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thermochemistry 2

Authored by Carolyn Bartek

Chemistry

10th Grade

Used 28+ times

thermochemistry 2
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The heat absorbed or given off when 1 mole of a substance is formed from its element

Ethalpy

heat of reaction

Enthalpy of formation

Entropy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the heat required to melt 1 gram of a substance at its melting point

Heat of Fusion

Heat of melting

Enthalpy

Entropy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The heat released or gained during a chemical reaction

Heat of fusion

Heat of vaporization

Heat of reaction

entropy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The measure of randomness in a system

Heat of formation

heat of reaction

enthalpy

entropy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the heat per unit mass required to vaporize a substance at its boiling point

Heat of fusion

heat of vaporization

heat of reaction

entropy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the symbol for change in entropy

ΔG

ΔH

ΔS

ΔT

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Predicts the spontaneity of a reaction

entropy

enthalpy

heat of reaction

Gibbs free entropy

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