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LT 4.06 - 4.08
By Stefanie Wiley
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Last updated 27 days ago
6 questions
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Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Categorize as endothermic or exothermic
∆H = -
feels hot
feels cold
∆H = +
more energy in reactants' bonds than products'
releases energy to the surroundings
absorbs energy from the surroundings
more energy in products' bonds than reactants'
endothermic
exothermic
Categorize as endothermic or exothermic
melting
freezing
evaporation
sublimation
deposition
condensation
endothermic
exothermic
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
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
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
Determine whether the following processes are
endothermic or exothermic.
N
2
(g) + O
2
(g) --> 2 NO(g) ΔH = +182.6 kJ
endothermic
exothermic