Categorize as endothermic or exothermic
absorbs energy from the surroundings
feels cold
∆H = -
more energy in products' bonds than reactants'
releases energy to the surroundings
more energy in reactants' bonds than products'
feels hot
∆H = +
endothermic
exothermic
Categorize as endothermic or exothermic
sublimation
freezing
melting
evaporation
deposition
condensation
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