Chem 120 Exam 2 Question and answers
correctly solved 2025
What must occur for a reaction to take place? - correct answer ✔collision
What do you think happens to the rate of a gas phase reaction if
concentrations of reactants are increased? (temp is constant) - correct
answer ✔increases
What do you think happens to the rate of a gas phase reaction if volume of a
container is increased? (temp and moles are constant) - correct answer
✔decreases
What do you think happens to the rate of gas phase reaction when temp is
increased (moles are constant) - correct answer ✔increases
_____= the maximum energy of a reaction - correct answer ✔transition state
_____= the increase in concentration of a product per unit time or the
decrease in the concentration of a reactant per unit - correct answer
✔reaction rate
What happens to the rate of gas phase when increases the concentration of
reactants in a solution? - correct answer ✔increases
What happens to the rate of gas phase when increases the surface area of
solid reactants? - correct answer ✔increases
, What happens to the rate of gas phase when increases the pressure? -
correct answer ✔increases
If the rate of appearance of oxygen is 6.0x10^-5 M/s at a particular instant,
what is the rate of disappearance of ozone? - correct answer ✔-4.0x10^-5
look at Feb. 9 notes
_____= an equation that describes how the reaction rate depends on the
concentration of each reactant - correct answer ✔rate law
______= the proportionality constant in a ratel law - correct answer ✔rate
constant
____= the sum of the exponents for concentrations in a rate law - correct
answer ✔reaction order
____= an equation that describes how the reaction rate depends on the
concentration of each reactants - correct answer ✔rate law
____= the proportionality constant in a rate law - correct answer ✔rate
constant
____= the sum of the exponents for concentrations in a rate law - correct
answer ✔reaction order
any rate to the zeroth order equals? (ex: [A]^0=?) - correct answer ✔1
correctly solved 2025
What must occur for a reaction to take place? - correct answer ✔collision
What do you think happens to the rate of a gas phase reaction if
concentrations of reactants are increased? (temp is constant) - correct
answer ✔increases
What do you think happens to the rate of a gas phase reaction if volume of a
container is increased? (temp and moles are constant) - correct answer
✔decreases
What do you think happens to the rate of gas phase reaction when temp is
increased (moles are constant) - correct answer ✔increases
_____= the maximum energy of a reaction - correct answer ✔transition state
_____= the increase in concentration of a product per unit time or the
decrease in the concentration of a reactant per unit - correct answer
✔reaction rate
What happens to the rate of gas phase when increases the concentration of
reactants in a solution? - correct answer ✔increases
What happens to the rate of gas phase when increases the surface area of
solid reactants? - correct answer ✔increases
, What happens to the rate of gas phase when increases the pressure? -
correct answer ✔increases
If the rate of appearance of oxygen is 6.0x10^-5 M/s at a particular instant,
what is the rate of disappearance of ozone? - correct answer ✔-4.0x10^-5
look at Feb. 9 notes
_____= an equation that describes how the reaction rate depends on the
concentration of each reactant - correct answer ✔rate law
______= the proportionality constant in a ratel law - correct answer ✔rate
constant
____= the sum of the exponents for concentrations in a rate law - correct
answer ✔reaction order
____= an equation that describes how the reaction rate depends on the
concentration of each reactants - correct answer ✔rate law
____= the proportionality constant in a rate law - correct answer ✔rate
constant
____= the sum of the exponents for concentrations in a rate law - correct
answer ✔reaction order
any rate to the zeroth order equals? (ex: [A]^0=?) - correct answer ✔1
