Stress Pattern

Number of Syllables

Primary Stress

en do THER mic or EN do ther mic

4

third

Suggested exercises

1. Help a student remember whether it is an endothermic reaction or an exothermic reaction that generates heat.
F

Useful words

endo- (Latin, inside)
exo- (Latin, outside)
endo- take in heat
exo- give off heat
think of delta H as a reactant
flask feels cold
F

2. For the diagram shown, explain what is the "system" and what is the "surroundings".
F

reactants
products
solvent
flask
laboratory air
thermostatic bath
F