please solve all these questions with showing the work For the reaction 2SO2(g)
ID: 830715 • Letter: P
Question
please solve all these questions with showing the work
For the reaction 2SO2(g) + O2(g) rightarrow 2SO3(g), delta H degree and delta S degree are both negative at 298 K, and the process is spontaneous at 298 K Which of the following statements must also be true? Change in entropy is the driving force for the spontaneity of the reaction at K. delta G is positive for the reaction at 298 K The reaction may become non-spontaneous at high temperatures. delta G is not dependant on temperature for this reaction. At high temperature, delta H will be positive. The reaction Br2(g) rightarrow 2Br(g) is spontaneous only at temperatures above 1600 degree C. We can conclude that delta H is + and delta S is + for the reaction. delta H is - and delta S is + for the reaction. delta G is + for all temperatures. delta H is - and delta S is - for the reaction. delta H is + and delta S is - for the reaction. The reaction CaO(s) + SO3(g) rightarrow CaSSO4(s) is nonspontaneous at 2200 K, whereas it is spontaneous at room temperature. Which of the following statements is false? The change in enthalpy is the main driving force of the reaction. Both delta H and delta S are negative for the reaction. AG is negative at room temperature. The change in entropy is the main driving force of the reaction. delta G becomes zero at a temperature between 300 and 2200 K. What is delta S degree at 298 K for the following reaction? 2O3(g( rightarrow 3O2(g) +33.8 J/K -137.4 J/K -33.8 J/K +443.8 J/K +137.4 J/K In which case must a reaction be spontaneous at all temperatures? delta H is positive, and delta S is positive. delta H= 0, and delta S is negative. delta H is negative, and delta S is positive. delta S =0, and delta His positive. none of theseExplanation / Answer
10)C
11)E
12)A
13)E
14)C
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