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A-level Chemistry: Entropy + Gibbs Free Energy

Authored by Marcel Westhuizen

Chemistry

12th Grade

NGSS covered

Used 20+ times

A-level Chemistry: Entropy + Gibbs Free Energy
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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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ΔHreaction =ΔG+TΔSsystem\Delta H_{reaction\ }=\Delta G+T\Delta S_{system}

ΔHreaction =ΔG−TΔSsystem\Delta H_{reaction\ }=\Delta G-T\Delta S_{system}

ΔG=ΔHreaction +TΔSsystem\Delta G=\Delta H_{reaction\ }+T\Delta S_{system}

ΔSsystem=ΔG−ΔHreaction T\Delta S_{system}=\frac{\Delta G-\Delta H_{reaction\ }}{T}

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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ΔG≤0\Delta G\le0

ΔG≥0\Delta G\ge0

ΔS≤0\Delta S\le0

ΔS≥0\Delta S\ge0

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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–129 (J K–1 mol–1)

1777 (J K–1 mol–1)

20 (J K–1 mol–1)

–541 (J K–1 mol–1)

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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899 K

525 K

405 K

923 K

Tags

NGSS.HS-PS1-5

5.

DRAG AND DROP QUESTION

5 mins • 4 pts

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Entropy in the reaction ​ (a)  

  • (Because) a ​ (b)   is formed from a ​ (c)  

  • Gases are more ​ (d)  

Increases
gas
solid
disordered
decreases
ordered
liquid
stays the same

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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91.1 kJ mol–1

260.93 kJ mol–1

-122 kJ mol–1

-247.84 kJ mol–1

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

7.

DROPDOWN QUESTION

5 mins • 3 pts

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With increasing temperature, the feasibility will:

  • ​ (a)   and the reaction will become ​ (b)   feasible; [1 mark]

  • Because ∆G will ​ (c)   ; [1 mark]

Increase
more
decrease
less

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

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