4 mol of a gas are heated at constant volume from 5 0 ∘ C to 7 5 ∘ C and the internal energy rises by 500 J. Find the molar heat capacity at constant volume in J m o l − 1 K − 1 .

C v = n Δ T Δ U = 4 × 25 500 = 5.00 .

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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesEasy2 minQB

PhysicsEasyinteger

4 mol of a gas are heated at constant volume from $5 0^{\circ}$ C to $7 5^{\circ}$ C and the internal energy rises by 500 J. Find the molar heat capacity at constant volume in J $m o l^{- 1}$ $K^{- 1}$ .

Answer:

Solution:

$C_{v} = \frac{Δ U}{n Δ T} = \frac{500}{4 \times 25} = 5.00$ .

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases

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