Temperature and Heat

Question 1

degree of hotness or coldness measured on a definite scale

Answer 1

Temperature

Question 2

states that “ two objects are in thermal equilibrium if and only if they have the same temperature “
- if A and B are each in thermal equilibrium w/ C, A and B are in thermal equilibrium w/ each other

Answer 2

Zeroth Law of Thermodynamics

Question 3

TRUE/FALSE.
thermal equilibrium isn’t affected by adding/removing insulators

Answer 3

TRUE

Question 4

when the temp. of two systems are different, they ____________

Answer 4

cannit be in thermal equilibrium

Question 5

changes it temp.cause the liquid’s volune to change

Answer 5

thermometer

Question 6

changes in temp. cause the pressure of the gas to change

Answer 6

Pressure value

Question 7

temperature depends on ______

Answer 7

particle movement

Question 8

TRUE/FALSE.
motion of the atoms gives the object energy

Answer 8

TRUE

Question 9

“particles that make up atom are constantly in motion”

Answer 9

Kinetic Theory of Matter

Question 10

Solid = _______ atoms
Liquid = _________ atoms
Gas = _________ atoms
Plasma = _________ atoms

Answer 10

vibrating
flowing
move freely
move very fast and freely

Question 11

• measure of the avg. KE of all particles in the object
• determined by the atom’s mass and speed

Answer 11

Temperature

Question 12

Convert °C to F

Answer 12

TF = 9/5 TC + 32°C

Question 13

Convert F to °C

Answer 13

TC = 5/9 ( TF - 32°)

Question 14

Convert C to K

Answer 14

TK = TC + 273.15

Question 15

Convert F to R

Answer 15

TR = TF + 459.67

Question 16

° C —-
C° —–

Answer 16

temperature reading
change in temperature

Question 17

when temperature increases, most materials _______

Answer 17

expand

Question 18

TRUE/FALSE.
Water expands when heated or when it freezes

Answer 18

TRUE

Question 19

a transfer of energy from one sunstance to another

Answer 19

temperature change

Question 20

occurs when there is a temperature difference

Answer 20

energy transfer

Question 21

energy transfer that takes place bcoz of a temp. difference

Answer 21

heat transfer/heat flow

Question 22

energy flows from _________ to _______

Answer 22

hotter to colder object

Question 23

energy transferred between objects w/ temperature differences

Answer 23

Heat

Question 24

amount of heat required to raise the temp. of 1gram of water from 14.5 °C to 15.5°C

Answer 24

calorie

Question 25

anount of heat required to raise the temp. of 1 pound of water by F° from 63 F° to 64 F°

Answer 25

British thermal unit (Btu)

Question 26

depends on the physical state of a material

Answer 26

Temperature

Question 27

the quantitative description of the object’s hotness and coldness

Answer 27

Temperature

Question 28

refers to the energy in transit from one body or system to another bcoz of a temperature difference

Answer 28

Heat

Question 29

We can change the temp of a body by

Answer 29

adding or removing heat

Question 30

the amount of heat that must be added/removed from a unit mass of the substance to raise its temp. by 1 °C

Answer 30

Specific heat capacity, c

Question 31

quantity of heat of required to change the temp. of unit mass of substance by 1 K

Answer 31

specific heat, c

Question 32

TRUE /FALSE
Same Q, same mass (same material, constant mass)

Answer 32

TRUE

Question 33

objects w/ higher c has ______

Answer 33

less change in T

Question 34

more heat= ______

Answer 34

greater temperature change

Question 35

TRUE/FALSE.
transfer of energy thru heat follows the CONSERVATION OF ENERGY

Answer 35

TRUE

Question 36

Transfer of Energy thru heat follows the conservation of energy:

if a warmer object A and cooler object B are in contact and achieve thermal equilibrium, assuming no heat is lost to the surroundings, then the sum of the energy transferred from object A and the energy received by object B is equal to ______

Answer 36

ZERO