heat

Question 1

avogadro constant

Answer 1

the number of atoms in 12g of 12c

Question 2

boiling

Answer 2

take place throughout a liquid and always occurs at the same temperature

Question 3

boyle’s law

Answer 3

at constant temperature the pressure of a gas is inversely proportional to its temperature
(temperature same)

Question 4

charles’s law

Answer 4

at a constant pressure the volume of a gas is proportional o its temperature
(pressure same)

Question 5

evaporation

Answer 5

takes place at the surface of a liquid and can happen at all temperature

Question 6

internal energy

Answer 6

the sum of the total intermolecular potential energy and the total random kinetic energy of the molecules in a substance

Question 7

isothermal

Answer 7

constant temperature

Question 8

molar mass

Answer 8

The mass of one mole of a substance

Question 9

mole

Answer 9

the amount of a substance that contains the same number of atoms or molecules as the number of atoms in 12g of 12c

Question 10

pressure law

Answer 10

at a constant volume the pressure of a gas is proportional to its temperature (in K)

Question 11

specific heat capacity

Answer 11

the amount of energy require to raise the temperature of the unit mass of a substance by 1 K

Question 12

specific latent heat

Answer 12

the amount of energy per unit mass of a substance absorbed and released during a change of phase (no temperature change)

Question 13

temperature

Answer 13

a measure of the average random kinetic energy of the molecule in a substance

Question 14

thermal capacity

Answer 14

the amount of energy required to raise the temperature of an object by 1K

Question 15

thermal equilirbium

Answer 15

a situation where objects are at the same temperature