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Questions and Answers
What does the change in Gibbs free energy (∆G) determine?
What does the change in Gibbs free energy (∆G) determine?
- The rate of a chemical reaction
- Whether a given chemical change is thermodynamically possible or not (correct)
- The concentration of reactants and products
- The activation energy of a reaction
What does the change in enthalpy (∆H) measure?
What does the change in enthalpy (∆H) measure?
- The activation energy of a reaction
- The heat content of a system at constant pressure (correct)
- The concentration of reactants and products
- The rate of a chemical reaction
What does a negative ∆G indicate about the reactants and products?
What does a negative ∆G indicate about the reactants and products?
- The products have more free energy than the reactants
- The reaction has stopped
- The reactants have more free energy than the products (correct)
- The reaction has reached equilibrium
What does a positive change in enthalpy indicate about a reaction?
What does a positive change in enthalpy indicate about a reaction?
What does entropy measure in a system?
What does entropy measure in a system?
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