Enthalpy and Thermochemistry Test

Enthalpy and Thermochemistry Test

11th Grade

10 Qs

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Enthalpy and Thermochemistry Test

Enthalpy and Thermochemistry Test

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Hard

NGSS
HS-PS1-4, HS-PS3-4, HS-PS3-1

Standards-aligned

Created by

Charles Martinez

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the enthalpy ter (ΔH) is negative the reaction is ____.

Endothermic
Exothermic
Neutral

Tags

NGSS.HS-PS1-4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

H2 + ½ O2 --> H2O + 285kJ is an example of a(n)

Electrical equation
Heat equation
Thermochemical equation

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If ΔH is positive, heat would be shown on the _____ side of the thermochemical equation.

Reactant
Product

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

C+ O2 --> CO2 + 60kJ, what is the value for ΔH for the reaction?

+60
-60
there is no way to know

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram represents which type of reaction

endothermic
exothermic

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In an endothermic reaction, the sum of the heats of formation of the products are____than the sum of the heats of formation of the reactants. Hint: is ΔH + or -? This about how you calculate ΔH

less than
greater than
equal to

Tags

NGSS.HS-PS1-4

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calculate the enthalpy of the following reaction:
Ca(OH)2 -> CaO + H2O
ΔHf in kJ/mol:  
      Ca(OH)2  -983.2
        CaO         -634.9
        H2O         -285.5

62.8 kJ
-62.8 kJ
-1840.6
1840.6

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

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