chapter 17

Question 1

endothermic process

Answer 1

A process that absorbs heat from the surroundings

Question 2

enthalpy

Answer 2

The heat content of a system at constant pressure

Question 3

exothermic process

Answer 3

A process that releases heat to its surroundings

Question 4

heat

Answer 4

Energy that transfers from one object to another because of temperature difference between the objects

Question 5

heat capacity

Answer 5

The amount of heat needed to increase the temperature of an object exactly 1°C

Question 6

hess law of heat summation

Answer 6

if you addtwo or more Theo chemical equations to give a final equation then you also add the heat of reaction to give the final heat of reaction

Question 7

law of conservation of energy

Answer 7

in any chemical or physical process energy is neither created nor destroyed

Question 8

specific heat

Answer 8

The amount of heat needed to increase the temperature of 1 g of the sun since 1°C

Question 9

thermochemistry

Answer 9

The study of energy changes that occur during chemical reactions and changes and state

Question 10

calorimetry

Answer 10

The precise measurement of heat flow out of the system or chemical and physical processes