The Ideal Gas Equation (Leaving Cert Chemistry): Quizzes

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The Ideal Gas Equation
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Which three gas laws combine to form the ideal gas equation?

Boyle's, Charles', and Avogadro's Laws

What is the ideal gas equation?

PV=nRTPV = nRT

What is the value of the universal gas constant RR?

8.31 J mol−1K−18.31 \text{ J mol}^{-1} \text{K}^{-1}

In the ideal gas equation, what units should pressure PP be measured in?

Pascals (Pa)

What does Boyle's Law state when temperature is constant?

Volume is inversely proportional to pressure

What does Charles' Law state when pressure is constant?

Volume is directly proportional to temperature

What does Avogadro's Law state at constant temperature and pressure?

Volume is directly proportional to moles

How many litres equal 1 cubic metre?

1000 L

How do you convert temperature from Celsius to Kelvin?

Add 273

At s.t.p., what volume does one mole of any gas occupy?

22.4 litres

What is the temperature at s.t.p. in Kelvin?

273 K

What is the most common mistake students make with gas calculations?

Forgetting to convert units to SI

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