/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 5 : Thermodynamics This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 Which process has ΔS ≈ 0? Solid → gas Ideal crystal at 0 K Gas compression Mixing gases 2 / 10 A reaction is feasible but not spontaneous when ΔG < 0 ΔG = 0 ΔG > 0 ΔH < 0 3 / 10 Which quantity decides feasibility under constant T and P? ΔU ΔH ΔS ΔG 4 / 10 Which reaction has highest entropy change? H₂(g) → H₂(l) 2H₂ + O₂ → 2H₂O(l) N₂(g) + 3H₂(g) → 2NH₃(g) CaCO₃(s) → CaO(s) + CO₂(g) 5 / 10 ΔH for a reaction is equal to ΣHproducts − ΣHreactants ΣHreactants − ΣHproducts Difference of ΔU Zero 6 / 10 For constant pressure processes, heat absorbed equals ΔU ΔH ΔG w 7 / 10 Which law gives absolute entropy? First law Second law Third law Hess’s law 8 / 10 Which is true at equilibrium? ΔH = 0 ΔS = 0 ΔG = 0 q = 0 9 / 10 Which is true for ΔG > 0? Spontaneous Equilibrium Non-spontaneous Always fast 10 / 10 If ΔSsystem > 0 and ΔSsurroundings > 0, reaction is Impossible At equilibrium Spontaneous Non-spontaneous Your score is 0% Restart quiz
