Question 1

In the following reaction C is reduced.
2C +   → 2CO

Accepted Answer

A) True 
 B)False

Question 2

Answer the question(s)below about the following reaction.
2     → 2   O +  
-How many grams of water will 100.grams of hydrogen peroxide produce?

Accepted Answer

A) 36.0 g 
B) 360.g 
C) 5.88 g 
D) 53.0 g 
E) 106 g 
A) 36.0 g 
B) 360.g 
C) 5.88 g 
D) 53.0 g 
E) 106 g

Question 3

The molar mass of potassium is ________.

Accepted Answer

A) 19.00 g/mole 
B) 31.00 g/mole 
C) 6.02 × 1023 g/mole 
D) 39.10 g/mole 
E) 15.02 g/mole 
A) 19.00 g/mole 
B) 31.00 g/mole 
C) 6.02 × 1023 g/mole 
D) 39.10 g/mole 
E) 15.02 g/mole

Question 4

Answer the question(s)below about the following reaction.
2     → 2   O +  
-This is an example of a ________ reaction.

Accepted Answer

A) combustion 
B) combination 
C) decomposition 
D) single replacement 
E) double replacement 
A) combustion 
B) combination 
C) decomposition 
D) single replacement 
E) double replacement

Question 5

Answer the question(s)below about the following reaction.
2     → 2   O +  
-How many moles of hydrogen peroxide (H2O2)are needed to produce 5.0 moles of water?

Accepted Answer

A) 1.0 mole 
B) 2.0 moles 
C) 2.5 moles 
D) 4.0 moles 
E) 5.0 moles 
A) 1.0 mole 
B) 2.0 moles 
C) 2.5 moles 
D) 4.0 moles 
E) 5.0 moles

Question 6

0.400 mole of sucrose, C12H22O11 ,contains ________ moles of C.

Accepted Answer

A) 12 
B) 6.02 × 1023 
C) 5.02 × 1023 
D) 2.89 × 1024 
E) 4.80 
A) 12 
B) 6.02 × 1023 
C) 5.02 × 1023 
D) 2.89 × 1024 
E) 4.80

Question 7

What is the molar mass of sucrose ( C12H22O11 )?

Accepted Answer

A) 29.02 g/mole 
B) 50.23 g/mole 
C) 210.0 g/mole 
D) 342.3 g/mole 
E) 182.0 g/mole 
A) 29.02 g/mole 
B) 50.23 g/mole 
C) 210.0 g/mole 
D) 342.3 g/mole 
E) 182.0 g/mole

Question 8

The molar mass of magnesium is 24.31 g/mole.

Accepted Answer

A) True 
 B)False

Question 9

For the following question(s),consider the following balanced equation. MgS1U1B13S1U1B0NS1U1B12S1U1B0 + 6HS1U1B12S1U1B0O → 3Mg(OH)S1U1B12S1U1B0 + 2NHS1U1B13S1U1B0 
-In the reaction of nitrogen gas, N2 ,with hydrogen gas, H2 ,to form ammonia gas,NH3,how many moles of hydrogen are needed to react with two moles of nitrogen? N2 + 3H2 → 2NH3

Accepted Answer

A) 2 moles 
B) 4 moles 
C) 6 moles 
D) 8 moles 
E) 5.710 moles 
A) 2 moles 
B) 4 moles 
C) 6 moles 
D) 8 moles 
E) 5.710 moles

Question 10

Pentane (  CS1U1B15S1U1B0HS1U1B112S1U1B0 )reacts with oxygen ( OS1U1B12S1U1B0 )to form carbon dioxide ( COS1U1B12S1U1B0 )and water ( HS1U1B12S1U1B0O)according to the following reaction.Answer the following question(s)about this reaction. CS1U1B15S1U1B0HS1U1B112S1U1B0 + ?OS1U1B12S1U1B0  → ?COS1U1B12S1U1B0 + ?HS1U1B12S1U1B0O
-In the following reaction,what is the correct coefficient for aluminum chloride? Al + Cl2 → AlCl3

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 11

Barium chloride and sodium sulfate react according to the following equation.
BaCl2 + Na2SO4 → BaSO4 + 2NaCl 
Answer the following question(s)about this reaction.
-How many moles of barium sulfate are produced from 0.1 mole of barium chloride?

Accepted Answer

A) 0.01 mole 
B) 0.1 mole 
C) 0.2 mole 
D) 1 mole 
E) 2 moles 
A) 0.01 mole 
B) 0.1 mole 
C) 0.2 mole 
D) 1 mole 
E) 2 moles

Question 12

The following is a double replacement reaction.
2     + 5   → 4C   +   O

Accepted Answer

A) True 
 B)False

Question 13

Is the following reaction exothermic or endothermic?
2C2H6 + 7O2 → 4CO2 + 6H2O +1300 kJ

Accepted Answer

Question 14

When the following equation is balanced,the coefficient of O2 is ________.
C2H6 + O2 → CO2 + H2O

Accepted Answer

Question 15

Which of the following gives the balanced equation for this reaction?  K3PO4 + Ca(NO3)2 → Ca3(PO4)2 +  KNO3

Accepted Answer

A)   KPO4+ CaNO3+ KNO3 
B)  K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + 3KNO3 
C) 2 K3PO4 + Ca(NO3)2  → Ca3(PO4)2 + 6KNO3 
D) 2k3PO4+ 3Ca3(NO3)2 →  Ca3(PO4)2+ 6KNO3 
E)  K3PO4+ Ca(NO3)2 → Ca3(PO4)2+ KNO3 
A)   KPO4+ CaNO3+ KNO3 
B)  K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + 3KNO3 
C) 2 K3PO4 + Ca(NO3)2  → Ca3(PO4)2 + 6KNO3 
D) 2k3PO4+ 3Ca3(NO3)2 →  Ca3(PO4)2+ 6KNO3 
E)  K3PO4+ Ca(NO3)2 → Ca3(PO4)2+ KNO3

Question 16

The mass of 0.352 mole of sodium chloride is 20.6 g.

Accepted Answer

A) True 
 B)False

Question 17

In the following reaction,when 100.g of Br2 reacts,111 g of AlBr3 is formed.
2Al + 3   → 2

Accepted Answer

A) True 
 B)False

Question 18

One mole of neon atoms has a mass of ________.

Accepted Answer

A) 6.02 × 1023 g 
B) 14.01 g 
C) 10.01 g 
D) 20.18 g 
E) 22.99 g 
A) 6.02 × 1023 g 
B) 14.01 g 
C) 10.01 g 
D) 20.18 g 
E) 22.99 g

Question 19

What type of reaction is the following?
Zn + 2HCl → Zn Cl2 + H2

Accepted Answer

Question 20

Answer the question(s)below about the following reaction.
2     → 2   O +  
-How many grams of hydrogen peroxide are needed to produce 25.0 g of oxygen?

Accepted Answer

A) 106 g 
B) 26.6 g 
C) 5.88 g 
D) 25.0 g 
E) 53.2 g 
A) 106 g 
B) 26.6 g 
C) 5.88 g 
D) 25.0 g 
E) 53.2 g

In the following reaction C is reduced. 2C + → 2CO

Answer the question(s)below about the following reaction. 2 → 2 O + -How many grams of water will 100.grams of hydrogen peroxide produce?

The molar mass of potassium is ________.

Answer the question(s)below about the following reaction. 2 → 2 O + -This is an example of a ________ reaction.

Answer the question(s)below about the following reaction. 2 → 2 O + -How many moles of hydrogen peroxide (H2O2)are needed to produce 5.0 moles of water?

0.400 mole of sucrose, C₁₂H₂₂O₁₁ ,contains ________ moles of C.

What is the molar mass of sucrose ( C₁₂H₂₂O₁₁ )?

The molar mass of magnesium is 24.31 g/mole.

Barium chloride and sodium sulfate react according to the following equation. BaCl2 + Na2SO4 → BaSO4 + 2NaCl Answer the following question(s)about this reaction. -How many moles of barium sulfate are produced from 0.1 mole of barium chloride?

The following is a double replacement reaction. 2 + 5 → 4C + O

Is the following reaction exothermic or endothermic? 2C2H6 + 7O2 → 4CO2 + 6H₂O +1300 kJ

When the following equation is balanced,the coefficient of O2 is ________. C2H6 + O2 → CO2 + H₂O

Which of the following gives the balanced equation for this reaction? K₃PO₄ + Ca(NO₃)₂ → Ca₃(PO₄)₂ + KNO₃

The mass of 0.352 mole of sodium chloride is 20.6 g.

In the following reaction,when 100.g of Br2 reacts,111 g of AlBr3 is formed. 2Al + 3 → 2

One mole of neon atoms has a mass of ________.

What type of reaction is the following? Zn + 2HCl → Zn Cl₂ + H₂

Answer the question(s)below about the following reaction. 2 → 2 O + -How many grams of hydrogen peroxide are needed to produce 25.0 g of oxygen?

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Exam 7: Chemical Quantities and Reactions

In the following reaction C is reduced. 2C + → 2CO

Answer the question(s)below about the following reaction. 2 → 2 O + -How many grams of water will 100.grams of hydrogen peroxide produce?

The molar mass of potassium is ________.

Answer the question(s)below about the following reaction. 2 → 2 O + -This is an example of a ________ reaction.

Answer the question(s)below about the following reaction. 2 → 2 O + -How many moles of hydrogen peroxide (H2O2)are needed to produce 5.0 moles of water?

0.400 mole of sucrose, C12H22O11 ,contains ________ moles of C.

What is the molar mass of sucrose ( C12H22O11 )?

The molar mass of magnesium is 24.31 g/mole.

For the following question(s),consider the following balanced equation. Mg3N2 + 6H2O → 3Mg(OH)2 + 2NH3 -In the reaction of nitrogen gas, N2 ,with hydrogen gas, H2 ,to form ammonia gas,NH3,how many moles of hydrogen are needed to react with two moles of nitrogen? N2 + 3H2 → 2NH3

Barium chloride and sodium sulfate react according to the following equation. BaCl2 + Na2SO4 → BaSO4 + 2NaCl Answer the following question(s)about this reaction. -How many moles of barium sulfate are produced from 0.1 mole of barium chloride?

The following is a double replacement reaction. 2 + 5 → 4C + O

Is the following reaction exothermic or endothermic? 2C2H6 + 7O2 → 4CO2 + 6H2O +1300 kJ

When the following equation is balanced,the coefficient of O2 is ________. C2H6 + O2 → CO2 + H2O

Which of the following gives the balanced equation for this reaction? K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + KNO3

The mass of 0.352 mole of sodium chloride is 20.6 g.

In the following reaction,when 100.g of Br2 reacts,111 g of AlBr3 is formed. 2Al + 3 → 2

One mole of neon atoms has a mass of ________.

What type of reaction is the following? Zn + 2HCl → Zn Cl2 + H2

Answer the question(s)below about the following reaction. 2 → 2 O + -How many grams of hydrogen peroxide are needed to produce 25.0 g of oxygen?

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Solutions

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Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

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0.400 mole of sucrose, C₁₂H₂₂O₁₁ ,contains ________ moles of C.

What is the molar mass of sucrose ( C₁₂H₂₂O₁₁ )?

Is the following reaction exothermic or endothermic? 2C2H6 + 7O2 → 4CO2 + 6H₂O +1300 kJ

When the following equation is balanced,the coefficient of O2 is ________. C2H6 + O2 → CO2 + H₂O

Which of the following gives the balanced equation for this reaction? K₃PO₄ + Ca(NO₃)₂ → Ca₃(PO₄)₂ + KNO₃

What type of reaction is the following? Zn + 2HCl → Zn Cl₂ + H₂