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LT 4.06 - 4.08

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Last updated about 2 months ago
6 questions
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10
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6
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1
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1
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1
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1
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
_________________________.
H2(g) + I2 + 53.0 kJ --> 2 HI(g)

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

Question 5
5.

Determine whether the following processes are endothermic or exothermic.
NH4NO3(s) --> N2O(g) + 2 H2O(g) ΔH = -37.2 kJ

Question 6
6.

Determine whether the following processes are endothermic or exothermic.
N2(g) + O2(g) --> 2 NO(g) ΔH = +182.6 kJ

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