For spontaneous conditions, ∆G° must be negative or ∆Suniverse must be positive, ∆Srxn can have any value
So correct answer is option C
3) For a chemical reaction to be spontaneous for standard conditions, which of the following must...
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn < 0 b) AS rxn > 0 c) AGºrx < 0 d) Both a and c e) Both b and c
urgent 3) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS r> 0 b) AS m 0 c) AGºrx < 0 d) Both a and e) Both b and c
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn <0 b) AS nu>0 c) AGO < 0 d) Both a and c e) Both b and c
13. Which of the following must be true for a spontaneous system at standard conditions? b. AS® pos (+)c. AG neg d. none of the above e. all of the above
1) Which of the following makes formation of a solution from two pure chemical substances more likely to occur? a) If randomness increases when a solution forms b) If energy decreases when a solution forms c) If energy increases when a solution forms d) Both a and b e) Both a and c 2) What is the value for the van't Hoff factor (1) for Cu(NO3)2? a) i=1 b) i=2 c) i=3 d) i=4 e) i>4 3) For which of...
For a chemical reaction to be only spontaneous at low temperatures, which of the following conditions must be met? ∆S < 0, ∆H < 0 ∆S > 0, ∆H < 0 ∆S < 0, ∆H > 0 ∆S > 0, ∆H > 0
on For a chemical reaction that is not spontaneous, it is found that ASys O. Which of the following could be true? < 0 and its magnitude is less than Δ5w Sur>0 and its magnitude is less than ASys ASur 0 and its magnitude is greater than ASsy Surr > 0 and its magnitude is greater than as,ys. ASuniv>0
4. Which of the following is consistent with a spontaneous endothermic reaction? (A) AH> 0, AS <0, AG <0 (D) AH<0, AS > 0, AG>O (B) AH > 0, AS > 0, AG <0 (E) AH>0, AS <0, AG>0 (C) AH<0, AS <0, AG<0 5. For the reaction H, (g) +S (8) HS (g), AF- -20.2 kJ/mol and AS = +43.1 J/K mol. Which of these statements is true? (A) The reaction is only spontaneous at low temperatures. (B) The...
1) What is the value for the van't Hoff factor (i) for Zn(NO:)? a) i = 1 b) i - 2 di-4 e)i>4 2) Which of the following makes formation of a solution from two pure chemical substances more likely to occur? a) If randomness increases when a solution forms b) If energy decreases when a solution forms c) If energy increases when a solution forms d) Botha and be e) Both a and 3) For a chemical reaction to...
1) Which of the following makes formation of a solution from two pure chemical substances more likely to occur? a) If randomness increases when a solution forms b) If energy increases when a solution forms c) If energy decreases when a solution forms d) Both a and b c) Both a and c 2) What is the value for the van't Hoff factor (1) for Au(NO);? a) i-1 b) i = 2 c) - 3 e)i>4 3) For a chemical...