WELL DETAILED ANSWERS
1 calorie = ? joules - ✔✔4.184 joules
1 food calorie = ? cal - ✔✔1000 cal
Gravitational potential energy equation - ✔✔E=mgh
Kinetic energy equation - ✔✔KE=1/2mv^2
q calorimeter = ? q rxn - ✔✔-q rxn
Change in internal energy equation - ✔✔ΔE = q + w
q unit - ✔✔J (energy exchanged between the system and surroundings as heat)
w unit - ✔✔J (energy exchanged between the system and surroundings as work)
q>0 - ✔✔endothermic (system absorbs heat, energy added to the system, heat is being transferred to
the system from the surroundings)
q<0 - ✔✔exothermic (system evolves heat, system loses heat energy to the surroundings, heat is exiting
the system)
w>0 - ✔✔surroundings does work on system (work done on system)
w<0 - ✔✔system does work on surroundings (work done by system)