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18.01 Factors Affecting Rate of Chemical Rxn

Quiz by Kelly Gallagher

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17 questions
Show answers
  • Q1
    How quickly or slowly reactants turn into products is called the _________________.
    density
    metabolism
    Avogadro's rate
    rate of reaction
    30s
  • Q2
    Increasing the temperature causes atoms of reactants to move ___________.
    no different than at room temperature
    more quickly
    slower
    30s
  • Q3
    Decreasing the temperature of a reaction, causes atoms of reactants to move ______________.
    more qiuckly
    more slowly
    the same as at room temperature
    30s
  • Q4
    _________________ refers to how much solute is dissolved in a solution.
    molar mass
    density
    mass
    concentration
    30s
  • Q5
    Increasing the concentration of a reactant ___________ your chances that a reaction will happen.
    does not affect
    increases
    decreases
    30s
  • Q6
    Decreasing the concentration of a reactant ___________ your chances that a reaction will happen.
    decreases
    increases
    does not affect
    30s
  • Q7
    ___________ is the measure of how much area of an object is exposed.
    surface area
    density
    mass
    volume
    30s
  • Q8
    Increasing the exposed surface area ___________ your chances that a reaction will happen.
    increases
    decreases
    does not affect
    30s
  • Q9
    Decreasing the exposed surface area ___________ your chances that a reaction will happen.
    does not affect
    decreases
    increases
    30s
  • Q10
    A(n) __________ is a substance that speeds up the rate of a chemical reaction.
    enzyme
    precipitate
    reactant
    catalyst
    30s
  • Q11
    The presence of a catalyst will __________ the rate of a chemical reaction.
    have no effect on
    decrease
    increase
    30s
  • Q12
    A catalyst speeds up the rate of a chemical reaction but _____________.
    evaporates
    can also slow it down
    does not get used up
    requires more energy
    30s
  • Q13
    Decreasing the ________ will increase the rate of the reaction.
    size of the container
    concentration
    temperature
    surface area
    30s
  • Q14
    __________ is a measure of the average kinetic energy of all of the particles in a sample of matter.
    concentration
    temperature
    rate of reaction
    surface area
    30s
  • Q15
    ______________ is the minimum energy colliding particles must have in order to react.
    activation energy
    reaction rate
    collision theory
    kinetic momentum
    30s

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