WorksheetsLG10 MHS CHEM - Stoichiometry Quizizz
Total questions: 29
Worksheet time: 2hrs 37mins
Name
Class
Date
1.
WARM-UP QUESTION
In a chemical reaction, the limiting reactant...
In a chemical reaction, the limiting reactant...
a)
remains left over after the reaction is complete.
b)
makes the most amount of product.
c)
gives the smallest quantity of reaction.
d)
has the smallest coefficient.
2.
WARM-UP QUESTION
In a chemical reaction, the theoretical yield is the...
In a chemical reaction, the theoretical yield is the...
a)
reactant that runs out first.
b)
maximum amount of product that can be made.
c)
percent of product that was actually made.
d)
maximum amount of reactant that can be consumed.
3.
WARM-UP QUESTION
In a chemical reaction, the percent yield is the...
In a chemical reaction, the percent yield is the...
a)
actual yield divided by the theoretical yield times 100%.
b)
percent of reactants used up during a reaction.
c)
percent of reactants left over after a reaction.
d)
theoretical yield divided by the actual yield times 100%.
4.
QUESTION 1
A Krabby Patty requires 2 buns (B), a krabby patty (Kp), 3 lettuce (L), 4 onions (O), secret sauce (Ss), and don't forget the 5 pickles (P). Given 204 B, 72 Kp, 135 L, 200 O, 100 Ss, and 325 P, what is the limiting reactant?
A Krabby Patty requires 2 buns (B), a krabby patty (Kp), 3 lettuce (L), 4 onions (O), secret sauce (Ss), and don't forget the 5 pickles (P). Given 204 B, 72 Kp, 135 L, 200 O, 100 Ss, and 325 P, what is the limiting reactant?
a)
Krabby Patty (Kp)
b)
Secret Sauce (Ss)
c)
Pickles (P)
d)
Lettuce (L)
5.
QUESTION 1
A Krabby Patty requires 2 buns (B), a krabby patty (Kp), 3 lettuce (L), 4 onions (O), secret sauce (Ss), and don't forget the 5 pickles (P). Given 204 B, 72 Kp, 135 L, 200 O, 100 Ss, and 325 P, what is the theoretical yield of Krabby Patties?
A Krabby Patty requires 2 buns (B), a krabby patty (Kp), 3 lettuce (L), 4 onions (O), secret sauce (Ss), and don't forget the 5 pickles (P). Given 204 B, 72 Kp, 135 L, 200 O, 100 Ss, and 325 P, what is the theoretical yield of Krabby Patties?
a)
45 Krabby Patties
b)
50 Krabby Patties
c)
72 Krabby Patties
d)
135 Krabby Patties
6.
QUESTION 2
The thermite reaction produces solid iron (Fe) per the following reaction:
2 Al + Fe2O3 → Al2O3 + 2 Fe
Given 76 moles of Al and 65 moles of Fe2O3, what is the limiting reactant for this reaction?
The thermite reaction produces solid iron (Fe) per the following reaction:
2 Al + Fe2O3 → Al2O3 + 2 Fe
Given 76 moles of Al and 65 moles of Fe2O3, what is the limiting reactant for this reaction?
a)
Al
b)
Fe2O3
c)
Al2O3
d)
Fe
7.
QUESTION 2
The thermite reaction produces solid iron (Fe) per the following reaction:
2 Al + Fe2O3 → Al2O3 + 2 Fe
Given 76 moles of Al and 65 moles of Fe2O3, what is the theoretical yield of Al2O3?
The thermite reaction produces solid iron (Fe) per the following reaction:
2 Al + Fe2O3 → Al2O3 + 2 Fe
Given 76 moles of Al and 65 moles of Fe2O3, what is the theoretical yield of Al2O3?
a)
38 mol Al2O3
b)
65 mol Al2O3
c)
76 mol Al2O3
d)
152 mol Al2O3
8.
QUESTION 2
The thermite reaction produces solid iron (Fe) per the following reaction:
2 Al + Fe2O3 → Al2O3 + 2 Fe
Given 76 moles of Al and 65 moles of Fe2O3, what is the theoretical yield of Fe?
The thermite reaction produces solid iron (Fe) per the following reaction:
2 Al + Fe2O3 → Al2O3 + 2 Fe
Given 76 moles of Al and 65 moles of Fe2O3, what is the theoretical yield of Fe?
a)
38 mol Fe
b)
65 mol Fe
c)
76 mol Fe
d)
152 mol Fe
9.
QUESTION 3
Solid calcium reacts with water to make flammable hydrogen gas per the following reaction:
Ca + 2 H2O → Ca(OH)2 + H2
Given 21 moles of H2O, how many moles of Ca are needed to complete the reaction?
Solid calcium reacts with water to make flammable hydrogen gas per the following reaction:
Ca + 2 H2O → Ca(OH)2 + H2
Given 21 moles of H2O, how many moles of Ca are needed to complete the reaction?
a)
1 mol Ca
b)
10.5 mol Ca
c)
21 mol Ca
d)
42 mol Ca
10.
QUESTION 3
Solid calcium reacts with water to make flammable hydrogen gas per the following reaction:
Ca + 2 H2O → Ca(OH)2 + H2
Given 21 moles of H2O, what is the theoretical yield of Ca(OH)2?
Solid calcium reacts with water to make flammable hydrogen gas per the following reaction:
Ca + 2 H2O → Ca(OH)2 + H2
Given 21 moles of H2O, what is the theoretical yield of Ca(OH)2?
a)
1 mol Ca(OH)2
b)
10.5 mol Ca(OH)2
c)
21 mol Ca(OH)2
d)
42 mol Ca(OH)2
11.
QUESTION 4
Ammonium nitrate decomposes per the following reaction:
2 NH4NO3 → 2 N2 + 4 H2O + O2
How many moles of NH4NO3 are required to produce 18.5 moles of H2O?
Ammonium nitrate decomposes per the following reaction:
2 NH4NO3 → 2 N2 + 4 H2O + O2
How many moles of NH4NO3 are required to produce 18.5 moles of H2O?
a)
4.625 mol NH4NO3
b)
9.25 mol NH4NO3
c)
18.5 mol NH4NO3
d)
37 mol NH4NO3
12.
QUESTION 4
Ammonium nitrate decomposes per the following reaction:
2 NH4NO3 → 2 N2 + 4 H2O + O2
How many moles of O2 will be produced if 18.5 moles of H2O are also produced?
Ammonium nitrate decomposes per the following reaction:
2 NH4NO3 → 2 N2 + 4 H2O + O2
How many moles of O2 will be produced if 18.5 moles of H2O are also produced?
a)
4.625 mol O2
b)
9.25 mol O2
c)
18.5 mol O2
d)
37 mol O2
13.
QUESTION 5
The reaction between ammonia (NH3) and nitrous oxide (NO) is given below:
4 NH3 + 6 NO → 5 N2 + 6H2O
What is the limiting reactant if 10 moles of NH3 react with 30 moles of NO?
The reaction between ammonia (NH3) and nitrous oxide (NO) is given below:
4 NH3 + 6 NO → 5 N2 + 6H2O
What is the limiting reactant if 10 moles of NH3 react with 30 moles of NO?
a)
NH3
b)
NO
c)
N2
d)
H2O
14.
QUESTION 5
The reaction between ammonia (NH3) and nitrous oxide (NO) is given below:
4 NH3 + 6 NO → 5 N2 + 6H2O
What is the theoretical yield of N2 if 10 moles of NH3 react with 30 moles of NO?
The reaction between ammonia (NH3) and nitrous oxide (NO) is given below:
4 NH3 + 6 NO → 5 N2 + 6H2O
What is the theoretical yield of N2 if 10 moles of NH3 react with 30 moles of NO?
a)
2.5 mol N2
b)
10 mol N2
c)
12.5 mol N2
d)
15 mol N2
15.
QUESTION 5
The reaction between ammonia (NH3) and nitrous oxide (NO) is given below:
4 NH3 + 6 NO → 5 N2 + 6H2O
What is the theoretical yield of H2O if 10 moles of NH3 react with 30 moles of NO?
The reaction between ammonia (NH3) and nitrous oxide (NO) is given below:
4 NH3 + 6 NO → 5 N2 + 6H2O
What is the theoretical yield of H2O if 10 moles of NH3 react with 30 moles of NO?
a)
2.5 mol H2O
b)
10 mol H2O
c)
12.5 mol H2O
d)
15 mol H2O
16.
QUESTION 6
A variation on the thermite reaction uses magnesium:
3 Mg + Fe2O3 → 3 MgO + 2 Fe
24 g/mol 160 g/mol 40 g/mol 56 g/mol
What is the limiting reactant if 100.8 g of Mg and 256 g of Fe2O3 are reacted?
A variation on the thermite reaction uses magnesium:
3 Mg + Fe2O3 → 3 MgO + 2 Fe
24 g/mol 160 g/mol 40 g/mol 56 g/mol
What is the limiting reactant if 100.8 g of Mg and 256 g of Fe2O3 are reacted?
a)
Mg
b)
Fe2O3
c)
MgO
d)
Fe
17.
QUESTION 6
A variation on the thermite reaction uses magnesium:
3 Mg + Fe2O3 → 3 MgO + 2 Fe
24 g/mol 160 g/mol 40 g/mol 56 g/mol
What is the theoretical yield in grams of MgO if 100.8 g of Mg and 256 g of Fe2O3 are reacted?
A variation on the thermite reaction uses magnesium:
3 Mg + Fe2O3 → 3 MgO + 2 Fe
24 g/mol 160 g/mol 40 g/mol 56 g/mol
What is the theoretical yield in grams of MgO if 100.8 g of Mg and 256 g of Fe2O3 are reacted?
a)
1.4 g MgO
b)
4.2 g MgO
c)
9.5 g MgO
d)
168 g MgO
18.
QUESTION 6
A variation on the thermite reaction uses magnesium:
3 Mg + Fe2O3 → 3 MgO + 2 Fe
24 g/mol 160 g/mol 40 g/mol 56 g/mol
What is the theoretical yield in grams of Fe if 100.8 g of Mg and 256 g of Fe2O3 are reacted?
A variation on the thermite reaction uses magnesium:
3 Mg + Fe2O3 → 3 MgO + 2 Fe
24 g/mol 160 g/mol 40 g/mol 56 g/mol
What is the theoretical yield in grams of Fe if 100.8 g of Mg and 256 g of Fe2O3 are reacted?
a)
2.8 g Fe
b)
56 g Fe
c)
156.8 g Fe
d)
168 g Fe
19.
QUESTION 7
The reaction between sodium iodate and hydrogen iodide produces pure iodine:
NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O
198 g/mol 128 g/mol 254 g/mol 150 g/mol 18 g/mol
What mass in grams of NaIO3 is required to produce 100 g of I2?
The reaction between sodium iodate and hydrogen iodide produces pure iodine:
NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O
198 g/mol 128 g/mol 254 g/mol 150 g/mol 18 g/mol
What mass in grams of NaIO3 is required to produce 100 g of I2?
a)
0.13 g NaIO3
b)
25.74 g NaIO3
c)
198.1 g NaIO3
d)
1523 g NaIO3
20.
QUESTION 7
The reaction between sodium iodate and hydrogen iodide produces pure iodine:
NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O
198 g/mol 128 g/mol 254 g/mol 150 g/mol 18 g/mol
What mass in grams of HI is required to produce 100 g of I2?
The reaction between sodium iodate and hydrogen iodide produces pure iodine:
NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O
198 g/mol 128 g/mol 254 g/mol 150 g/mol 18 g/mol
What mass in grams of HI is required to produce 100 g of I2?
a)
0.78 g NaIO3
b)
99.84 g NaIO3
c)
128 g NaIO3
d)
164.3 g NaIO3
21.
QUESTION 7
The reaction between sodium iodate and hydrogen iodide produces pure iodine:
NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O
198 g/mol 128 g/mol 254 g/mol 150 g/mol 18 g/mol
If 100 g of I2 are produced, what mass in grams of NaI will also be produced?
The reaction between sodium iodate and hydrogen iodide produces pure iodine:
NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O
198 g/mol 128 g/mol 254 g/mol 150 g/mol 18 g/mol
If 100 g of I2 are produced, what mass in grams of NaI will also be produced?
a)
0.13 g NaI
b)
15.2 g NaI
c)
19.5 g NaI
d)
150 g NaI
22.
QUESTION 8
The reaction of diphosphorous pentoxide with water produces phosphoric acid:
P2O5 + 3 H2O → 2 H3PO4
142 g/mol 18 g/mol ______ g/mol
If 170.4 g of P2O5 are reacted with excess water, what mass of H3PO4 will be produced?
The reaction of diphosphorous pentoxide with water produces phosphoric acid:
P2O5 + 3 H2O → 2 H3PO4
142 g/mol 18 g/mol ______ g/mol
If 170.4 g of P2O5 are reacted with excess water, what mass of H3PO4 will be produced?
a)
1.2 g H3PO4
b)
2.4 g H3PO4
c)
98.0 g H3PO4
d)
235.2 g H3PO4
23.
QUESTION 8
The reaction of diphosphorous pentoxide with water produces phosphoric acid:
P2O5 + 3 H2O → 2 H3PO4
142 g/mol 18 g/mol ______ g/mol
If 170.4 g of P2O5 are reacted with excess water, and 211.4 g of H3PO4 are produced, what is the percent yield of the reaction?
The reaction of diphosphorous pentoxide with water produces phosphoric acid:
P2O5 + 3 H2O → 2 H3PO4
142 g/mol 18 g/mol ______ g/mol
If 170.4 g of P2O5 are reacted with excess water, and 211.4 g of H3PO4 are produced, what is the percent yield of the reaction?
a)
85.2 %
b)
89.9 %
c)
100 %
d)
111.3 %
24.
QUESTION 9
The combustion of propane with oxygen produces the following reaction:
C3H8 + 5 O2 → 3 CO2 + 4 H2O
What mass of propane (C3H8) in gram is required to produce 150 g of CO2?
The combustion of propane with oxygen produces the following reaction:
C3H8 + 5 O2 → 3 CO2 + 4 H2O
What mass of propane (C3H8) in gram is required to produce 150 g of CO2?
a)
1.13 g C3H8
b)
3.4 g C3H8
c)
44 g C3H8
d)
50 g C3H8
25.
QUESTION 9
The combustion of propane with oxygen produces the following reaction:
C3H8 + 5 O2 → 3 CO2 + 4 H2O
What mass of oxygen (O2) in gram is required to produce 150 g of CO2?
The combustion of propane with oxygen produces the following reaction:
C3H8 + 5 O2 → 3 CO2 + 4 H2O
What mass of oxygen (O2) in gram is required to produce 150 g of CO2?
a)
1.13 g O2
b)
5.65 g O2
c)
36.16 g O2
d)
180.8 g O2
26.
QUESTION 10
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, what is the limiting reactant for the reaction?
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, what is the limiting reactant for the reaction?
a)
C10H8
b)
O2
c)
CO2
d)
H2O
27.
QUESTION 10
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, what is the theoretical yield (in grams) of CO2?
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, what is the theoretical yield (in grams) of CO2?
a)
8.75 g CO2
b)
38.5 g CO2
c)
44.0 g CO2
d)
385 g CO2
28.
QUESTION 10
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, what is the theoretical yield (in grams) of H2O?
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, what is the theoretical yield (in grams) of H2O?
a)
3.5 g H2O
b)
20.5 g H2O
c)
63 g H2O
d)
68 g H2O
29.
QUESTION 10
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, and only 327 g of CO2 are produced, what is the percent yield?
The combustion of naphthalene (C10H8) with oxygen produces the following reaction:
C10H8 + 12 O2 → 10 CO2 + 4 H2O
If 10.5 mol C10H8 is reacted with 10.5 mol of O2, and only 327 g of CO2 are produced, what is the percent yield?
a)
11.4 %
b)
80 %
c)
85 %
d)
89.1 %
100 %
