Stoichiometry Practice and Limiting Reactant
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Lisa Thompson
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The limiting reactant
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the limiting reactant is used up, what happens?
the reaction speeds up
the reaction slows down
the reaction moves to its 2nd stage
the reaction stops
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the correct steps for determining the limiting reactant?
divide each reactant by its molar mass and look for the smallest number
balance the chemical equation and look for the smallest coefficient
divide the moles of each reactant by its coefficient and look for the smallest number
divide each reactant by Avogadro's number and look for the smallest number
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When does a reaction stop?
When it wants to
When both the limiting and excess reactants are gone
When all the excess reactant has been consumed
When all the limiting reactant has been consumed
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which reactant is the limiting reagent and why?
Hydrogen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.
Oxygen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which reactant is the limiting reagent and why?
Hydrogen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.
Oxygen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the limiting reactant if 10 moles of NH3 react with 30.0 moles of NO?
4NH3+6NO --> 5N2 + 6H2O
NH3
NO
N2
water
Tags
NGSS.HS-PS1-7
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