Name: __________________________________ Date: ________________ Class: __________
Define the following terms, using your notes and textbook readings (try not to use the internet):
Thermochemistry
System
State function
Enthalpy (heat) of
reaction(ΔHrxn)
Energy
Surroundings
Specific heat capacity (Cp)
or (Cs)
Coffee cup calorimeter
Work
Joule (J)
Molar heat capacity
Hess’s Law
Heat
calorie (cal)
Pressure-volume work
Standard state
Kinetic energy
Calorie (C)
Calorimetry
Thermal energy
Kilowatt-hour
(kWh)
Bomb calorimeter
Potential energy
Thermodynamics
Enthalpy (H)
Chemical energy
First law of
thermodynamics
Endothermic reaction
Law of conservation of
energy
Internal energy (E)
Exothermic reaction
Standard enthalpy change
(ΔH⁰)
Standard enthalpy of
formation (ΔHf⁰)
1. What is the difference between heat and work?
2. What is calorimetry and how can it be used to determine the energies of a reaction?
3. How do specific heat capacities and molar heat capacities compare?
4. Thoroughly explain Hess’s Law. How can this be used for multiple thermodynamic properties?
5. Complete the following questions from your textbooks. Use the list to cross out your progress.
Page 273-279, #1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 31, 33, 36, 37, 39, 41, 45, 47, 49, 53, 57, 59, 61, 63, 69, 71, 73, 75, 77,
78, 81, 83
Unit 6