Unit 7: Thermochemistry

Unit 7: Thermochemistry

10th Grade

33 Qs

quiz-placeholder

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Unit 7: Thermochemistry

Unit 7: Thermochemistry

Assessment

Quiz

Chemistry

10th Grade

Easy

Created by

Litzy Pineda Flores

Used 1+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heat is...

The transfer of thermal energy between two bodies that are a different temperature.

A unit of measurement, form of energy and a physical property

A physical property with twice the amount of value than that of a temperatures source

A type of matter in which the objects can be perceived as absract

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what does n mean in the following equation? △H°rxn = ⨊n (△H°f) of products - ⨊n (△H°f) of reactants

Number of moles

number of atoms

number of ionic configurations

type of compound used in the formula

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the correct units for the specific heat equation?

J = s x J/L°C

J/g°C + D = J

F = Q x J/m°C

J = g x J/g°C x °C

4.

DRAW QUESTION

3 mins • 1 pt

Solve the following problem using:

△H = -3013 KJ

1 mole of P₄ reacts, 3013 KJ of heat will be RELEASED. How much heat will be released if 230 g of P₄ reacts?

Remember to use the coeff. in the equations.

Media Image

Answer explanation

Media Image

Use dimensional analysis to figure it out

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The --- of a substance is the amount of heat required to raise the temperature of 1g of the substance by 1℃.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Temperate is the measure of ...

Degree of brightness or darkness in relation to wavelegths

Degree of wetness or dryness

The thermal energy

*Temp. does NOT equal thermal energy*

Degree of loudness or quietness according to solubility

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: phase changes occur without a change in temperature, rather heat.

False

True

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