Integrated Physics and Chemistry unit 5 Review
entropy
a measure of disorder
insulation
any material that reduces heat flow
If two different substances, with the same mass (1 gram) absorb the same amount of energy, which of the following can be predicted?
The temperature of the substance with the lower specific heat will increase more than the one with a higher specific heat.
compressor
a pump that increases the pressure of a gas
conduction
a spoon resting in a cup of tea gets hot
R-value
a standardized measure of the ability to insulate
Which of the following is an example of an internal combustion engine?
cannon
radiation
heat flow away from the emitting object by means of electromagnetic waves, mostly in the infrared region
convection
heat flow due to the mass motion of a fluid
If the internal energy of a system increases but there is no change in temperature, then the system's ____________ energy is increasing.
potential
Fuel is combusted in the _____ stroke of a four-stroke engine.
power
The component of a refrigerator or air conditioner that absorbs and releases heat energy is the _____.
refrigerant
Which of the following can supply the energy for modern home heating systems?
solar geothermal biomass electricity
radiation
the Sun warming the Earth
specific heat capacity
the quantity of energy that a given mass of substance must absorb to increase its temperature by a specific amount
Which of the following reduces energy loss due to conduction, convection, and radiation?
thermos bottle
convection
water warming on a stove