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LT 4.06 - 4.08
By Stefanie Wiley
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Last updated 30 days ago
6 questions
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Question 1
1.
Categorize as endothermic or exothermic
feels hot
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 = -
endothermic
exothermic
Question 2
2.
Categorize as endothermic or exothermic
sublimation
deposition
condensation
evaporation
freezing
melting
endothermic
exothermic
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