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Thermochem Calculations

Authored by Victoria Weinzel

Chemistry

9th - 12th Grade

NGSS covered

Thermochem Calculations
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A kilocalorie (kcal) is the same as:

a gram of fat

kilojoule

a food calorie

the calories found in a head of lettuce

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1 calorie is also equal to ________________________.

4.18 joules

1 joule

2 joules

3 conductors

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the definition of CONDUCTION?

When heat is transferred from objects like rays of light or electromagnetically.
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
When heat transfers from objects that are touching.
When heat transfers through the heater or AC in your house.

Tags

NGSS.MS-PS1-4

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

The earth receives heat energy from the sun by _______________, which is the transfer of energy as electromagnetic waves?

radiation
convection
conduction
greenhouse effect

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The transfer of heat energy by direct contact, or touch, is __________________?

radiation
convection
conduction
greenhouse effect

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

ΔH value in an endothermic reaction is a positive number.

True
False

Tags

NGSS.HS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 _?_  is the amount of energy required to raise the temperature of 1 gram of any substance 1oC.

Specific heat
A calorie
Thermal energy
Conduction

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