Thermodynamics

What is defined as the direct conversion of a substance from the solid to the vapor state, or vice versa, without passing the liquid state?

The amount of heat required to raise the temperature of 1kg of water through \( 1^\circ C \) is called __________

The amount of heat required to raise the temperature of 1 lb of water by 1ºF is called ________

1 BTU is equal to how many joules?

The ratio of the mass of vapor to the total mass of the mixture is called _______

The "equation of state" refers to any equation that relates the _______ of the substance

In the equation Pv=RT, the constant of proportionality R is known as ________

The gas constant of a certain gas is the ratio of:

What is the value of the universal gas constant in kJ/kmol-K?

The _______ of a substance is the amount of heat that must be added or removed from a unit mass of the substance to change its temperature by one degree

What is the specific heat capacity of water in J/kg ºC?

What is the SI unit of specific heat capacity?

What is constant for a substance that is considered "incompressible"?

What is the measure of the ability of a material to conduct heat?

What refers to the heating of the earth's atmosphere not caused by direct sunlight but by infrared by the surface and absorbed mainly by atmospheric carbon dioxide?

What is a form of mechanical work which is related with the expansion and compression of substances?

Thermal radiation is an electromagnetic radiation with wavelengths in _______ range

What refers to the rate of thermal radiation emitter per unit area of a body?

What states that for any two bodies in thermal equilibrium, the ratios of emissive power to absorptivity are equal?

What is considered as a perfect absorber as well as a perfect emitter?