Chapter 17 - Thermochemistry

Question 1

thermochemistry

Answer 1

the study of energy changes that occur during chemical reactions and changes in state

Question 2

chemical potential energy

Answer 2

the energy stored in chemical bonds

Question 3

law of conservation of energy

Answer 3

in any chemical and physical process energy is neither created or destroyed

Question 4

endothermic process

Answer 4

absorbs heat from its surroundings

Question 5

exothermic process

Answer 5

releases heat to its surroundings

Question 6

heat capacity

Answer 6

the amount of heat needed to increase the temperature one degree C

Question 7

specific heat

Answer 7

the amount of heat needed to increase the temperature of one gram of the substance one degree C

Question 8

calorimetry

Answer 8

the exact measurement of the heat flow in and out of a system

Question 9

enthalpy

Answer 9

the heat content of a system at constant pressure

Question 10

the equation to measure enthalpy

Answer 10

q=mCAT

Question 11

heat of combustion

Answer 11

the complete burning of one mol of the substance

Question 12

heat of reaction

Answer 12

the enthalpy change of the chemical equation