Podcast
Questions and Answers
What is the key to understanding equilibrium?
What is the key to understanding equilibrium?
- The second law of thermodynamics only
- The concept of chemical equilibrium
- Entropy and the second law of thermodynamics (correct)
- The first law of thermodynamics
What happens to the entropy of an isolated system as it approaches equilibrium?
What happens to the entropy of an isolated system as it approaches equilibrium?
- It fluctuates randomly
- It increases to a maximum (correct)
- It remains constant
- It decreases to a minimum
What characterizes a state of chemical equilibrium?
What characterizes a state of chemical equilibrium?
- A complete conversion of reactants to products
- A balance between two opposing forces or processes (correct)
- A constant increase in reactant concentration
- A permanent cessation of reaction
What happens to the rates of forward and reverse reactions in a reversible reaction as it approaches equilibrium?
What happens to the rates of forward and reverse reactions in a reversible reaction as it approaches equilibrium?
What is the result of keeping the components of a reversible reaction together in a sealed container?
What is the result of keeping the components of a reversible reaction together in a sealed container?
What is the state of the reaction when the forward and reverse reactions are occurring at the same rate?
What is the state of the reaction when the forward and reverse reactions are occurring at the same rate?
What is true about the concentrations of reactants and products at equilibrium?
What is true about the concentrations of reactants and products at equilibrium?
What happens to the forward reaction rate as the concentration of HI increases?
What happens to the forward reaction rate as the concentration of HI increases?
What is the initial reaction that occurs when equal molar concentrations of gaseous H2 and I2 are mixed and allowed to react in a closed vessel?
What is the initial reaction that occurs when equal molar concentrations of gaseous H2 and I2 are mixed and allowed to react in a closed vessel?
What is the condition required for the reaction to reach a state of chemical equilibrium?
What is the condition required for the reaction to reach a state of chemical equilibrium?
