1) What is the mass of a CO2 gas sample that occupies 5.60 L at STP?
2) Which of the following statements are correct? (Select all that apply).
a Two moles of chlorine gas at 20 °C is heated to 250 °C while the volume is kept constant. The density of the gas increases.
b According to Boyle's Law; if the pressure applied to an ideal gas sample is doubled while other conditions stay the same; the volume of the sample is halved.
c Under the same pressure and temperature; the volume of 2 mol of O2 gas is larger than that of 2 mol of N2 gas.
d According to Charles's Law; if the temperature (in K) of an ideal gas sample is doubled while other conditions stay the same; the volume of the sample is doubled.
e According to Avogadro's Law; if 0.35 mol of an ideal gas sample has a volume of 7.84 L; the volume of 1.05 mole of the gas is 23.5 L at the same temperature and pressure.
| 1) What is the mass of a CO2 gas sample that occupies 5.60 L at STP? |
| 2) Which of the following statements are correct? (Select all that apply). |
a Two moles of chlorine gas at 20 °C is heated to 250 °C while the volume is kept constant. The density of the gas increases.
b According to Boyle's Law; if the pressure applied to an ideal gas sample is doubled while other conditions stay the same; the volume of the sample is halved.
c Under the same pressure and temperature; the volume of 2 mol of O2 gas is larger than that of 2 mol of N2 gas.
d According to Charles's Law; if the temperature (in K) of an ideal gas sample is doubled while other conditions stay the same; the volume of the sample is doubled.
e According to Avogadro's Law; if 0.35 mol of an ideal gas sample has a volume of 7.84 L; the volume of 1.05 mole of the gas is 23.5 L at the same temperature and pressure.
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