Gas laws quiz

Quiz by Amoi Salmon

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- Q1
**What is the volume of 2 moles of a gas at 25 degrees Celsius and 1.5 atm?**Hint: PV=nRT

Hint: Convert °C to K

15.4 L32.6 L0.067 L1.82 L30s - Q2
**What is the number of moles of a gas in a 5 L container at 1.2 atm and 27 degrees Celsius?**Hint: PV=nRT

Hint: Convert °C to K

2.33 mol0.12 mol0.23 mol0.46 mol30s - Q3
**What is the pressure of a gas at 25 degrees Celsius and 2 L volume with 0.5 moles of gas?**Hint: PV=nRT

Hint: Convert °C to K

0.25 atm2.0 atm0.533 atm6.11 atm30s - Q4
**What is the temperature of 2 moles of gas in a 10 L container at 1 atm?**Hint: PV=nRT

546°C54.6 K60.9K10 K30s - Q5What is the volume of 1 mole of gas at STP?1 L2.4 L22.4 L0.1 L30s
- Q6What is the relationship between pressure and volume, when temperature is kept constant?directinverserandomnone of the above30s
- Q7What is the relationship between temperature and volume, when pressure is kept constant?directnone of the aboveinverserandom30s
- Q8What is the relationship between pressure and temperature, when volume is kept constant?inversedirectrandomnone of the above30s
- Q9What is the ideal gas law?PV=nRTPV=kP=n/VV=nRT/P30s
- Q10
**What is the volume of a gas that occupies 2 L at 1 atm if the pressure is increased to 3 atm?**Hint: P

_{1}V_{1}=P_{2}V_{2}3 litres1.5 litres0.67 litres2 litres30s - Q11
**What is the pressure of a gas that occupies 10 L at 2 atm if the volume is decreased to 5 L?**Hint: P

_{1}V_{1}=P_{2}V_{2}8 atm4 atm2 atm1 atm30s - Q12
**A gas at 25°C and 2.5 L has a volume of 3.5 L at what temperature?**Hint: V

_{1}/T_{1}= V_{2}/T_{2}Hint: Convert °C to K

455 K380 K485 K417 K30s - Q13
**What is the volume of gas at 20°C, if its original volume was 2 L at 0°C?**Hint: V

_{1}/T_{1}=V_{2}/T_{2}Hint: Convert °C to K

2.1 L1.9 L1.5 L1.7 L30s - Q14
**If the pressure of a gas is 3 atm at 300 K, what will be the pressure if the temperature is increased to 350 K at constant volume?**Hint: P

_{1}/T_{1}= P_{2}/T_{2}3.5 atm2.5 atm3.0 atm4.0 atm30s - Q15
**A gas has a volume of 500 mL at 1 atm. If the pressure is decreased to 0.5 atm, what is the new volume?**Hint: P

_{1}V_{1}=P_{2}V_{2}1000 mL250 mL2000 mL750 mL30s