Chemical Reaction Rates Quiz
Authored by Mydhili K
Chemistry
University
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95 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When [O_2] is decreasing at 0.23 mol/L·s, at what rate is [H_2O] increasing?
0.23 mol/L·s
0.46 mol/L·s
0.12 mol/L·s
0.69 mol/L·s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction 2H_2(g) + O_2(g) → 2H_2O(g), what is the relationship between the rate of decrease of [O_2] and the rate of increase of [H_2O]?
The rate of [O_2] decrease is twice the rate of [H_2O] increase.
The rate of [O_2] decrease is half the rate of [H_2O] increase.
The rate of [O_2] decrease is equal to the rate of [H_2O] increase.
The rate of [O_2] decrease is three times the rate of [H_2O] increase.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the rate expression, how does the rate of [H_2] change compare to the rate of [O_2] change?
[H_2] changes at the same rate as [O_2].
[H_2] changes at half the rate of [O_2].
[H_2] changes at twice the rate of [O_2].
[H_2] changes at three times the rate of [O_2].
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If [NO] is decreasing at a rate of 1.60×10⁻⁴ mol/L·s, how fast is [O₂] decreasing?
3.20×10⁻⁴ mol/L·s
8.00×10⁻⁵ mol/L·s
1.60×10⁻⁴ mol/L·s
3.20×10⁻⁵ mol/L·s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When [H₂O] is increasing at a rate of 2.52×10⁻² mol/L·s, how fast is [O₂] decreasing?
6.30×10⁻³ mol/L·s
5.04×10⁻³ mol/L·s
1.26×10⁻² mol/L·s
2.52×10⁻² mol/L·s
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reaction order with respect to NO in the reaction 2NO(g) + O2(g) ⟶ 2NO2(g)?
First order
Second order
Third order
Zero order
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction CH3CHO(g) ⟶ CH4(g) + CO(g), what is the overall reaction order?
First order
Second order
Third order
Zero order
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