What is the characteristic of a zero order reaction regarding the concentration of the reactant?
Integrated Rate Equations

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Chemistry
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10th - 12th Grade
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The rate increases with concentration.
The rate decreases with concentration.
The rate is independent of concentration.
The rate fluctuates with concentration.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the decomposition of ammonia on a platinum surface, what role does platinum play?
Inhibitor
Catalyst
Product
Reactant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which graph represents a zero order reaction?
A curve with a decreasing slope
A straight line with a positive slope
A straight line with a negative slope
A curve with an increasing slope
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a first order reaction, what happens to the rate as the concentration of the reactant decreases?
The rate becomes zero.
The rate decreases.
The rate remains constant.
The rate increases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the half-life and concentration in a first order reaction?
Directly proportional
Inversely proportional
Independent
Exponentially related
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a zero order reaction, how does the half-life change as the reaction progresses?
It remains constant.
It decreases.
It increases.
It becomes zero.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life equation for a first order reaction?
t1/2 = k/0.693
t1/2 = 0.693/k
t1/2 = R0/2k
t1/2 = 2.303/k
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