The rate law for a reaction is rate = k [A][B]2, Which one of the following statements is false? If [B] is doubled, the reaction rate will increase by a factor of 4. The reaction is second order in B. The reaction is first order in A. k is the reaction rate constant The reaction is second order overall. Activation energy is the amount of energy required to? break the bonds between the reacting molecules convert the reactants into the activation complex make the reacting particles collide form the bonds between the product molecules The rate of a chemical reaction normally? Increase as temperature decreases decreases when a catalyst is added increases as reactant concentration increases decrease as reactant concentration increases The series of steps that most reactions undergo, from initial reactants to final products is called the? catalytic conversion entropy of reaction activation energy reaction mechanism In general , an increase in temperature of 100 C will have what effect on reaction rate: doubled the rate triple the rate half the rate increase the rate but not by a specific amount What happens to a catalyst in a reaction? it remains unchanged it is incorporated into the reactant it is incorporated into the products. it evaporates The rate law of the overall reaction A + B ¬ C is rate = k[A]2. Which of the following will not increase the rate of the reaction? increasing the concentration of reactant A increasing the temperature of the reaction increasing the concentration of reactant B adding a catalyst for the reaction All of these will increase the rate. which of the following, __________ will lower the activation energy for a reaction? increasing the concentrations of reactants adding a catalyst for the reaction raising the temperature of the reaction removing products as the reaction proceeds The mechanism for formation of the product X is:A + B ¬ C + D (slow), B + D ¬ X (fast) ,The intermediate reactant in the reaction is ? A D C B A burning splint will burn more vigorously in pure oxygen than in air because ? nitrogen is a reactant in combustion and its low concentration in pure oxygen catalyzes the combustion. oxygen is a reactant in combustion and the concentration of oxygen is higher in pure oxygen than it is in oxygen is a product of combustion. nitrogen is a product of combustion and the system reaches equilibrium at a lower temperature. oxygen is a catalyst for combustion increasing the pressure
The rate law for a reaction is rate = k [A][B]2, Which one of the following statements is false?
If [B] is doubled, the
The reaction is second order in B.
The reaction is first order in A.
k is the reaction rate constant
The reaction is second order overall.
Activation energy is the amount of energy required to?
break the bonds between the reacting molecules
convert the reactants into the activation complex
make the reacting particles collide
form the bonds between the product molecules
The rate of a
Increase as temperature decreases
decreases when a catalyst is added
increases as reactant concentration increases
decrease as reactant concentration increases
The series of steps that most reactions undergo, from initial reactants to final products is called the?
catalytic conversion
entropy of reaction
activation energy
reaction mechanism
In general , an increase in temperature of 100 C will have what effect on reaction rate:
doubled the rate
triple the rate
half the rate
increase the rate but not by a specific amount
What happens to a catalyst in a reaction?
it remains unchanged
it is incorporated into the reactant
it is incorporated into the products.
it evaporates
The rate law of the overall reaction A + B ¬ C is rate = k[A]2. Which of the following will not increase the rate of the reaction?
increasing the concentration of reactant A
increasing the temperature of the reaction
increasing the concentration of reactant B
adding a catalyst for the reaction
All of these will increase the rate.
which of the following, __________ will lower the activation energy for a reaction?
increasing the concentrations of reactants
adding a catalyst for the reaction
raising the temperature of the reaction
removing products as the reaction proceeds
The mechanism for formation of the product X is:A + B ¬ C + D (slow), B + D ¬ X (fast) ,The intermediate reactant in the reaction is ?
A
D
C
B
A burning splint will burn more vigorously in pure oxygen than in air because ?
nitrogen is a reactant in combustion and its low concentration in pure oxygen catalyzes the combustion.
oxygen is a reactant in combustion and the concentration of oxygen is higher in pure oxygen than it is in
oxygen is a product of combustion.
nitrogen is a product of combustion and the system reaches equilibrium at a lower temperature.
oxygen is a catalyst for combustion
increasing the pressure
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