Which of the following changes will always be true for a spontaneous reaction?  +ΔG  –ΔG  +ΔS  –ΔH

Q: Determine ΔG°rxn for the following reaction at 298 K. FeO(s) + CO(g) → Fe(s) + CO2(g) ΔH°= -11.0…

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Q: chapter 12:  9) What are ΔH°rxn, ΔS°rxn, and ΔG239.0 K for the following reactions at 239.0 K?…

A: Given Temperature = 239.0°K Compound ΔHºf (kJ/mol) Sº (J/mol • K)  H2S(g)  –20.17  205.6…

Q: When solutions containing silver ions and chloride ions are mixed, silver chloride precipitate:…

A: As you have asked multiple questions, so we will answer the 1st three question. Please mention the…

Q: Consider the reaction at 298 K: 2 NO(g) + O2(g)¡2 NO2(g) ΔG°rxn = -71.2 kJCalculate ΔGrxn under…

A: The equation for Gibbs free energy of a reaction is given below,…

Q: Which of the following processes are spontaneous and which are nonspontaneous:dissolution of sugar…

A: A Spontaneous Process can be defined as a process which has the tendency to proceed with its…

Q: Which one of the following reactions is spontaneous at all temperatures?  Group of answer choices…

A: ∆G = ∆H - T∆S For ∆H = -ve and ∆S = +ve, reaction will be spontaneous at all temperature (∆G <0)…

Q: G=ΔG°+RT·lnQ. Which of the following does NOT describe the meaning or behavior of ΔG°? a) It can…

A: ΔG° (Gibbs free energy change under standard conditions) is a measure of the maximum useful work…

Q: Consider the reaction that occurs during the Haber process:N2( g) + 3 H2( g)¡2 NH3( g)The…

A: The laboratory synthesis of ammonia by the treatment of nitrogen gas on hydrogen at moderately…

Q: What is the value of ΔG when ΔH = -24 kJ and  ΔS = -44 J/K at 283 K?

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Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: According to Thermodynamics,  ∆G>0 = non spontaneous ∆G< 0 = spontaneous ∆G = 0 , At…

Q: For a reaction to be spontaneous, the change in Gibbs free energy (AG) must be which of the…

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Q: At 25 °C, what is the Keq for a reaction where ΔH∘= –9.3 kJ/mol and ΔS∘= 75.5 J/mol·K?

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Q: Classify each of the following reactions as spontaneous only at low temperatures (i), only at high…

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Q: What is the ΔG of the following hypothetical reaction?     2A(s) + B2(g) → 2AB(g) Given: A(s) +…

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Q: NO2

A: Given values - Kp = 4.15 × 10^-50 T = 523K

Q: Given the following equation, H2O(g) + CO(g) → H2(g) + CO2(g)             ΔG°rxn = -28.6 kJ…

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Q: If a system is at equilibrium, what must be the relationship between ΔH and ΔS?

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Given the following equation, H2O(g) + CO(g) → H2(g) + CO2(g)             ΔG°rxn = -28.6 kJ…

A: The reaction given is 1) H2O(g) + CO(g) → H2(g) + CO2(g)                                 ΔG°rxn =…

Q: For a reaction   ΔH= -4.7 kJ  and  ΔS= -69.5 J/K at 25 oC.  Determine the ΔG for this reaction

A: The question is solved using Gibbs – Helmoholtz equation.

Q: For the following reaction, calculate the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG (25°C) of the following…

A: Given, H2 (g) + I2 (s) --> 2 HI (g) At 25 °C, the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG is:

Q: For the reaction   2 PF5(g) + 5 H2(g) →  2 P(g) + 10 HF(g), calculate ΔGº and determine whether the…

A: Given,

Q: chapter 12: 9) What are ΔH°rxn, ΔS°rxn, and ΔG239.0 K for the following reactions at 239.0 K?…

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Q: 4NH3(g) + 3O2(g) → 2N2(g) + 6H2O(g)     ΔrH = -1267 kJ mol-1 For the reaction above, select the…

A: The objective of the question is to determine the signs of ΔSsurr (change in entropy of the…

Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

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Q: all temperatures?     ΔHrxn 0     ΔHrxn > 0; ΔSrxn 0; ΔSrxn > 0     ΔHrxn < 0; ΔSrxn < 0

A: Gibbs free energy is a thermodynamic state function. It is a property of a system that measures the…

Q: Find ΔG°rxn for the reaction: N2O(g) + NO2(g)¡ 3 NO(g) Use the following reactions with known ΔG°rxn…

A: N2O(g)+NO2(g) → 3NO(g) : ΔG = ?    ------(1) 2NO(g)+O2(g) → 2NO2(g)   : ΔG1 = −71.2kJ      -----(2)…

Q: Calculate ΔH for the reactionNO(g) + O(g)----&gt;NO2(g)given the following information:NO(g) + O3(g)…

A: The given chemical equations are represented as modified equations given below.

Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

A: GIVEN: Chemical equation: To solve: Standard change in gibbs free energy=? Solution:

Q: Why does water spilled on the floor evaporate even though ΔG0  for the evaporation process is…

A: Because ordinary conditions are not standard conditions and standard gibbs free eenrgy applies only…

Q: During an energy exchange, a chemical system absorbs energy from its surroundings. What is the sign…

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Q: Which pure substance under standard conditions would have the highest entropy?   O2   HCl   CH3OH…

A: Standard conditions are usually defined as 298 K (25 degrees Celsius) and 1 atm of pressure. Note…