19. Chemical Thermodynamics
Spontaneous vs Nonspontaneous Reactions
19. Chemical Thermodynamics
Spontaneous vs Nonspontaneous Reactions
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- Multiple Choice
Which of the following statements is/are true?
a) The rusting of iron by oxygen is a non-spontaneous reaction.
b) The addition of a catalyst to a reaction increases spontaneity.
c) The movement of heat from a cold object to a hot object is a non-spontaneous reaction.
d) The diffusion of perfume molecules from one side of a room to the other is a non-spontaneous reaction.
e) None of the above.
2410views16rank1comments - Multiple ChoiceWhich of the following is (are) spontaneous processes?
(i) a ball rolling down a hill
(ii) a car rusting
(iii) the decomposition of water into H2 gas and O2 gas379views - Multiple ChoiceA positive ΔSsystem indicates what about the overall spontaneity of a process?346views
- Multiple ChoiceA process is always spontaneous under which conditions?439views
- Open QuestionA reaction that is spontaneous as written219views
- Open QuestionWhich of the following processes are spontaneous?206views