Chemistry Thermochemistry

Question 1 of 22

1

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Reactions that absorb hear are called

Explanation

Question 2 of 22

1

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The energy used or produced during a chemical reaction is called the

Explanation

Question 3 of 22

1

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law says that the (triangle H) for reactions are additive

Explanation

Question 4 of 22

1

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The of a substance tell how much energy is needed to raise the temperature of 1 gram of that substance by 1ºC

Explanation

Question 5 of 22

1

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1 calorie is equal to joules

Explanation

Question 6 of 22

1

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An reaction is one that gives off heat

Explanation

Question 7 of 22

1

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The amount of energy required to raise the temperature of 1 gram of pure water by 1ºC is exactly equal to one

Explanation

Question 8 of 22

1

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is the type of energy that alwats flows from warmer objects to cooler one

Explanation

Question 9 of 22

1

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is the study of heat changes during chemical and physical changes

Explanation

Question 10 of 22

1

Fill the blank space to complete the text.

If a reaction is reversed, the (triangle H) for the reaction must be

Explanation

Question 11 of 22

1

Click on each orange point and write the correct answer.

Label all the parts on the heating curve provided

Explanation

Question 12 of 22

1

The type of reaction that absorbs heat from the surroundings

Select one of the following:

Endothermic
Exothermic

Explanation

Question 13 of 22

1

A chemical equation that includes the enthalphy change

Select one of the following:

Thermochemical equation
Phase change equation

Explanation

Question 14 of 22

1

When a reaction requires energy in order to be completed, this energy can be written on the ___ side of a chemical equation

Select one of the following:

Right
Left

Explanation

Question 15 of 22

1

The heat content of a substance

Select one of the following:

Specific Heat
Enthalpy

Explanation

Question 16 of 22

1

In order to melt a substance, energy is ___

Select one of the following:

Absorbed
Released

Explanation

Question 17 of 22

1

Describes the additive nature of chemical equations and heat changes

Select one of the following:

Hess's Law
Thermochemistry

Explanation

Question 18 of 22

1

The heat absorbed by 1 mole of a substance in boiling from a liquid to a gas at a constant temperature

Select one of the following:

(Triangle H)fus
(Triangle H)vap

Explanation

Question 19 of 22

1

The fact that equals masses of both water and copper, when supplied with identical energy amounts of energy amounts of energy heat up at different rates is due to their ___

Select one of the following:

Specific Heat
Chemical Potential Energy

Explanation

Question 20 of 22

1

How many kJ of energy can be released by a banana containing 150 calories?

Select one of the following:

A) 6.3x10^5 kJ
B) 0.028 kJ
C) 36 kJ
D) 630 kJ
E) None of these

Explanation

Question 21 of 22

1

For the question below, use the following equation: I2(s) + 62.4 kJ --> I2(g)

Which of the following is true?

Select one of the following:

A) The reaction is exothermic
B) (Triangle H)= +62.4 kJ
C) (Triangle H)= -62.4 kJ
D) The reaction releases heat
E) Not enough information to tell

Explanation

Question 22 of 22

1

For the question below, use the following equation: I2(s) + 62.4 kJ --> I2(g)

How much heat is involved in the production of 3.5 mole I2(g)

Select one of the following:

A) 110 kJ
B) 62 kJ
C) 220 kJ
D) 3.5 kJ
E) None of these

	Created by patricia alvarez almost 6 years ago

Quiz on Chemistry Thermochemistry, created by patricia alvarez on 23/05/2018.

Chemistry Thermochemistry

Question 1 of 22

Fill the blank space to complete the text.

Reactions that absorb hear are called

Explanation

Question 2 of 22

Fill the blank space to complete the text.

The energy used or produced during a chemical reaction is called the

Explanation

Question 3 of 22

Fill the blank space to complete the text.

law says that the (triangle H) for reactions are additive

Explanation

Question 4 of 22

Fill the blank space to complete the text.

The of a substance tell how much energy is needed to raise the temperature of 1 gram of that substance by 1ºC

Explanation

Question 5 of 22

Fill the blank space to complete the text.

1 calorie is equal to joules

Explanation

Question 6 of 22

Fill the blank space to complete the text.

An reaction is one that gives off heat

Explanation

Question 7 of 22

Fill the blank space to complete the text.

The amount of energy required to raise the temperature of 1 gram of pure water by 1ºC is exactly equal to one

Explanation

Question 8 of 22

Fill the blank space to complete the text.

is the type of energy that alwats flows from warmer objects to cooler one

Explanation

Question 9 of 22

Fill the blank space to complete the text.

is the study of heat changes during chemical and physical changes

Explanation

Question 10 of 22

Fill the blank space to complete the text.

If a reaction is reversed, the (triangle H) for the reaction must be

Explanation

Question 11 of 22

Click on each orange point and write the correct answer.

Label all the parts on the heating curve provided

Explanation

Question 12 of 22

The type of reaction that absorbs heat from the surroundings

Select one of the following:

Explanation

Question 13 of 22

A chemical equation that includes the enthalphy change

Select one of the following:

Explanation

Question 14 of 22

When a reaction requires energy in order to be completed, this energy can be written on the ___ side of a chemical equation

Select one of the following:

Explanation

Question 15 of 22

The heat content of a substance

Select one of the following:

Explanation

Question 16 of 22

In order to melt a substance, energy is ___

Select one of the following:

Explanation

Question 17 of 22

Describes the additive nature of chemical equations and heat changes

Select one of the following:

Explanation

Question 18 of 22

The heat absorbed by 1 mole of a substance in boiling from a liquid to a gas at a constant temperature

Select one of the following:

Explanation

Question 19 of 22

The fact that equals masses of both water and copper, when supplied with identical energy amounts of energy amounts of energy heat up at different rates is due to their ___

Select one of the following:

Explanation

Question 20 of 22

How many kJ of energy can be released by a banana containing 150 calories?

For the question below, use the following equation: I2(s) + 62.4 kJ --> I2(g)

Which of the following is true?

For the question below, use the following equation: I2(s) + 62.4 kJ --> I2(g)

How much heat is involved in the production of 3.5 mole I2(g)