Entropy & Gibbs

Entropy & Gibbs

12th Grade

13 Qs

quiz-placeholder

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Entropy & Gibbs

Entropy & Gibbs

Assessment

Quiz

Science

12th Grade

Medium

NGSS
HS-PS1-4

Standards-aligned

Created by

Sha Bi

Used 3+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

What is the definition of entropy?

Measure of disorder in a system

Internal energy stored within a system

Number of possible arrangements of particles and their energies in a system

The change in number of molecules and their energies in a system

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

If any, is the entropy change of this reaction positive or negative?

Negative

No Change

Positive

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How does increasing temperature affect entropy and why?

Entropy decreases as kinetic energy decreases, so particles are more stable

Entropy increases as kinetic energy increases, so energy arrangements of particles increase

Entropy decreases as kinetic energy increases, so level of disorder decreases

Entropy increases as kinetic energy decreases, so rate of reaction decreases

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the formula for Gibbs free energy?

G = H * TS

G = H + TS
G = H / TS

G = H - TS

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the standard unit for Gibbs free energy change?

KJ/mol

N/m

J/mol

mol/dm^3

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the standard unit for change in entropy?

J/mol

J/K/mol

Pa/s

W/K

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the standard unit for change in enthalpy?

J/dm^3

N/s

J/mol

J/K

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