Stoich Practice
Authored by Kaylyn Davenport
Chemistry
9th Grade
NGSS covered
Used 5+ times
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7 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Q1A: Magnesium reacts with hydrochloric acid (HCl) to produce magnesium chloride and hydrogen gas (H2). Write the balanced chemical formula.
(a)
Tags
NGSS.HS-PS1-7
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Q1B: How many moles of MgCl₂ will be produced if 0.50 moles of Mg reacts with excess HCl?
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Q2A: Propane (C₃H₈) combusts in oxygen gas (O2) to produce carbon dioxide and water. Write the balanced chemical equation.
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Q2B: How many moles of CO₂ are produced when 2.00 moles of C₃H₈ are combusted?
(a)
Tags
NGSS.HS-PS1-7
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Q3A: Water decomposes into hydrogen and oxygen gas (O2). Write the balanced equation.
(a)
Tags
NGSS.HS-PS1-7
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Q3B: How many moles of H₂ gas will be produced if 5.00 moles of H₂O decompose?
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Chemical Formula: CH4 + 2O2 = CO2 + H2O2
If 8 moles of O2 are available, how many moles of CO2 will be produced?
(a)
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