Reaction Enthalpies
Quiz
•
Chemistry
•
11th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Ca(OH)2 -> CaO + H2O
ΔHf in kJ/mol:
Ca(OH)2 -983.2
CaO -634.9
H2O -285.5
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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