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Kinetics and Equilibrium Questions - All Grades

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Grade 9 Kinetics and Equilibrium
According to Charles' Law, when the temperature of a gas increases, the
  1. pressure of the gas decreases.
  2. density of the gas increases.
  3. volume of the gas increases.
  4. volume of the gas decreases.
  5. density of the gas decreases.
Grade 5 Kinetics and Equilibrium
Water freezes at 32 degrees                      .
  1. Celsius
  2. Fahrenheit
  3. Celsius or Fahrenheit
Grade 11 Kinetics and Equilibrium
Which of the following is true for a chemical reaction at equilibrium?
  1. only the forward reaction stops
  2. only the reverse reaction stops
  3. both the forward and reverse reactions stop
  4. rates of both forward and reverse reactions are the same
Grade 8 Kinetics and Equilibrium
The temperature of one glass of water is 100ºC, and the temperature of another glass of water is 0ºC. Both glasses contain the same amount of water. Which of the following is a correct statement about the two glasses of water?
  1. The molecules of the cold water are larger.
  2. The molecules of the warm water are larger.
  3. The molecules of the warm water have more energy.
  4. The molecules of the cold water have more energy.
Grade 8 Kinetics and Equilibrium
When a substance is heated, its particles gain kinetic energy.
  1. True
  2. False
Grade 2 Kinetics and Equilibrium
How can you change a liquid to a solid?
  1. Leave it in the Sun.
  2. Put it in the freezer.
  3. Boil the liquid.
Grade 8 Kinetics and Equilibrium
During which process must thermal energy be removed from a material?
  1. freezing to liquid
  2. condensation to liquid
  3. liquid to vaporization
  4. none of the above
Grade 8 Kinetics and Equilibrium
As a substance changes from a liquid to a gas, the distance between its particles                         .
  1. decreases
  2. increases
  3. stays the same
  4. increases then decreases
Grade 11 Kinetics and Equilibrium
Acid hydrolysis of methyl acetate is an example of a(n)                      .
  1. third-order reaction
  2. zero-order reaction
  3. second-order reaction
  4. first-order reaction
Grade 11 Kinetics and Equilibrium
As the temperature of the solid surface increases, the extent of adsorption of a gas                               .
  1. increases
  2. decreases
  3. remains unchanged
  4. first increases then decreases
Grade 5 Kinetics and Equilibrium
Particles in a gas move freely.
  1. True
  2. False
Grade 10 Kinetics and Equilibrium
What is the state in which the forward and reverse paths of a change take place at the same rate called?
  1. balanced
  2. equilibrium
  3. stagnent
  4. continuous
Grade 10 Kinetics and Equilibrium
Which two processes are involved in the phase equilibrium between a solid and a liquid?
  1. Melting and Evaporation
  2. Evaporation and Condensation
  3. Sublimation and Deposition
  4. Melting and Freezing
Grade 6 Kinetics and Equilibrium
At a temperature of absolute zero, molecules STOP moving.
  1. True
  2. False
Grade 11 Kinetics and Equilibrium
Which of the following is true for a chemical reaction at equilibrium?
  1. only the forward reaction stops
  2. only the reverse reaction stops
  3. both forward and reverse reaction stops
  4. rates of both forward and reverse reactions are the same
Grade 11 Kinetics and Equilibrium
A chemical equilibrium may be established by starting a reaction with                                         .
  1. reactants only
  2. products only
  3. any quantities of reactants and products
  4. all of the above
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