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LT 4.06 - 4.08
By Stefanie Wiley
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Last updated about 2 months ago
6 questions
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Question 1
1.
Categorize as endothermic or exothermic
feels hot
endothermic
Question 2
2.
Categorize as endothermic or exothermic
sublimation
deposition
condensation
evaporation
freezing
Question 3
3.
If the heat is written on the
left side
of the reaction (the reactant side), the reaction is
_________________________.
H
2
(g) + I
2
+
53.0 kJ
--> 2 HI(g)
endothermic
exothermic
Question 4
4.
If the heat is written on the
right side
of the reaction (product side), the reaction is
________________________.
LiBr(s) --> LiBr(aq) +
48.83 kJ
endothermic
exothermic
Question 5
5.
Determine whether the following processes are
endothermic or exothermic.
NH
4
NO
3
(s) --> N
2
O(g) + 2 H
2
O(g) ΔH = -37.2 kJ
exothermic
endothermic
Question 6
6.
Determine whether the following processes are
endothermic or exothermic.
N
2
(g) + O
2
(g) --> 2 NO(g) ΔH = +182.6 kJ
endothermic
exothermic
feels cold
releases energy to the surroundings
absorbs energy from the surroundings
more energy in reactants' bonds than products'
more energy in products' bonds than reactants'
∆H = +
∆H = -
exothermic
melting
endothermic
exothermic