Question

A spontaneous reaction has a ________ value of ΔG and is favored by a ________ value...

A spontaneous reaction has a ________ value of ΔG and is favored by a ________ value of ΔH and a ________ value of ΔS.

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

The equation which relates ΔG, ΔH & ΔS is

          ΔG=ΔH-TΔS, this equation is called Gibbs-Helmholtz equation

A spontaneous reaction is favored when ΔG value is negative and is favored when ΔH is negative value and a positive value of ΔS.

This could be known from above equation, mathematically when ΔH is negative value, ΔS is positive value the overall result i.e. ΔG will be negative value at all temperatures.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
We observe a spontaneous reaction. (Knowing ΔG = ΔH - TΔS) explain teh following arguments: (a)...
We observe a spontaneous reaction. (Knowing ΔG = ΔH - TΔS) explain teh following arguments: (a) Provide a ΔH argument for why it is a spontanious reaction, (b) Provide a T argument for why it is a spontanious reaction, and (c) Provide a ΔS argument for why it is a spontanious reaction.
1- Calculate ΔG o for the following reaction at 25°C. You will have to look up...
1- Calculate ΔG o for the following reaction at 25°C. You will have to look up the thermodynamic data. 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(l) 2- A reaction will be spontaneous only at low temperatures if both ΔH and ΔS are negative. For a reaction in which ΔH = −320.1 kJ/mol and ΔS = −99.00 J/K ·mol,determine the temperature (in °C)below which the reaction is spontaneous.
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures...
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ and ΔS∘ do not change too much within the give temperature range.) A) 298K B) 733K C) 853K
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures...
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ and ΔS∘ do not change too much within the give temperature range.)    1. 298 2. 722 3. 860
Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures....
Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures. (Assume that ΔH∘ and ΔS∘ do not change too much within the given temperature range.) A. 1090 K B.1405 K C.Predict whether or not the reaction in part A will be spontaneous at 320 K . D. Predict whether or not the reaction in part B will be spontaneous at 1090. E. Predict whether or not the reaction in part C will be spontaneous...
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures...
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ and ΔS∘ do not change too much within the give temperature range.) a. 298 K b. 721 K c. 853 K
1- Above what temperature is the following reaction spontaneous? N2O4(g) ↔ 2 NO2(g) ΔH° = 57.24...
1- Above what temperature is the following reaction spontaneous? N2O4(g) ↔ 2 NO2(g) ΔH° = 57.24 kJ/mol ΔS° = 175.5 J/mol∙K Group of answer choices 326 K 53.2 K 307 K 273 K 2- Predict the sign on ΔG for the following reaction when PI2 = PH2 = 0.01 atm and PHI = 1.0 atm. H2(g) + I2(g) ↔ 2 HI(g) ΔG° = -15.94 kJ/mol & Kp,298K = 620 Group of answer choices ΔG = 0 ΔG > 0 ΔG...
The reaction CaO(s) + SO3(g) → CaSO4(s) is nonspontaneous at 2200 K, whereas it is spontaneous...
The reaction CaO(s) + SO3(g) → CaSO4(s) is nonspontaneous at 2200 K, whereas it is spontaneous at room temperature. Which of the following statements is false? A. ΔG becomes zero at a temperature between 300 and 2200 K. B. ΔG is negative at room temperature. C. The change in enthalpy is the main driving force of the reaction. D. The change in entropy is the main driving force of the reaction. E. Both ΔH and ΔS are negative for the...
Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG for this reaction at each of the following temperatures....
Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG for this reaction at each of the following temperatures. (Assume that ΔH∘ and ΔS∘ do not change too much within the given temperature range). Also determine whether the reactions in part 1 and 2 are spontaneous or nonspontaneous. 1).1095 K 2).1500K
For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, ΔG∘rxn at 25 ∘C. State whether or...
For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C? 2NH3(g)→N2H4(g)+H2(g) 2KClO3(s)→2KCl(s)+3O2(g)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT