QUESTION 1 Which of the following statements is true for the following reaction?

Question

QUESTION 1 Which of the following statements is true for the following reaction? A. The reaction is spontaneous only at relatively high temperatures B. The reaction is at equilibrium under standard-state conditions. e C. The reaction is not spontaneous at any temperature D. The reaction is spontaneous at all temperatures O E. The reaction is spontaneous only at relatively low temperatures. QUESTION 2 Which of the following is not 3 spontaneous process at 25 C and 1 atm pressure? A salt dissoving B. steam,condensing C water boiling D.iron nusting E ice meltin

Explanation / Answer

Ans 1 : A) The reaction is spontaneous only at relatively high temperatures.

The endothermic reactions are spontaneous , is the gibbs energy change for the reaction is negative. When the entropy changes are higher than that of the enthalpy changes , the reaction becomes spontaneous.

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