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Phase Changes and Heat Formulas

Authored by Patrick Cost

Chemistry

11th Grade

NGSS covered

Used 2+ times

Phase Changes and Heat Formulas
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mass

Heat energy

Temperature

Volume

Tags

NGSS.HS-PS3-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process involves the heat of fusion?

Vaporization

Condensation

Melting

Sublimation

Tags

NGSS.HS-PS3-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the heat required to melt 10 grams of ice at 0°C. (Heat of fusion for ice = 334 J/g)

3340 J

334 J

33400 J

334000 J

Tags

NGSS.MS-PS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true about the heat of vaporization?

It is the energy required to melt a solid.

It is the energy released when a gas condenses.

It is the energy required to vaporize a liquid.

It is the energy released when a solid freezes.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a calorimetry experiment, if the temperature of water increases, what can be inferred about the heat exchange?

The system absorbed heat.

The system released heat.

No heat exchange occurred.

The system remained at constant temperature.

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation would you use to calculate the heat absorbed by a substance when it changes temperature without changing state?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain why breaking bonds requires energy.

Because energy is released when bonds are broken.

Because energy is absorbed to overcome the attractive forces between atoms.

Because energy is conserved in the process.

Because energy is released to form new bonds.

Tags

NGSS.HS-PS1-4

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