Select the statement that must be true about a non-spontaneous process
Added by Allen H.
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A non-spontaneous process is one that does not occur naturally under a given set of conditions and requires an input of energy to proceed. Show more…
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Which of the following statements is/are true? a. A highly spontaneous process need not occur rapidly b. A non spontaneous process cannot be caused to occur. c. The reverse of a spontaneous reaction is always non spontaneous. d. A spontaneous process always moves towards equilibrium.
1. ___ A process that occurs, as described in an equation, without the aid of an outside driving force or applied energy is said to be: (A) Unlikely (B) Energetically forbidden (C) Spontaneous (D) Nonspontaneous 2. ___ Generally, spontaneous processes tend to be reversible. (A) True (B) False 3. ___ Which of the following processes would be considered reversible? (A) The rusting of iron (B) The melting of ice at 0° C (C) The melting of ice a 25° C (D) The combustion of butane 4. ___ The statement: "All spontaneous processes occur with an increase in entropy in the universe" is also called: (A) The first law of thermodynamics (B) The second law of thermodynamics (C) The third law of thermodynamics (D) Murphy's law 5. ___ Which of the following is true for a chemical reaction at equilibrium? (A) ΔG = 0 (B) ΔH -TΔS = 0 (C) The forward and reverse reactions are not considered spontaneous (D) All of these
Adi S.
Which of the following is not true? Select one: a. A spontaneous reaction is one that can proceed on its own. b. A spontaneous reaction need not occur immediately. c. A spontaneous reaction must be exothermic and must have an increase in entropy. d. The reverse of a nonspontaneous reaction is always spontaneous.
Jennifer H.
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