Homework Answers
Since there are two moles of gas forming from 1 mol, 
S is positive (>0). therefore in order to make sure that Gibbs
energy change is positve, The strengths of oxidants and reductants
on opposite sides of redox equations correlate oppositely.
H>0
Option D
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22. Which of the following is true for the following process that is nonspontaneous at a...
the first one is supposed to be meant spontaneous. thanks ction to be non-spontaneous at any...
the first one is supposed to be meant spontaneous. thanks
ction to be non-spontaneous at any temperature, which of the following В. Tur a chemical reaction to b conditions must be met? AS > 0, AITO AS > 0, AIT <0 AS <0, AHP <0 AS <0, AHP>0 D. 2. Place the following in on lowing in order of decreasing standard molar entropy. N204(8) NO(g) NO2(g) 204 > NO2 > NO B) NO > NO2 > N204 E) NO2 >...
Under which of the following conditions is a process spontaneous at high temperatures and nonspontaneous at...
Under which of the following conditions is a process spontaneous at high temperatures and nonspontaneous at low temperatures? Select the correct answer below: O AH and AS are both positive O AH and AS are both negative O ΔH is positive and Δ.S is negative O AH is negative and AS is positive
Which is true for a nonspontaneous process? If a subscript is not given, assume it refers...
Which is true for a nonspontaneous process? If a subscript is not given, assume it refers to the system. Select the correct answer below: ΔS<0 ΔSuniv>0 ΔG>0 ΔG<0
Which of the following would be true for a reaction that has a positive AS and...
Which of the following would be true for a reaction that has a positive AS and a positive AH? Select one: a. It is not possible to determine without more information. b. This reaction will be nonspontaneous only at high temperatures. c. This reaction will be spontaneous only at high temperatures. d. This reaction will be spontaneous at all temperatures. e. This reaction will be nonspontaneous at all temperatures. You prepared a galvanic cell using Pb(s) | Pb+2(aq) || Hg'...
N2O4(g)→2NO2(g)N2O4(g)→2NO2(g) c) Based on the K value calculated in 4c, which of the following is true...
N2O4(g)→2NO2(g)N2O4(g)→2NO2(g) c) Based on the K value calculated in 4c, which of the following is true about the reaction when it is performed at 100˚C? Select one or more: a. The reaction is nonspontaneous. b. The reaction is spontaneous.
Nonspontaneous under standard conditions
Consider the reaction:Ag+ (aq) + Cl- (aq) → AgCl (s)Given the following table of thermodynamic data,determine the temperature (in °C) above which the reaction is nonspontaneous under standard conditions.A) 1640B) 150C) 1230D) 432E) 133
Which one of the following statements is true? O H is the value of a measured...
Which one of the following statements is true? O H is the value of a measured under conditions of constant volume. The enthalpy change for a reaction is independent of the state of the reactants and products. Enthalpy is a state function. O Enthalpy is an intensive property. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. QUESTION 2 0.5 points Save Answer Given the following reactions N2 (g) + 2O2 (g) +...
Which of the following statements about enzymes is true? a. Enzymes can make a nonspontaneous reaction...
Which of the following statements about enzymes is true? a. Enzymes can make a nonspontaneous reaction spontaneous. b. As more substrate is added, the reaction will continue to occur faster and faster. c. An enzyme can couple a nonspontaneous reaction to a spontaneous reaction so that anabolic processes will occur. d. Catabolic reactions are spontaneous and do not require enzymes to occur in the cell.
Calculate AU of a gas for a process in which the gas absorbs 29 J of...
Calculate AU of a gas for a process in which the gas absorbs 29 J of heat and does 31 J of work by expanding A. 21 B. 60) C. -60J D. -2J Which of the following statements is not true for an exothermic reaction? A. Heat passes from the reaction system to the surroundings. B. The products have a higher heat content than the reactants. C. The temperature of the reaction system increases D. The enthalpy change for the...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH = -1036 k); 2 H2(g) + 3 O2(g) → 2 502(g) + 2 H20(g) AG - AH' - TAS 46 = -1036000 -(T)(-153.2) = 0 6. What is the minimum temperature required for the spontaneous conversion of Cla(I) to CCL() Given: AH"vap) is 57.3 kJ/mol and ASva) is 164 J/(mol)? AG AH - TAS = 298 K 06 = 57300 - (298)(164) 46°= 8428...
the first one is supposed to be meant spontaneous. thanks
ction to be non-spontaneous at any temperature, which of the following В. Tur a chemical reaction to b conditions must be met? AS > 0, AITO AS > 0, AIT <0 AS <0, AHP <0 AS <0, AHP>0 D. 2. Place the following in on lowing in order of decreasing standard molar entropy. N204(8) NO(g) NO2(g) 204 > NO2 > NO B) NO > NO2 > N204 E) NO2 >...
Under which of the following conditions is a process spontaneous at high temperatures and nonspontaneous at low temperatures? Select the correct answer below: O AH and AS are both positive O AH and AS are both negative O ΔH is positive and Δ.S is negative O AH is negative and AS is positive
Which of the following would be true for a reaction that has a positive AS and a positive AH? Select one: a. It is not possible to determine without more information. b. This reaction will be nonspontaneous only at high temperatures. c. This reaction will be spontaneous only at high temperatures. d. This reaction will be spontaneous at all temperatures. e. This reaction will be nonspontaneous at all temperatures. You prepared a galvanic cell using Pb(s) | Pb+2(aq) || Hg'...
Consider the reaction:Ag+ (aq) + Cl- (aq) → AgCl (s)Given the following table of thermodynamic data,determine the temperature (in °C) above which the reaction is nonspontaneous under standard conditions.A) 1640B) 150C) 1230D) 432E) 133
Which one of the following statements is true? O H is the value of a measured under conditions of constant volume. The enthalpy change for a reaction is independent of the state of the reactants and products. Enthalpy is a state function. O Enthalpy is an intensive property. The enthalpy change of a reaction is the reciprocal of the AH of the reverse reaction. QUESTION 2 0.5 points Save Answer Given the following reactions N2 (g) + 2O2 (g) +...
Calculate AU of a gas for a process in which the gas absorbs 29 J of heat and does 31 J of work by expanding A. 21 B. 60) C. -60J D. -2J Which of the following statements is not true for an exothermic reaction? A. Heat passes from the reaction system to the surroundings. B. The products have a higher heat content than the reactants. C. The temperature of the reaction system increases D. The enthalpy change for the...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH = -1036 k); 2 H2(g) + 3 O2(g) → 2 502(g) + 2 H20(g) AG - AH' - TAS 46 = -1036000 -(T)(-153.2) = 0 6. What is the minimum temperature required for the spontaneous conversion of Cla(I) to CCL() Given: AH"vap) is 57.3 kJ/mol and ASva) is 164 J/(mol)? AG AH - TAS = 298 K 06 = 57300 - (298)(164) 46°= 8428...
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