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28 Jun 2020

If a reaction has a positive value for its enthalpy and a negative value for its entropy, which of the following is true?

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Solve problems involving entropy and Gibbs free energy

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Related questions

1. Which of the following answers correctly describe Gibbs Free Energy?

2. If a reaction has a positive enthalpy and positive entropy, how could you change the temperature of the reaction to make this reaction spontaneous?

3. If a reaction has a negative enthalpy (exothermic reaction) and a negative entropy, how would you change the temperature of the reaction to make it spontaneous?

A chemical reaction at equilibrium is heated, briefly, by holdingit over a flame. The equilibrium is seen to shift toward theproducts. What can be said about the enthalpy and entropy of thereaction?

Question 7 options:

We cannot determine the sign or the value of the entropychange

The entropy change must be negative, but we don't know thevalue

The entropy change must be positive, but we don't know thevalue

The enthalpy change cannot be determined

The enthalpy change could be negative (exothermic)

The enthalpy change could be positive (endothermic)

The sign of both the entropy and enthalpy change depends on thetemperature change

If the ÎG0' of the reaction Aâ B is -23 kJ.mol-1, under standard condition, which of the following is true?

-The entropy change (ÎS0') must be positive.

-The reaction will proceed rapidly

. -The enthalpy change (ÎH0') of this reaction must be negative.

-The reverse reaction BâA will not occur spontaneously.

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If a reaction has a positive value for its enthalpy and a negative value for its entropy, which of the following is true?

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