5.3 Concentration Changes Over Time
12th Grade
•5 Qs
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5.3 Concentration Changes Over Time
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Heather Yaros-Ramos
Used 2+ times
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5 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In a previous example, the following reaction was determined to be 1st order:
2N2O5(g) → 4NO2(g) + O2(g)
If [N2O5]0 = 0.010 M, and at t = 240 s, [N2O5] = 0.0035 M.
Calculate t½ for the reaction at this temperature.
Tags
NGSS.HS-PS1-5
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In a previous example, the following reaction was determined to be 1st order:
2N2O5(g) → 4NO2(g) + O2(g)
If [N2O5]0 = 0.010 M, and at t = 240 s, [N2O5] = 0.0035 M.
What time would be required for the [N2O5] = 1/32 its original concentration?
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the order of the reaction with respect to CO(NH2)2?
Justify your answer.
zero order
1st order
2nd order
Tags
NGSS.HS-PS1-5
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.Determine the value of the rate constant k for this decomposition reaction at 90oC. Include units in your answer.
Tags
NGSS.HS-PS1-5
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
3.Calculate the expected value for the concentration of CO(NH2)2 in this experiment after 35 hours are passed.
Tags
NGSS.HS-PS1-5
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