Heating Curves and Energy Changes Quiz

Heating Curves and Energy Changes Quiz

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the change in heat energy when pressure is constant?

Entropy

Enthalpy

Energy

Temperature

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During which phase change does the temperature remain constant?

Both solid to liquid and liquid to gas

Gas to solid

Liquid to gas

Solid to liquid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific heat of water in joules required to raise the temperature of 1 gram by 1 degree Celsius?

2.1 J/g°C

4.184 J/g°C

1.0 J/g°C

3.5 J/g°C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation is used to calculate energy change during a phase change?

Heat of phase change times number of moles

Mass times specific heat times temperature change

Pressure times volume change

Mass times velocity squared

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the energy during the melting phase of a substance?

It remains constant

It decreases potential energy

It increases kinetic energy

It is used to break attractive forces

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the heating curve involves using the specific heat of the liquid?

Boiling

Solid heating

Melting

Liquid heating

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example problem, what is the total enthalpy change for 10 grams of water from -20°C to +50°C?

4852 J

5852 J

6852 J

7852 J

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