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WorksheetsEnthalpy of Reaction
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
ΔH value in an endothermic reaction is a positive number.
a)
True
b)
False
2.
What type of reaction is shown in the graph?
a)
endothermic reaction
b)
exothermic reaction
3.
H2 + ½ O2 --> H2O + 285 kJ
is an example of a(n)
a)
Electrical equation
b)
Heat equation
c)
Thermochemical equation
4.
C+ O2 --> CO2 + 60kJ
what is the ΔH for the reaction?
a)
+60
b)
-60
c)
there is no way to know
5.
How do you calculate Enthalpy of a reaction?
a)
ΔH = ΔHproducts - ΔHreactants
b)
ΔT = q / mC
c)
ΔG = ΔH -TΔS
d)
E = mc2
6.
Endothermic reactions feel
a)
warm
b)
cold
7.
Which symbol represents Enthalpy change?
a)
ΔH
b)
ΔT
c)
ΔG
d)
ΔS
8.
usually in chemistry the pan here is...
a)
the system
b)
the universe
c)
the surroundings
d)
system + surroundings
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