Heat/Energy/Temperature

Question 0

the energy in a gallon of gasoline is ..

Answer 0

chemical potentiometer energy

Question 1

energy is the ability to..

Answer 1

do work or produce heat

Question 2

the law of conservation of energy says in a chemical reaction or physical process energy can be ___ but it cannot be ___

Answer 2

converted; created or destroyed

Question 3

a measure of the average kinetic energy of the particle in a sample of matter is

Answer 3

temperature

Question 4

the two types of potential energy are caused by the __ of an object

Answer 4

composition or position

Question 5

kinetic energy is the energy of

Answer 5

motion

Question 6

energy flowing from warmer to cooler objects is

Answer 6

heat

Question 7

what is a calorie?

Answer 7

the amount of heat needed to raise them temp of 1 gram of water 1 degree Celsius

Question 8

what is a Calorie?

Answer 8

1000 calories

Question 9

an endothermic reaction is one which

Answer 9

absorbs energy

Question 10

the study of heat changes that accompany chemical reactions is known as

Answer 10

thermochemistry

Question 11

the enthalpy of fusion is the amount of heat needed to

Answer 11

melt 1 mole of a solid substance

Question 12

what is the major problem in using solar energy at this time?

Answer 12

we have not come up with an efficient and effective method for storing solar energy

Question 13

enthalpy of combustion is the enthalpy change that occurs with

Answer 13

the complete burning of 1 mole of a substance

Question 14

a calorimeter is a device designed to measure

Answer 14

the amount of heat absorbed or released in a process

Question 15

which substance is used to measure heat transfer in a calorimeter?

Answer 15

water

Question 16

a possible chemical method for making solar energy more useful includes the use of

Answer 16

hydrates

Question 17

this chemical method of making solar energy more useful is based on which of the following?

Answer 17

the reaction soaks up energy from the sun daily and releases it at night in a different reaction

Question 18

heat can be transferred in 3 ways.. what are they?

Answer 18

conduction
convection
radiation

Question 19

heat transfer by direct contact, usually in solids such as metals

Answer 19

conduction

Question 20

transfer of best by the movement of the heated medium, in liquids and gases

Answer 20

convection

Question 21

transfer of heat in the form of waves through space, also known as I fared radiation

Answer 21

radiation