Stoichiometry
Quiz
•
Chemistry
•
10th Grade
•
Medium
Standards-aligned
Juan Hernandez
Used 132+ times
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15 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
1 N2 + 3 H2 → 2NH3
How many moles of hydrogen, H2, are needed to react with 2.00 mol of nitrogen, N2?
(a) mol N2 ÷ (b) mol N2 x (c) mol H2 = (d) mol H2
Tags
112.43.c.9.C
2.
MATH RESPONSE QUESTION
1 min • 1 pt
2H2 + O2 → 2H2O
How many moles of water, H2O, can be produced if 8.00 moles of H2 are used? (Show your work and answer)
Mathematical Equivalence
ON
Tags
112.43.c.9.C
3.
DROPDOWN QUESTION
1 min • 1 pt
3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe
Identify the mole ratios for the following pairs:
(a) Mg : (b) Fe
(c) Fe2O3 : (d) Fe
1 Fe2O3 : (e) MgO
Tags
112.43.c.9.C
4.
DRAG AND DROP QUESTION
1 min • 1 pt
1 Cl2 + 2 KBr → 1 Br2 + 2 KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
(a) + 35 = 74g x 2 = 148g 39 + 80 = (b) g x 2 = 238g
(c) / (d) x 148 = (e) g
Tags
112.43.c.9.C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 CH4 + 2 O2 → 1 CO2 + 2 H2O
How many moles of carbon dioxide (CO2) are produced from the combustion of 110.0 g of CH4 (molar mass = 16 g)?
13.7 mol
2.75 mol
6.85 mol
6.11 mol
Tags
112.43.c.9.C
6.
DROPDOWN QUESTION
1 min • 1 pt
1 B2H5 + 3 O2 → 2 HBO2 + 2 H2O
What mass of O2 will be needed to burn 36.1 g of B2H5?
16 x 2 = (a) x 3 = 96 g (11 x 2) + (1 x 5) = 27 g
(b) / (c) x (d) = (e) g
Tags
112.43.c.9.C
7.
DRAG AND DROP QUESTION
1 min • 1 pt
Balance the following reaction:
(a) CaC2 + (b) H2O → (c) C2H2 + (d) Ca(OH)2
Tags
112.43.c.9.C
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