47 True/False questions

absolute scale → The Kelvin scale of temperature is called a(n) ____ ____ because its lowest possible temperature has the value of 0 K.

freezing → term for a liquid changing into a solid

conduction, convection, and radiation → the three methods of heat tranfer

condensation → term for a gas changing into a liquid (the opposite of vaporization)

calorimeter → term for the use of a calorimeter to meaure the equilibrium temperature of a mixture

heat → letter that represents the coefficient of linear expansion

expands → In general, it takes about __ calorie(s) to raise a gram of water one degree Celsius.

Sir William Thomson (Lord Kelvin) → great nineteenth century physicist who devised the Kelvin scale of temperature

calorie → term for an insulated container in which scientists mix two substances

calorimetry → term for an insulated container in which scientists mix two substances

exothermic → Because heat is released spontaneously by a freezing liquid, freezing is a(n) _____ process.

Q lost = Q gained → equation for the law of heat exchange

heat flow → term for the amount of heat transferred from one end of a segment to the other per unit time

thermal insulator → term for a material that does not conduct heat efficiently

internal energy → term for the measure of an object's molecular kinetic energy and molecular potential energy

specific heat → term for the heat required to raise the temperature of a unit mass by one degree

273.15 → absolute zero in degrees Celsius

thermometers → term for the process of measuring temperature

endothermic → Because heat is released spontaneously by a freezing liquid, freezing is a(n) _____ process.

triple point → term for a liquid changing into a solid

Gabriel Daniel Fahrenheit → German physicist who invented the mercury thermometer in 1714

Celsius scale → the standard termperature scale employed for scientific purposes

linear expansion → term for the heat that must be absorbed per gram to melt a solid

True → the metric unit of heat

conduction → the method of heat transfer in which agitated motion is transmitted between molecules in contact with each other

radiation → term for a liquid changing into a gas

thermal equilibrium → term for the state in which who objects are the same temperature

vaporization → term for a liquid changing into a gas

heat capacity → term for the heat required to raise a body's temperature by one degree

one → In general, it takes about __ calorie(s) to raise a gram of water one degree Celsius.

convection → the method of heat tranfer in which heat is carried by moving material

4.58 mm Hg and 0 degrees C → the ice point on the Celsius scale

True → the metric unit of heat

thermal conductivity → term for a material that conducts heat efficiently

1/273 → the ice point on the Kelvin scale

α → letter that represents the coefficient of linear expansion

4.184 → One calorie equals ___ Joule(s).

thermometry → term for the process of measuring temperature

absolute zero → The Kelvin scale of temperature is called a(n) ____ ____ because its lowest possible temperature has the value of 0 K.

joule → the metric unit of heat

273.15 → absolute zero in degrees Celsius

0 degrees → the ice point on the Celsius scale

thermal conductor → term for a material that does not conduct heat efficiently

heat of fusion → term for the transfer of heat energy from one part of a body to another

melting → term for a liquid changing into a solid

heat conduction → term for the transfer of heat energy from one part of a body to another

heat of vaporization → term for a liquid changing into a gas