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Gibbs Free Energy Solutions Library

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19 solutions

Gibbs Free Energy

Q. Which of the following has ΔG°f = 0 at 25°C?a. O3(g)b. O(g)c. H2O(g)d. H2O(l)e. Na(s) 

Solved • Jul 17, 2018

Gibbs Free Energy

Q. Use the energy diagram for the reaction A → D to answer the questions.

Solved • Jun 16, 2018

Gibbs Free Energy

Q. Predict the sign of ΔG for an endothermic reaction with a decrease in entropy. a) cannot predict b) positive c) negative d) no change e) Aquar...

Solved • May 5, 2017

Gibbs Free Energy

Q. Which of the following correctly describes the reaction shown?A) ΔH° >0 and ΔS° >0B) ΔH° <0 and ΔS <0C) ΔH° >0 and ΔS <0D) ΔH° = ...

Solved • Mar 2, 2017

Gibbs Free Energy

Q. For the following, circle the capitalized word that best completes the statement.In general, it is best to think of alkenes and alkynes as NUCLEOPH...

Solved • Feb 6, 2017

Gibbs Free Energy

Q. In an acid base reaction where the products predominates, ΔG° < 0 ( True or False )

Solved • Sep 28, 2016

Gibbs Free Energy

Q. The reaction of chloroethane with water in the gas phase to produce ethanol and hydrogen chloride has ΔH° = +26.6 kJ mol -1 and ΔS° = +4.81 J K-1 m...

Solved • Jun 22, 2016

Gibbs Free Energy

Q. The iodination of ethylene at 25°C is characterized by the thermodynamic values shown. H2C = CH2(g) + I2(g) ⇌ lCH2CH2l(g)     ΔH° = - 48 kJ; ΔS° =...

Solved • Jun 15, 2016

Gibbs Free Energy

Q. Complete the following table by adding + and - signs to the ΔH° and ΔS° columns so as to correspond to the effect of temperature on a reversible ...

Solved • Jun 15, 2016

Gibbs Free Energy

Q. Classify states 2–4 in the potential energy diagram.A. 2, 3, and 4 are transition statesB. 2, 3, and 4 are reactive intermediatesC. 2 and 4 are tra...

Solved • Jun 14, 2016

Gibbs Free Energy

Q. Consider the following reaction: (f) Would you expect an increase in temperature to have a significant impact on the position of equilibrium (equi...

Solved • Jun 7, 2016

Gibbs Free Energy

Q. Consider the following reaction: (e) Is ΔG for this process positive or negative?  

Solved • Jun 7, 2016

Gibbs Free Energy

Q. Identify all transition states and intermediates on the following energy diagram:

Solved • Jun 2, 2016

Gibbs Free Energy

Q. Consider the following four energy diagrams: Compare diagrams A and D. Which has a positive ΔG?  

Solved • Jun 2, 2016

Gibbs Free Energy

Q. Consider the following four energy diagrams: Compare diagrams A and C. Which has a negative ΔG?

Solved • Jun 2, 2016

Gibbs Free Energy

Q. Consider the following reaction: Is the magnitude of ΔG dependent on temperature?

Solved • Jun 2, 2016

Gibbs Free Energy

Q. Consider the following reaction: Is the sign of ΔG dependent on temperature?

Solved • Jun 2, 2016

Gibbs Free Energy

Q. Consider the following reaction: Determine the sign of ΔG,

Solved • Jun 2, 2016

Gibbs Free Energy

Q. Predict the sign of ΔG for an exothermic reaction with an increase in entropy. a) cannot predict b) positive c) negative d) no change e) Aquar...

Solved • Mar 15, 2016