What is the balanced chemical equation for the combustion of propane?

Chemical Reactions and Dimensional Analysis

Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C3H8 + 6O2 → 3CO2 + 4H2O
C3H8 + 4O2 → 3CO2 + 5H2O
C3H8 + 5O2 → 3CO2 + 4H2O
C3H8 + 5O2 → 4CO2 + 3H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of O2 are required to react with 1 mole of C3H8?
5 moles
6 moles
3 moles
4 moles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an equality derived from the balanced equation?
1 mole of C3H8 = 6 moles of O2
1 mole of C3H8 = 4 moles of CO2
1 mole of C3H8 = 5 moles of H2O
1 mole of C3H8 = 3 moles of CO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a conversion factor in the context of dimensional analysis?
A ratio used to convert between different units
A constant used to balance chemical equations
A method to calculate molecular weight
A tool to measure reaction rates
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you start with 2 moles of C3H8, how many moles of O2 are needed to react completely?
5 moles
20 moles
10 moles
15 moles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example problem, what is the ratio of C3H8 to O2?
1:3
1:4
1:5
1:6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of O2 are required to produce 11 moles of H2O?
16.75 moles
15.75 moles
14.75 moles
13.75 moles
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