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Thermodynamic Equations

Test your knowledge of Thermodynamic Equations with this quiz.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which equation relates the pressure, volume, and temperature of a gas?

  1. Boyle's Law
  2. Charles's Law
  3. Gay-Lussac's Law
  4. Ideal Gas Law
Question 2 Multiple Choice (Single Answer)

What is the equation for the change in internal energy of a system?

  1. ΔU = Q - W
  2. ΔU = Q + W
  3. ΔU = W - Q
  4. ΔU = -Q - W
Question 3 Multiple Choice (Single Answer)

What is the equation for the work done by a system?

  1. W = -PΔV
  2. W = PΔV
  3. W = ΔPΔV
  4. W = -ΔPΔV
Question 4 Multiple Choice (Single Answer)

What is the equation for the heat capacity of a substance?

  1. C = Q/ΔT
  2. C = ΔQ/ΔT
  3. C = ΔT/ΔQ
  4. C = -ΔQ/ΔT
Question 5 Multiple Choice (Single Answer)

What is the equation for the efficiency of a heat engine?

  1. η = W/Q
  2. η = Q/W
  3. η = W - Q
  4. η = Q - W
Question 6 Multiple Choice (Single Answer)

What is the equation for the entropy of a system?

  1. S = k ln Ω
  2. S = k log Ω
  3. S = -k ln Ω
  4. S = -k log Ω
Question 7 Multiple Choice (Single Answer)

What is the equation for the Gibbs free energy of a system?

  1. G = H - TS
  2. G = H + TS
  3. G = S - HT
  4. G = T - HS
Question 8 Multiple Choice (Single Answer)

What is the equation for the Helmholtz free energy of a system?

  1. F = U - TS
  2. F = U + TS
  3. F = S - TU
  4. F = T - US
Question 9 Multiple Choice (Single Answer)

What is the equation for the chemical potential of a substance?

  1. μ = (∂G/∂n)T,P
  2. μ = (∂H/∂n)T,P
  3. μ = (∂S/∂n)T,P
  4. μ = (∂U/∂n)T,P
Question 10 Multiple Choice (Single Answer)

What is the equation for the equilibrium constant of a chemical reaction?

  1. K = [products]/[reactants]
  2. K = [reactants]/[products]
  3. K = ln([products]/[reactants])
  4. K = ln([reactants]/[products])
Question 11 Multiple Choice (Single Answer)

What is the equation for the van 't Hoff factor?

  1. i = (ΔT/K_b)m
  2. i = (ΔP/K_f)m
  3. i = (ΔV/K_b)m
  4. i = (ΔP/K_b)m
Question 12 Multiple Choice (Single Answer)

What is the equation for the Raoult's law?

  1. P_total = P_A + P_B
  2. P_total = P_A - P_B
  3. P_total = P_A * P_B
  4. P_total = P_A / P_B
Question 13 Multiple Choice (Single Answer)

What is the equation for the Henry's law?

  1. P = k_H * X
  2. P = k_H / X
  3. P = X / k_H
  4. P = 1 / (k_H * X)
Question 14 Multiple Choice (Single Answer)

What is the equation for the Clausius-Clapeyron equation?

  1. ln(P_2/P_1) = ΔH_vap / (R * (T_2 - T_1))
  2. ln(P_2/P_1) = ΔH_vap / (R * (T_1 - T_2))
  3. ln(P_2/P_1) = -ΔH_vap / (R * (T_2 - T_1))
  4. ln(P_2/P_1) = -ΔH_vap / (R * (T_1 - T_2))
Question 15 Multiple Choice (Single Answer)

What is the equation for the Nernst equation?

  1. E = E° - (RT/nF)lnQ
  2. E = E° + (RT/nF)lnQ
  3. E = E° - (nF/RT)lnQ
  4. E = E° + (nF/RT)lnQ
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