Gibbs Free Energy Practice Problems

Last updated about 5 years ago
15 questions
1

Calculate the change in Gibb's free energy (ΔG) for the following reactions given the free energy values provided. Which reactions can happen spontaneously?: Recall: ΔG = G (final) – G (initial)

C4H8O3N2+ H2O → 2 C2H5O2N

1

Calculate the change in Gibb's free energy (ΔG) for the following reactions given the free energy values provided. Which reactions can happen spontaneously?: Recall: ΔG = G (final) – G (initial)

C4H8O3N2+ H2O → 2 C2H5O2N

Note: Be sure to include units.

1

Is this reaction...

1

Calculate the change in Gibb's free energy (ΔG) for the following reactions given the free energy values provided. Which reactions can happen spontaneously?: Recall: ΔG = G (final) – G (initial)

H2O → H2 + ½ O2

1

Calculate the change in Gibb's free energy (ΔG) for the following reactions given the free energy values provided. Which reactions can happen spontaneously?: Recall: ΔG = G (final) – G (initial)
H2O → H2 + ½ O2

Note: Be sure to include units.

1

Is this reaction...

1

Calculate the change in Gibb's free energy (ΔG) for the following reactions given the free energy values provided. Which reactions can happen spontaneously?: Recall: ΔG = G (final) – G (initial)

3 CH4+ NH3 + 3 O2 → C3H7O2N + 4 H2O

1

Calculate the change in Gibb's free energy (ΔG) for the following reactions given the free energy values provided. Which reactions can happen spontaneously?: Recall: ΔG = G (final) – G (initial)

3 CH4+ NH3 + 3 O2 → C3H7O2N + 4 H2O

Note: Be sure to include units.

1

Is this reaction...

1

Calculate the Gibbs free energy change (ΔG) for the following chemical reaction:

ATP --> ADP + Pi

The reaction occurs at 68 °F, the change in heat (ΔH) = 19,070 cal, and the change in entropy (ΔS) = 90 cal/K.

1

Calculate the Gibbs free energy change (ΔG) for the following chemical reaction:

ATP --> ADP + Pi

The reaction occurs at 68 °F, the change in heat (ΔH) = 19,070 cal, and the change in entropy (ΔS) = 90 cal/K.

Note: Be sure to give your answer in kcal.

1

Calculate the Gibbs free energy change (ΔG) for the following chemical reaction:

glutamate + NH3 --> glutamine + H2O

The reaction occurs at 68 °F, the change in heat (ΔH) = 4103 cal, and the change in entropy (ΔS) = 2.4 cal/K.

1

Calculate the Gibbs free energy change (ΔG) for the following chemical reaction:

glutamate + NH3 --> glutamine + H2O

The reaction occurs at 68 °F, the change in heat (ΔH) = 4103 cal, and the change in entropy (ΔS) = 2.4 cal/K.

Note: Be sure to give your answer in kcal.

1

Which of the reactions occur spontaneously?

1

Which of the reactions is endergonic?