Entropy Quiz #1

Entropy Quiz #1

12th Grade

20 Qs

quiz-placeholder

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Entropy Quiz #1

Entropy Quiz #1

Assessment

Quiz

Chemistry

12th Grade

Medium

NGSS
HS-PS3-4, HS-PS1-4, HS-PS1-5

Standards-aligned

Created by

Jo Standley

Used 684+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for entropy?

H

G

S

E

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which represents a decrease in entropy?

sublimation of CO2

boiling water

condensation of steam on cold glass

NaCl dissolving in water

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which represents a -ΔS?

ice melting

salt dissolving

water heating up

none of these

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following scenarios describes a process with a negative entropy change?

Building a skyscraper

A clean room becomes cluttered

An igloo melting

Osmosis (I hope you know your Biology!)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these have a DECREASE in entropy?

CaCO3(s) → CaO(s) + CO2(g)

2NO2(g) → N2O4(g)

2NH3(g) → 3H2(g) + N2(g)

C6H6(l) → C6H6(g)

Tags

NGSS.HS-PS3-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The entropy will usually increase when

a molecule is broken into two or more smaller molecules

a reaction occurs that results in an increase in the number of moles of gas

a solid changes to a liquid

all of these

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which combination of ΔH and ΔS always has a spontaneous reaction?

+ΔH and +ΔS

+ΔH and -ΔS

-ΔH and -ΔS

-ΔH and +ΔS

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