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Question
For the reaction CaCO3(s) → CaO(s) + O2(g) at 1atm pressure, the values of 
H and S are both positive, and the process is spontaneous at high temperatures. Which of the following statements about this reaction is true?
A) The change in entropy is the driving force for the reaction.
B) The process is exothermic at high temperatures and endothermic at room temperature.
C) The reverse reaction is endothermic.
D) The reverse reaction is nonspontaneous at room temperature.
E) Gat room temperature is negative.
Answer
This answer is hidden. It contains 1 characters.
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Q:
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Q:
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Q:
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Q:
If a reaction is first-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 2, the reaction rate will _____.
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Q:
For a certain first-order reaction with the general form aA → products, the rate is 0.32 M·s-1 when the concentration of the reactant is 0.29M. What is the rate constant for this reaction?A) 0.26 s-1B) 1.1 s-1C) 0.32 s-1D) 3.1 s-1E) 3.8 s-1