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