Question 1

An oxidizing agent is the reactant in an oxidation - reduction reaction that causes reduction of another reactant by providing electrons for the other reactant to accept.

Accepted Answer

A) True 
 B)False  False

Question 2

A chemical reaction in which there is a transfer of electrons from one reactant to another reactant can be classified as

Accepted Answer

A)  decomposition reaction 
B)  combustion reaction 
C)  oxidation-reduction reaction 
D)  double replacement reaction 
A)  decomposition reaction 
B)  combustion reaction 
C)  oxidation-reduction reaction 
D)  double replacement reaction C

Question 3

Accepted Answer

The answer of  ...

Question 4

Methanol burns in air according to the equation below. How many grams of methanol can be burned by 10 grams of oxygen?

Accepted Answer

A)  2 g 
B)  7 g 
C)  10 g 
D)  20 g 
A)  2 g 
B)  7 g 
C)  10 g 
D)  20 g

Question 5

In the following reaction, how many grams of water are needed to completely hydrolyze 30.8 g of the ester?

Accepted Answer

A)  7.48 g 
B)  0.416 g 
C)  30.8 g 
D)  11.3 g 
A)  7.48 g 
B)  0.416 g 
C)  30.8 g 
D)  11.3 g

Question 6

If there is a "limiting reactant" in the hypothetical reaction,
  it is the substance

Accepted Answer

A)  on the right that is produced in a limited amount. 
B)  on the left that is used to produce substance C on the right. 
C)  on the left that is used up first. 
D)  on the left that is limited by the amount of C produced. 
A)  on the right that is produced in a limited amount. 
B)  on the left that is used to produce substance C on the right. 
C)  on the left that is used up first. 
D)  on the left that is limited by the amount of C produced.

Question 7

Benzoyl peroxide can be used as a treatment for acne. Benzoyl peroxide

Accepted Answer

A)  has a reduction action that tends to neutralize the effects of the acne bacteria. 
B)  is injected so that it will have a general immune action against bacteria causing acne. 
C)  is an oxidizing agent used on the skin to kill the bacteria causing acne. 
D)  is not used for acne; it is an antiseptic used to sterilize a surgeon's hands. 
A)  has a reduction action that tends to neutralize the effects of the acne bacteria. 
B)  is injected so that it will have a general immune action against bacteria causing acne. 
C)  is an oxidizing agent used on the skin to kill the bacteria causing acne. 
D)  is not used for acne; it is an antiseptic used to sterilize a surgeon's hands.

Question 8

If 5.5 moles of pentane are burned according to the following equation:
  how many moles of oxygen are required?

Accepted Answer

A)  41 
B)  83 
C)  11 
D)  5.5 
A)  41 
B)  83 
C)  11 
D)  5.5

Question 9

Platinum serves to catalyze some hydrogenation reactions.

Accepted Answer

A) True 
 B)False

Question 10

According to the following equation, what mass of silver nitrate would be required to react with 0.500 grams potassium chloride?

Accepted Answer

A)  0.500 g 
B)  1.14 g 
C)  85.0 g 
D)  170 g 
A)  0.500 g 
B)  1.14 g 
C)  85.0 g 
D)  170 g

Question 11

2-methylcyclopentene reacts with hydrogen in the presence of platinum catalyst to form methylcyclopentane.
  In this reaction:

Accepted Answer

A)  2-methylcyclopentene is reduced 
B)  Pt is oxidized 
C)  methylcyclopentane is reduced 
D)  cyclohexane is oxidized 
A)  2-methylcyclopentene is reduced 
B)  Pt is oxidized 
C)  methylcyclopentane is reduced 
D)  cyclohexane is oxidized

Question 12

While this isn't a real reaction, we can say that carbonic acid, H2CO3, can be produced directly from the elements. Choose the statement that is correct when the given masses are supplied to react.

Accepted Answer

A)  Hydrogen is the limiting reactant. 
B)  Carbon is the limiting reactant. 
C)  Oxygen is the limiting reactant. 
D)  There is no limiting reactant. 
A)  Hydrogen is the limiting reactant. 
B)  Carbon is the limiting reactant. 
C)  Oxygen is the limiting reactant. 
D)  There is no limiting reactant.

Question 13

Balance the equation. Baking soda (NaHCO3) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows:

Accepted Answer

Question 14

Compounds are formed from elements in a ___ reaction.

Accepted Answer

The answer of Compounds are formed from elements in a...

Question 15

Write and balance the equation for the complete combustion of pentane (C5H12).

Accepted Answer

Question 16

An oxidation reaction can be defined as when an atom loses an oxygen.

Accepted Answer

A) True 
 B)False

Question 17

Sodium stearate is a soap that is produced from stearic acid, one of the fatty acids, by the reaction:
  The reaction that was set up with 0.25 g stearic acid and an excess of sodium hydroxide produced 0.25 grams soap. The percent yield was

Accepted Answer

A)  100%. 
B)  93%. 
C)  25%. 
D)  1%. 
A)  100%. 
B)  93%. 
C)  25%. 
D)  1%.

Question 18

Aluminum carbonate was once the active ingredient in Rolaids . It reacts with stomach acid according to the following equation:
   A single aluminum carbonate tablet weighs 2.48 g. How many grams of AlCl3 would be produced by the reaction of a single tablet?

Accepted Answer

Question 19

A test used by geologists to determine if the carbonate ion is present in rock can be performed by dripping a hydrochloric acid solution on the sample and looking for the bubbling of carbon dioxide. How many moles of carbon dioxide are produced by the reaction of 0.75 moles of limestone, CaCO3?

Accepted Answer

A)  2.35 moles 
B)  2 moles 
C)  1 mole 
D)  0.75 moles 
A)  2.35 moles 
B)  2 moles 
C)  1 mole 
D)  0.75 moles

Question 20

Tums tablets are composed of the substance calcium carbonate. Two tablets have a combined mass of 5.0 grams. Calcium carbonate reacts with and neutralizes excess stomach acid (hydrochloric acid). The products of this reaction are: water, calcium chloride, and carbon dioxide. Calculate the mass in grams of the hydrochloric acid that can be neutralized by 5.0 grams of calcium carbonate.

Accepted Answer

The answer of Tums tablets are composed of the substance...

An oxidizing agent is the reactant in an oxidation - reduction reaction that causes reduction of another reactant by providing electrons for the other reactant to accept.

A chemical reaction in which there is a transfer of electrons from one reactant to another reactant can be classified as

Methanol burns in air according to the equation below. How many grams of methanol can be burned by 10 grams of oxygen?

In the following reaction, how many grams of water are needed to completely hydrolyze 30.8 g of the ester?

If there is a "limiting reactant" in the hypothetical reaction, it is the substance

Benzoyl peroxide can be used as a treatment for acne. Benzoyl peroxide

If 5.5 moles of pentane are burned according to the following equation: how many moles of oxygen are required?

Platinum serves to catalyze some hydrogenation reactions.

According to the following equation, what mass of silver nitrate would be required to react with 0.500 grams potassium chloride?

2-methylcyclopentene reacts with hydrogen in the presence of platinum catalyst to form methylcyclopentane. In this reaction:

While this isn't a real reaction, we can say that carbonic acid, H₂CO₃, can be produced directly from the elements. Choose the statement that is correct when the given masses are supplied to react.

Balance the equation. Baking soda (NaHCO₃) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows:

Compounds are formed from elements in a ___ reaction.

Write and balance the equation for the complete combustion of pentane (C₅H₁₂).

An oxidation reaction can be defined as when an atom loses an oxygen.

Sodium stearate is a soap that is produced from stearic acid, one of the fatty acids, by the reaction: The reaction that was set up with 0.25 g stearic acid and an excess of sodium hydroxide produced 0.25 grams soap. The percent yield was

Aluminum carbonate was once the active ingredient in Rolaids . It reacts with stomach acid according to the following equation: A single aluminum carbonate tablet weighs 2.48 g. How many grams of AlCl₃ would be produced by the reaction of a single tablet?

A test used by geologists to determine if the carbonate ion is present in rock can be performed by dripping a hydrochloric acid solution on the sample and looking for the bubbling of carbon dioxide. How many moles of carbon dioxide are produced by the reaction of 0.75 moles of limestone, CaCO₃?

Science and Measurements

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Carbohydrates

Lipids and Membranes

Peptides, Proteins, and Enzymes

Nucleic Acids

Metabolism

Filters

Exam 5: Reactions

An oxidizing agent is the reactant in an oxidation - reduction reaction that causes reduction of another reactant by providing electrons for the other reactant to accept.

A chemical reaction in which there is a transfer of electrons from one reactant to another reactant can be classified as

Methanol burns in air according to the equation below. How many grams of methanol can be burned by 10 grams of oxygen?

In the following reaction, how many grams of water are needed to completely hydrolyze 30.8 g of the ester?

If there is a "limiting reactant" in the hypothetical reaction, it is the substance

Benzoyl peroxide can be used as a treatment for acne. Benzoyl peroxide

If 5.5 moles of pentane are burned according to the following equation: how many moles of oxygen are required?

Platinum serves to catalyze some hydrogenation reactions.

According to the following equation, what mass of silver nitrate would be required to react with 0.500 grams potassium chloride?

2-methylcyclopentene reacts with hydrogen in the presence of platinum catalyst to form methylcyclopentane. In this reaction:

While this isn't a real reaction, we can say that carbonic acid, H2CO3, can be produced directly from the elements. Choose the statement that is correct when the given masses are supplied to react.

Balance the equation. Baking soda (NaHCO3) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows:

Compounds are formed from elements in a ___ reaction.

Write and balance the equation for the complete combustion of pentane (C5H12).

An oxidation reaction can be defined as when an atom loses an oxygen.

Sodium stearate is a soap that is produced from stearic acid, one of the fatty acids, by the reaction: The reaction that was set up with 0.25 g stearic acid and an excess of sodium hydroxide produced 0.25 grams soap. The percent yield was

Aluminum carbonate was once the active ingredient in Rolaids . It reacts with stomach acid according to the following equation: A single aluminum carbonate tablet weighs 2.48 g. How many grams of AlCl3 would be produced by the reaction of a single tablet?

A test used by geologists to determine if the carbonate ion is present in rock can be performed by dripping a hydrochloric acid solution on the sample and looking for the bubbling of carbon dioxide. How many moles of carbon dioxide are produced by the reaction of 0.75 moles of limestone, CaCO3?

Science and Measurements

Atoms and Elements

Compounds

An Introduction to Organic Compounds

Gases, Solutions, Colloids, and Suspensions

Acids, Bases, and Equilibrium

Organic Reactions Hydrocarbons, Carboxlic Acids, Amines, and Related Compounds

Organic Reactions 2-Alcohols, Ethers, Aldehydes, and Ketones

Carbohydrates

Lipids and Membranes

Peptides, Proteins, and Enzymes

Nucleic Acids

Metabolism

Filters

While this isn't a real reaction, we can say that carbonic acid, H₂CO₃, can be produced directly from the elements. Choose the statement that is correct when the given masses are supplied to react.

Balance the equation. Baking soda (NaHCO₃) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows:

Write and balance the equation for the complete combustion of pentane (C₅H₁₂).

Aluminum carbonate was once the active ingredient in Rolaids . It reacts with stomach acid according to the following equation: A single aluminum carbonate tablet weighs 2.48 g. How many grams of AlCl₃ would be produced by the reaction of a single tablet?

A test used by geologists to determine if the carbonate ion is present in rock can be performed by dripping a hydrochloric acid solution on the sample and looking for the bubbling of carbon dioxide. How many moles of carbon dioxide are produced by the reaction of 0.75 moles of limestone, CaCO₃?