Thermal Physics (AQA A-Level Physics): Quizzes

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Ideal gases
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What does 'empirical' mean when describing the gas laws?

Based on experimental observations

Which equation represents Boyle's Law at constant temperature?

pV=kpV = k

What remains constant when applying the Pressure Law pT=k\frac{p}{T} = k?

Volume

Convert 27°C to kelvin using K=C+273K = C + 273.

300 K

What happens to particles at absolute zero (0 K)?

They have no kinetic energy

What is the value of the molar gas constant RR in the equation pV=nRTpV = nRT?

8.31 J mol⁻¹ K⁻¹

What is the value of Avogadro constant NAN_A?

6.02×10236.02 \times 10^{23} mol⁻¹

How is Boltzmann constant kk related to RR and NAN_A?

k=RNAk = \frac{R}{N_A}

What is the formula for work done by a gas at constant pressure?

pΔVp\Delta V

What is the molar mass of nitrogen gas (N₂) if each N atom has nucleon number 14?

28 g mol⁻¹

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