Chemistry - Thermochemistry - Exothermic and endothermic reactions - Exo vs Endo Quick Fire

10 true/false statements about energy in reactions. 1) 'Exothermic reactions release energy to surroundings' (True). 2) 'ΔH is positive for exothermic reactions' (False - negative!). 3) 'Endothermic reactions feel cold because they absorb heat from you' (True). 4) 'Combustion reactions are always ex