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Chapter 10 Homework
1.
Answer the questions using the following equation
4NH
3
+ 5O
2
4 NO + 6 H
2
O
a.
How many moles of NH
3
will react with 95.3 moles of oxygen?
76.2 mol NH
3
b.
How many moles of nitrogen monoxide will result from the reaction of 2.89 moles of ammonia (NH
3
)? 2.89 mol NO
c.
If 3.35 moles of water is produced, how many moles of nitrogen monoxide will also be produced? 2.23 mol NO
2.
In our bodies, sugar (C
6
H
12
O
6
)is broken down by reacting with oxygen to produce water and carbon dioxide. a.
Write the balanced chemical equation for this reaction.
C
6
H
12
O
6 + 6O
2
6CO
2
+ 6H
2
O
b.
How many moles of carbon dioxide will be formed upon the complete reaction of 0.424 moles of glucose sugar, C
6
H
12
O
6
and excess oxygen?
2.54 mol CO
2
3.
Butane, C
4
H
10
, is a common fuel used for heating homes not served by natural gas. a.
Write the balanced chemical equation for the combustion of butane.
2C
4
H
10
+ 13O
2
8 CO
2
+ 10 H
2
O
b.
How many grams of butane can be burned by 1.42 moles of oxygen?
12.7 g C
4
H
10
c.
If 9.43 g of oxygen is used in burning butane, how many moles of water result?
0.227 mol H
2
O
d.
Calculate the number of grams of carbon dioxide that will be produced by burning 78.4 grams of butane. 238 g CO
2
e.
How many grams of oxygen are used in a reaction that produces 43.8 grams of water?
101 g O
2
4.
The explosion of nitroglycerine is described by the equation
4C
3
H
5
(NO
3
)
3
12CO
2
+ 10 H
2
O + 6N
2
+ O
2
How many grams of carbon dioxide are produced by the explosion of 21.0 grams of nitroglycerine.
12.2 g CO
2
5.
One way to make sodium thiosulfate (aka “hypo” used in photographis developing) is described by the equation
Na
2
CO
3
+ 2Na
2
S + 4SO
2
3Na
2
S
2
O
3
+ CO
2
1
Chapter 10 Homework
How many grams of sodium sulfide are required to produce 681 grams of sodium thiosulfate?
224g Na
2
S
6.
If a sample contains 0.802 g of tetraphosphorus decoxide, how many grams of Fe
2
O
3
was used in
making it?
12 P + 10 Fe
2
O
3
3P
4
O
10
+ 20 Fe
1.50g Fe
2
O
3
7.
How much NaCl (in grams) is needed to react completely with 83.0 grams of ammonium hydrogen carbonate.
NaCl + NH
4
HCO
3
NaHCO
3
+ NH
4
Cl
61.4g NaCl
8.
What mass of magnesium hydroxide will precipitate if 2.09 grams of potassium hydroxide is added to a magnesium nitrate solution? (HINT: write a balanced reaction first)
2KOH + Mg(NO
3
)
2
Mg(OH)
2
+ 2KNO
3
; 1.09g Mg(OH)
2
9.
In a dry cell battery, zinc reacts with ammonium chloride to form zinc chloride, ammonia, and hydrogen. Calculate the number of grams of zinc consumed during the release of 7.05 grams of ammonia. (HINT: write a balanced reaction first)
Zn + 2NH
4
Cl
ZnCl
2
+ 2NH
3
+ H2; 13.5g Zn
10.3 Percent Yield
10.
The function of “hypo” in photographic developing is to remove excess silver bromide by the reaction
2 Na
2
S
2
O
3
+ AgBr
Na
3
Ag(S
2
O
3
)
2
+ NaBr
a.
How many grams of sodium bromide will 8.18 grams of sodium thiosulfate produce?
2.66g NaBr
b.
What is the percent yield if the actual yield is 2.61 grams of sodium bromide?
98.1%
11.
Using the following reaction
6CO
2
+ 6H
2
O
C
6
H
12
O
6
+ 6O
2
a.
How many grams of glucose are produced from 7.03 grams of carbon dioxide?
4.80 g C
6
H
12
O
6
b.
What is the percent yield if the actual yield is 3.92 grams of carbon dioxide?
81.7%
10.4 Limiting Reactants
2
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Related Questions
Jj.46.
If 52.0 g of AgNO₃ react with 28.6 g of H₂SO₄ according to this UNBALANCED equation below, how many grams of Ag₂SO₄ could be formed? AgNO₃(aq) + H₂SO₄ (aq) → Ag₂SO₄ (s) + HNO₃ (aq)
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In the equation - 2HgO(s) --> 2Hg(l) + O2(g) How many moles of HgO are needed to produce 2 moles of O2?
(a) 8 moles
(b) 6 moles
(c) 2 moles
(d) 4 moles
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Lead will react with hydrochloric acid to produce lead(II) chloride and hydrogen. How many moles of hydrochloric acid are needed to completely react with 0.36 moles of lead?
Pb + 2 HCl --> PbCl2 + H2
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2NaOH + H2SO4 ® Na2SO4 + 2H2O1.What is the mole ratio of sodium hydroxide (NaOH) to water (H2O)?
2.What is the mole ratio of H2O to H2SO4?
3.If you start with 4 moles of NaOH, how many moles of water (H2O) can be produced?4.How many moles of H2SO4 are needed to react with 4 moles of NaOH?
5.If a reaction produces 0.75 moles Na2SO4, how many moles of NaOH were used?
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Calculate the number of moles of oxygen needed to produce 2.5 moles of diphosphorus pentoxide? P4 (s) + 5 O2 (g) --> 2 P2O5 (s) *
1 point
1.0 mole
2.5 moles
3.0 moles
5 moles
6.3 moles
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Question 39
A reaction mixture initially contains 0.25 moles of ZnS and 0.25 moles of O2. After the reaction is complete, how many moles of the excess reactant are left over?
2 ZnS + 3 O2 --> 2 ZnO + 2 SO2
Group of answer choices
0.083 moles ZnS
0.125 moles O2
0.167 moles ZnS
0.250 moles O2
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if 83.4 mol of water are produced according to the reaction (below) how many mol of oxygen were consumed?
2 H2 + O2 --> 2 H2O
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Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s).KClO3(s).
The equation for the reaction is
2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2
Calculate how many grams of O2(g)O2(g) can be produced from heating 43.8 grams43.8 grams of KClO3(s).KClO3(s).
STRATEGY
Convert the mass of KClO3KClO3 to moles.
Convert the number of moles of KClO3KClO3 to the number of moles of O2.O2.
Convert the number of moles of O2O2 to grams.
Step 1: 43.8 g43.8 g of KClO3KClO3 is equal to 0.3570.357 mol KClO3.KClO3.
Step 2: 0.357 mol0.357 mol KClO3KClO3 corresponds to 0.536 mol 0.536 mol O2.O2.
Step 3: Convert 0.536 mol0.536 mol O2O2 to grams.
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ow many moles of nitrogen gas would be produced if 5.91 moles of copper(II) oxide were reacted with excess ammonia in the following chemical reaction? 2 NH₃(g) + 3 CuO (s) → 3 Cu(s) + N₂(g) + 3 H₂O(g)
i'm stuck on the steps
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Sodium metal (Na) reacts violently when added to water according to the following balanced equation. 2 Na(s) + 2 H2O(l)-------> 2 NaOH(aq) + H2(g) a. How many moles of H 2O are needed to react completely with 3.0 mol of Na? b. How many moles of H 2 are formed from 0.38 mol of Na? c. How many moles of H 2 are formed from 3.64 mol of H 2O?
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ACTIVITY 1: MASS RELATIONSHIPS IN CHEMICAL REACTIONS
DIRECTIONS: Answer the following problems. Write your complete solution on a separate sheet of paper.
Consider the reaction: 2 KClO32 KCl + 3 O2
How many moles of KClO3are required to produce 22.8 moles of oxygen gas, O2?
How many moles of KCl will be produced from the total decomposition of 18.8 moles KClO3?
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Give the chemical reaction : 4AI(s) + 3 O 2 (g) -----> 2 AI2O3(s)
How many moles of AI2O3 are produced from 5.0 moles of Aluminum (AI)
How many moles of AI2O3 produced from if 7 moles of O2 is used
How many moles of O2 is used to produce 7 moles of AI2O3
How many moles of AI is used to produce 10 moles of AI2O3
How many moles of AI will react 8 moles of O2
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Kry’s experiment involves preparing oxygen gas from the decomposition of solid potassium chlorate as shown. How much KClO3 (122.55 g/mol) should decompose if Kry aims to produce 2.50 g KCl (74.55 g/mol) at 70% reaction yield?
2 KClO3(s) ➜ 2 KCl(s) + 3 O2(g)
Select one:
A. 8.81 g
B. 4.32 g
C. 5.87 g
D. 2.88 g
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How many moles of lithium must react completely with 3.5 moles of nitrogen given: 6Li + N2 --> 2Li3N
Group of answer choices
0. 583 moles
21.0 moles
3.5 moles
146 moles
5.21 moles
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3.Given the balanced equation below, determine how many grams of KOH would be produced if 11.7 g of Potassium reacted with 20.1 g of HOH.
2K + HOH ---> 2KOH + H2
_______g KOH
show all work
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A student conducts this synthesis. She starts with 7.3447 g of Fe(NH4)2(SO4)2 6H2O and isolates 4.8251 g of K3[Fe(C2O4)3] 2H2O product.
a. Assuming all Fe(NH4)2(SO4)2 6H2O reacts, how many moles of FeC2O4 should form in the first reaction?
Group of answer choices
1 moles
2 moles
0.5 moles
0.019 moles
b. How many moles of FeC2O4 should form in the first reaction?
Group of answer choices
1 moles
2 moles
0.5 moles
0.019 moles
c. How many grams of K3[Fe(C2O4)3] 2H2O should form (This is the theoretical yield)?
Group of answer choices
1.25 grams
9.20 grams
8.30 grams
4.25 grams
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If 16.00 moles of NH3react with 28 moles of O2, how many moles of H2O will be produced?
The equation is 4 NH3 + 7 O2→ 4 NO2 + 6 H2O
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Adipic acid, a raw material for nylon, is made industrially by the oxidation of cyclohexane.
5 O2 + 2 C6H12 ----------------------> 2 C6H10O4 + 2 H2O cyclohexane special conditions adipic acid
How many moles of oxygen would be needed to make 40.0 moles of adipic acid by this reaction?
If 164 grams of cyclohexane is used, what is the theoretical yield of adipic acid in moles? In grams?
If a given mixture was supposed to produce 74 grams of adipic acid but you only obtained 60 grams, what is the yield of the reaction?
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___ NO + ___O2 ___ NO2
a. If 2.5 moles of NO react, how many moles of O2 are required?
b. If 3.6 moles O2 react, how many moles of NO2 could be produced?
c. How many moles of NO must react to form 4.67 moles of NO2?
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How many moles of sodium must react completely to produce 0.175 moles of sodium nitride in the equation
6Na + N2 --> 2Na3N
A 0.583 mol
B 0.0292 mol
C 0.525 mol
D 0.175 mol
E 1.05 mol
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ACTIVITY 1: MASS RELATIONSHIPS IN CHEMICAL REACTIONS
DIRECTIONS: Answer the following problems. Write your complete solution on a separate sheet of paper.
The combustion of carbon monoxide gas in oxygen gas is represented by the following balanced equation: 2 CO(g) + O2(g) 2 CO2(g)
How many moles of carbon dioxide gas will be produced from the complete combustion of 4.60 moles CO(g)?
2. Consider the reaction: 2 KClO32 KCl + 3 O2
How many moles of KClO3are required to produce 22.8 moles of oxygen gas, O2?
How many moles of KCl will be produced from the total decomposition of 18.8 moles KClO3?
3. Silver metal reacts with sulfur sulfide according to the following reaction: 2 Ag (s) + S(s) → Ag2S(s)
Identify the reagent if 50.0 g Ag reacts with 10.0 g S.
What is the theoretical yield in g of Ag2S produced from the reaction?
What is the amount in g of the excess reactant expected to remain after the reaction?
When the reaction occurred, the amount of Ag2S obtained was 45.0…
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1. There is 0.25 mole of CO2 in a bottle of soda. How many grams of CO2 are in the bottle?
2. What coefficients (in order from left to right) are needed to balance the following chemical equation?
___C6H12O6(aq) → ___C2H6O(aq) + ___CO2(g)
(In the answer choices below, a coefficient of 1 implies no coefficient in front of the formula.)
Group of answer choices
1, 2, 2
1, 2, 3
2, 2, 3
1, 1, 1
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How many moles of lithium are needed to produce 0.60 mol of Li3N when the reaction is carried out in the presence of excess nitrogen?
6Li (s) + N2(g) → 2 Li3N (s)
Group of answer choices
0.30
1.8
0.20
3.6
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16.What is the limiting reactant if 4.5 moles of Sr(NO3)2 react with 3.0 moles of Cs3PO4?
3Sr(NO3)2 + 2Cs3PO4 → 6CsNO3 + Sr3(PO4)2
Group of answer choices
A, Sr(NO3)2
B, Cs3PO4
C, CsNO3
D, no limiting reactant
E, Sr3(PO4)2
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I need help with a chemistry equation
Barium chloride and sodium sulfate react according to the equation below. Answer the following questions about this reaction.
BaCl2 + Na2SO4 → BaSO4 + 2NaClHow many moles of barium sulfate are produced from 0.100 mole of barium chloride?
Answer format 0.800 mol
______________________
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Calculate the number of moles of GaCl3 produced from 4.50 moles HCl using the following balanced reaction.
2 Ga + 6 HCl ==> 2 GaCl3 + 3 H2
Answer to 2 decimal places.
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16.
Given the following balanced chemical equation, predict how many moles of NH3(g) would be produced when 2.5 moles of N2(g) react with sufficient H2(g).
N2(g) + 3 H2(g) ⟶⟶ 2NH3(g)
Select one answer from below:
a 5.0 moles of NH3(g)
b 2.5 moles of NH3(g)
c 2.0 moles of NH3(g)
d 1.0 moles of NH3(g)
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For the following balanced reaction: 2NA + 2H2O = 2NaOH +H2
Which would create more moles of NaOH:
a. 3.4 moles of NA
b. 1.4 moles of H2O
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For this reaction: How many moles of carbon dioxide will be produced when 6.00 mols of oxygen reacts with 1.25 moles of C3H7SH? help!
C3H7SH + 6 O2 ---><--- 3 CO2 +SO2 + 4 H2O
a. 1.25 moles
b. 2.50 moles
c. 3.00 moles
d. 4.00 moles
e. 6.00 moles
arrow_forward
balanced equation: 4NH3 +5O2= 4NO + 6H2O
If 2.00 g of NH3 and 2.50 g of O2 were allowed to react, how much NO (in grams) and H2O(in grams) would be produced by the reaction? Assume the reaction makes no side products, gives 100% yield, and has an equilibrium constant >>> 1
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Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s)KClO3(s) . The equation for the reaction is
2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2
Calculate how many grams of O2(g)O2(g) can be produced from heating 68.0 g KClO3(s)68.0 g KClO3(s) .
STRATEGY:
Convert the mass of KClO3KClO3 to moles.
Convert the number of moles of KClO3KClO3 to the number of moles of O2O2 .
Convert the number of moles of O2O2 to grams.
Step 1: 68.0 g KClO368.0 g KClO3 is equal to 0.555 mol KClO30.555 mol KClO3 .
Step 2: If 0.555 mol KClO30.555 mol KClO3 reacted, how much O2O2 was produced?
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3. For the unbalanced equation: Mg3N2 + H2O----------->Mg(OH)2 + NH3How many moles of Mg(OH)2 are formed from 125g of H2O?
A) 2.5 moles of Mg(OH)2
B) 1.25 moles of Mg(OH)2
C) 6.94 moles of Mg(OH)2
D) 3.47 moles of Mg(OH)2
E) None of the above.
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e) If only 0.105 grams of hydrogen gas actually form, what is the percent yield for this reaction? [ Select ] ["1.9 %", "3.55 %", "28.1 %", "114 %"]
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