Samuels PS Heat Thermodynamics

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Natural processes tend toward increased entropy and a loss of usable energy

If a scientist wanted to measure the heat involved in a physical change, he or she would use

The amount of heat needed to change its temperature by a specific amount and is represented by C

In thermodynamics, the part of the universe that is being studied is known as the ____________ and everything else is called the _____________.

If no thermal energy is being transferred or you do not feel any heat

The transfer of thermal energy from an object of higher temperature to lower temperature and is represented by Q

The amount of heat needed to cause a unit rise in the temperature of a unit mass of the substance and is represented by c

A cell phone loses heat to the atmosphere around it. This is an example of