Categorize as endothermic or exothermic
more energy in reactants' bonds than products'
releases energy to the surroundings
feels cold
absorbs energy from the surroundings
feels hot
∆H = +
∆H = -
more energy in products' bonds than reactants'
endothermic
exothermic
Categorize as endothermic or exothermic
freezing
deposition
sublimation
melting
condensation
evaporation
endothermic
exothermic
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)
If the heat is written on the right side of the reaction (product side), the reaction is
________________________.
LiBr(s) --> LiBr(aq) + 48.83 kJ
Determine whether the following processes are endothermic or exothermic.
NH4NO3(s) --> N2O(g) + 2 H2O(g) ΔH = -37.2 kJ
Determine whether the following processes are endothermic or exothermic.
N2(g) + O2(g) --> 2 NO(g) ΔH = +182.6 kJ