Homework Answers
An oxidation - reduction will be non spontaneous if E° of the reaction is negative
We know standard change in free energy ∆G° = - nFE° , So if E° is negative then ∆G° is positive
And for a non spontaneous reaction Keq will be less than one
So option ( C) will be correct
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Which of the following conditions defines a non-spontaneous oxidation-reduction reaction? O E + AGⓇ+ O E....
1. Which of the following conditions defines a non-spontaneous oxidation-reduction reaction? E° + ΔG° - &
1. Which of the following conditions defines a non-spontaneous oxidation-reduction reaction? E° + ΔG° - Keq <1 E° - ΔG° - Keq <1 E° + ΔG°+ Keq >1 E° + ΔG°- Keq >1 E° - ΔG° + Keq <1 2. What information can be obtained from the Figure below? The equivalence point occurs at pH = 7.0 but the pKa is not known from the graph. Both the pOH and the...
QUESTION 4 In electrolysis, electrical energy is used to drive a non-spontaneous oxidation-reduction reaction to occur...
QUESTION 4 In electrolysis, electrical energy is used to drive a non-spontaneous oxidation-reduction reaction to occur O A. Electrolysis is an acid base rxn, not an oxidation reduction rxn. O B. False O C. True CO D. Electrolysis is a combustion rxn, it is not an acid base or oxidation reduction rxn
E LAS A The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION...
E LAS A The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. Cr?* + Agt- Cr + Ag Reactants Products
5 of 15 A reaction is non-spontaneous. What can you conclude about the reverse reaction? O...
5 of 15 A reaction is non-spontaneous. What can you conclude about the reverse reaction? O It is spontaneous. It must be exothermic O It must have an increase in entropy O It is in equilibrium. 6 of 15 Based on the AG calculation, a student determined that a synthesis reaction should be spontaneous. When the student tries out the reaction, however, nothing happens. Which explanation is most plausible? O the student probably made a mistake in the calculation O...
36 5 points For which of the following conditions will a reaction be non-spontaneous at All...
36 5 points For which of the following conditions will a reaction be non-spontaneous at All temperatures? O A reaction cannot be non-spontaneous at all temperatures. O AH is negative, AS is positive O AH is positive, AS is positive AH is positive, AS is negative O AH is negative, AS is negative Previous
Enter electrons as e. The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write...
Enter electrons as e. The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction Cd + A13+ Al + Cd2+ Reactants Products Use the References to access important values if needed for this question er electrons as e skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction Products Reactants Use the References to access important values if needed for this question. Enter electrons as e The following skeletal oxidation-reduction reaction occurs...
4) 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
4) 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 nu>0 c) AGO < 0 d) Both a and c e) Both b and c
3) For a chemical reaction to be spontaneous for standard conditions, which of the following must...
3) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rx > 0 b) AS rx c) AGºrx < 0 d) Both a and c e) Both b and c
please help with all of the question. The following skeletal oxidation-reduction reaction occurs under acidic conditions....
please help with all of the question.
The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. NO3 + Mn2 MnO4 +HNO2 Reactants Products Retry Entire Group 9 more group attempts remaining Submit Answer Mastered The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. Sio2 + Ag Ag2O+Si- Products Reactants (1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction half-reaction identification AP...
QUESTION 4 In electrolysis, electrical energy is used to drive a non-spontaneous oxidation-reduction reaction to occur O A. Electrolysis is an acid base rxn, not an oxidation reduction rxn. O B. False O C. True CO D. Electrolysis is a combustion rxn, it is not an acid base or oxidation reduction rxn
E LAS A The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. Cr?* + Agt- Cr + Ag Reactants Products
5 of 15 A reaction is non-spontaneous. What can you conclude about the reverse reaction? O It is spontaneous. It must be exothermic O It must have an increase in entropy O It is in equilibrium. 6 of 15 Based on the AG calculation, a student determined that a synthesis reaction should be spontaneous. When the student tries out the reaction, however, nothing happens. Which explanation is most plausible? O the student probably made a mistake in the calculation O...
36 5 points For which of the following conditions will a reaction be non-spontaneous at All temperatures? O A reaction cannot be non-spontaneous at all temperatures. O AH is negative, AS is positive O AH is positive, AS is positive AH is positive, AS is negative O AH is negative, AS is negative Previous
Enter electrons as e. The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction Cd + A13+ Al + Cd2+ Reactants Products Use the References to access important values if needed for this question er electrons as e skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction Products Reactants Use the References to access important values if needed for this question. Enter electrons as e The following skeletal oxidation-reduction reaction occurs...
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
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
3) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rx > 0 b) AS rx c) AGºrx < 0 d) Both a and c e) Both b and c
please help with all of the question.
The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. NO3 + Mn2 MnO4 +HNO2 Reactants Products Retry Entire Group 9 more group attempts remaining Submit Answer Mastered The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. Sio2 + Ag Ag2O+Si- Products Reactants (1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction half-reaction identification AP...
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