molar gas volume is:
Moles = volume / molar gas volume
How much space, in dm3, does 1.5 moles of gas occupy?
(Higher tier only)
The amount of space, in dm3, that 1.5 moles of gas occupies is:
Volume = moles x molar gas volume
Volume = 1.5 x 24 = 36 dm3
A cylinder contains 300 dm3 of gas. What is this volume in cm3?
(Higher tier only)
A 300 dm3 cylinder contains 300 000 cm3 of gas.
True or False?
Avogadro’s Law states that equal amounts of gases occupy the same volume of space at the same temperature and pressure.
(Higher Tier Only)
True.
Avogadro’s Law states that equal amounts of gases occupy the same volume of space at the same temperature and pressure.
At room temperature and pressure, how many moles of gas are present in 48 dm3?
(Higher tier only)
At rtp, the number of moles of gas present in 48 dm3 is:
Moles = volume / molar gas volume
Moles = 48 / 24 = 2
What volume does one mole of any gas occupy at room temperature and pressure?
(Higher Tier Only)
One mole of any gas at room temperature and pressure occupies:
24 dm3
24 000 cm3