
Reactions and Stoichiometry
Authored by Hannah Pollard
Chemistry
11th Grade
NGSS covered
Used 6+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
H2 + O2 → H2O (balance the reaction!!)
How many moles of water can be produced if 8 moles H2 are used?
4 moles
8 moles
16 moles
2 moles
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2 NaClO3 (s) --> 2NaCl (s) +3 O2 (g)
12.00 moles of NaClO3 will produce how many grams of O2?
256 g of O2
576 g of O2
288 g O2
2.41 g O2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Balance the following reaction :
CaC2(s) + H2O(l) --> C2H2(g) + Ca(OH)2(aq)
1,2,2,2
1,2,1,1
2,1,1,1
2,1,2,1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
WO3 + H2 --> W + H2O
What coefficient goes in front of H2?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
Tags
NGSS.HS-PS1-7
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