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Chapter 2: Q16CP (page 39)

What is the free energy change for a reaction at equilibrium?

Short Answer

Expert verified

Therefore, the system does not workon its surroundings, there isno net change in the system's free energy.

Step by step solution

01

Gibb’s free energy

Gibbs free energy, often known as free energy, is a thermodynamic potential that aids in the calculation of maximum reversible work in a thermodynamic system under constant pressure and temperature. The maximum amount can be reached by a method that is totally reversible.

02

Free energy change at equilibrium

Thermodynamic equilibrium is defined as a situation in which there is no net flow of energy or matterbetween or within systems. When a system is in equilibrium, macroscopic change does not occur.

When a system transitions from its initial to its final state, the work done to the environment by the system is deducted from the work done by pressure forces, resulting in a drop in the free energy of the system.

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Most popular questions from this chapter

Question: What must a buffer solution include to resist changes in pH by adding acid or base?

Draw the structures of the conjugate bases of the following acids:


COO-|CH|COOHAcid COOH|CH2|NH3+Acid

(a) (b)

Sketch a diagram of a water molecule and indicate the ends that bear partial positive and negative charges.

Describe how to calculate pH from the concentration of H+ or OH-.

You have a 5mLsample of a protein in 0.5M NaCl. You place the protein/salt sample inside dialysis tubing (see Fig. 2-14) and place the bag in a large beaker of distilled water. If your goal is to remove as much NaCl from the sample as possible, which would be more effective:

(1) placing the dialysis bag in 4L of distilled water for 12h or

(2) placing the bag in 1L of distilled water for 6 h and then in another 1L of fresh distilled water for another 6h?
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