Chemical Equilibrium and Gas Laws Quiz
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Questions and Answers

What is chemical equilibrium?

  • When a reaction stops completely
  • When a reaction and its reverse reaction proceed at the same rate (correct)
  • When a reaction only happens in one direction
  • When a reaction produces more products than reactants

    • What is chemical equilibrium?

  • When a reaction and its reverse reaction proceed at different rates
  • When a reaction and its reverse reaction proceed at the same rate (correct)
  • When a reaction stops completely
  • When a reaction proceeds in only one direction

    • What is chemical equilibrium?

  • When a reaction stops completely
  • When a reaction proceeds slower than its reverse reaction
  • When a reaction and its reverse reaction proceed at the same rate (correct)
  • When a reaction proceeds faster than its reverse reaction

    • What is the difference between homogeneous and heterogeneous equilibrium?

    <p>Homogeneous equilibrium occurs when the products and reactants of an equilibrium reaction form a single phase, while heterogeneous equilibrium occurs when the reactant and products are in the same phase.</p> Signup and view all the answers

    What is the difference between homogeneous and heterogeneous equilibrium?

    <p>Homogeneous equilibrium occurs when the products and reactants of an equilibrium reaction form a single phase, while heterogeneous equilibrium occurs when the reactant, products, or both are in more than one phase</p> Signup and view all the answers

    What is the difference between homogeneous and heterogeneous equilibrium?

    <p>Homogeneous equilibrium occurs when the products and reactants of an equilibrium reaction form a single phase, while heterogeneous equilibrium occurs when the reactant, products, or both are in more than one phase</p> Signup and view all the answers

    What is the difference between KC and KP?

    <p>KC is based on molar concentrations, while KP is based on partial pressures of gases</p> Signup and view all the answers

    What is KC?

    <p>A way to define equilibrium based on molar concentrations</p> Signup and view all the answers

    What is the difference between KC and KP?

    <p>KC is based on molar concentrations, while KP is based on partial pressures of gasses.</p> Signup and view all the answers

    What is the Kinetic Molecular Theory?

    <p>Matter is made of tiny particles called molecules that are in constant random motion and possess kinetic and potential energy.</p> Signup and view all the answers

    What is the kinetic molecular theory?

    <p>Matter is made of tiny particles called molecules that are in constant random motion and possess kinetic and potential energy</p> Signup and view all the answers

    What is the kinetic molecular theory?

    <p>Matter is made of tiny particles called molecules that are in constant random motion and possess kinetic and potential energy</p> Signup and view all the answers

    What is atmospheric pressure?

    <p>The pressure exerted on us by the weight of gases in the atmosphere and decreases with height.</p> Signup and view all the answers

    What is atmospheric pressure?

    <p>The pressure exerted on us by the weight of gases in the atmosphere and decreases with height</p> Signup and view all the answers

    What is atmospheric pressure?

    <p>The pressure exerted on us by the weight of gases in the atmosphere and decreases with height</p> Signup and view all the answers

    What is Boyle's law?

    <p>For a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure</p> Signup and view all the answers

    What is Boyle's law?

    <p>For a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure</p> Signup and view all the answers

    What is the relationship between volume and pressure according to Boyle's law?

    <p>The volume of the gas varies inversely with pressure.</p> Signup and view all the answers

    What is Charles's law?

    <p>The volume of a fixed mass of gas is directly proportional to its Kelvin temperature if the pressure is kept constant</p> Signup and view all the answers

    What is the combined gas law?

    <p>Describes the relationship among pressure, volume, and temperature when only the amount of gas is constant.</p> Signup and view all the answers

    What is Charles's law?

    <p>The volume of a fixed mass of gas is directly proportional to its Kelvin temperature if the pressure is kept constant</p> Signup and view all the answers

    Study Notes

    Summary Title: The Principles of Chemical Equilibrium and Gas Laws

    • Chemical equilibrium occurs when a reaction and its reverse reaction proceed at the same rate.
    • Equilibrium is reached when there is no net change in the concentration of reactants and products.
    • Homogeneous equilibrium occurs when the products and reactants of an equilibrium reaction form a single phase.
    • Heterogeneous equilibrium occurs when the reactant, products, or both are in more than one phase.
    • KC and KP are ways to define equilibrium and are based on molar concentrations and partial pressures of gasses, respectively.
    • Kinetic molecular theory explains that matter is made of tiny particles called molecules that are in constant random motion and possess kinetic and potential energy.
    • Pressure is the force exerted by gas molecules colliding with the walls of a container and depends on the number of impacts per unit time and the force of each impact.
    • Atmospheric pressure is the pressure exerted on us by the weight of gases in the atmosphere and decreases with height.
    • Temperature is the measure of the average kinetic energy of the particles in a gas, and the hotter the temperature of gas is, the faster its molecules move.
    • Boyle's law states that for a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure.
    • Charles's law states that the volume of a fixed mass of gas is directly proportional to its Kelvin temperature if the pressure is kept constant.
    • Gay-Lussac's law states that the pressure of a gas is directly proportional to the Kelvin temperature if the volume remains constant.
    • The combined gas law describes the relationship among pressure, volume, and temperature when only the amount of gas is constant.

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    Description

    Test your understanding of chemical equilibrium and gas laws with this quiz. From the principles of chemical equilibrium to the different types of equilibrium, such as homogeneous and heterogeneous, this quiz covers it all. You'll also need to know the various ways to define equilibrium, including KC and KP. Additionally, you'll be asked about the kinetic molecular theory, pressure, temperature, and the laws of Boyle, Charles, and Gay-Lussac. Take this quiz and see how well you understand these important concepts in chemistry

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