Reaction Enthalpies

Reaction Enthalpies

11th Grade

10 Qs

quiz-placeholder

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Reaction Enthalpies

Reaction Enthalpies

Assessment

Quiz

Chemistry

11th Grade

Hard

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

Standards-aligned

Created by

Charles Martinez

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

ΔH value in an endothermic reaction is a positive number.
True
False

Tags

NGSS.HS-PS3-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
What type of reaction is shown in the reaction pathway?
endothermic reaction
exothermic reaction

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How do you calculate Enthalpy of a reaction?

ΔH = ΔHproducts - ΔHreactants

ΔT = q / mC

ΔG = ΔH -TΔS

E = mc2

Tags

NGSS.HS-PS3-1

4.

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using the equations below:


C(s) + O2(g) → CO2(g) ∆H = –390 kJ

Mn(s) + O2(g) → MnO2(s) ∆H = –520 kJ


what is ∆H (in kJ) for the following reaction?


MnO2(s) + C(s) → Mn(s) + CO2(g)

910

130

-130

-910

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Consider the following equations.


Mg(s) + O2(g) → MgO(s)H = –602 kJ

H2(g) + O2(g) → H2O(g)H = –242 kJ


What is the ∆H value (in kJ) for the following reaction?


MgO(s) + H2(g) → Mg(s) + H2O(g)

-844

-360

+360

+844

Tags

NGSS.HS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The standard enthalpy changes of formation of carbon dioxide and of methanoic acid are −394 kJ/mol and −409 kJ/mol respectively. Calculate the enthalpy change for the reaction

H2 (g) + CO2 (g) → HCOOH (l)

−803 kJ/mol

−15 kJ/mol

+803 kJ/mol

+15 kJ/mol

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

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