Test Unit 9 Thermochemistry

Test Unit 9 Thermochemistry

9th - 12th Grade

16 Qs

quiz-placeholder

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Test Unit 9 Thermochemistry

Test Unit 9 Thermochemistry

Assessment

Quiz

Science

9th - 12th Grade

Practice Problem

Easy

NGSS
MS-PS1-4, MS-PS3-5, MS-PS3-4

+4

Standards-aligned

Created by

Orlando Vega

Used 4+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An equal mass sample of each substance absorbs 50 J of heat. Identify the substance that undergoes the largest temperature change.

lead

C = 0.13 J/goC

granite

C = 0.79 J/goC

dry air

C = 1.01 J/goC

ice

C = 2.11 J/goC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

As kinetic energy of molecules increases, ______

Temperature increases.

Temperature decreases.

Temperature is not affected by kinetic energy.

Tags

NGSS.MS-PS1-4

3.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

-3.48 J

3.48 J

1704 J

-1704 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

4.

CATEGORIZE QUESTION

5 mins • 2 pts

Identify the following as examples of Kinetic Energy or Potential Energy.

Groups:

(a) Kinetic Energy

,

(b) Potential Energy

Gas molecules at 100C

Ice melting

A battery

A moving vehicle

Food sitting on a table

A cell phone with no battery power

Tags

NGSS.MS-PS3-5

5.

CATEGORIZE QUESTION

5 mins • 3 pts

Identify the following as examples of Endothermic or Exothermic processes.

Groups:

(a) Endothermic

,

(b) Exothermic

Melting

Reaction container is cold to the touch

Freezing

Reaction container is hot to the touch

Combustion reaction

Condensation

Sublimation

Evaporation

Tags

NGSS.MS-PS1-4

6.

CATEGORIZE QUESTION

5 mins • 4 pts

Identify the following reactions as Endothermic or Exothermic reactions.

 

Groups:

(a) Endothermic

,

(b) Exothermic

Energy Reactants > Energy Products

CaCO3 --> CaO + CO2     ΔH = +178 kJ

2H2 + O2 --> 2H2O ΔH = -75 kJ

Energy Products > Energy Reactants

3CO + 2Fe + Energy --> 3C + Fe2O3

Q = - 45,000 J

CH4 + 2O2 --> CO2 + 2H2O + Energy

Q = +5,000 J

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Define Temperature

Measure of the average kinetic energy of molecules.

Measure of the heat energy of molecules.

Measure of heat flow of molecules.

Measure of the amount of energy absorbed by molecules when heated.

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