Physics Libretext

Indicated by the change in temperature when energy is added or removed. The equation to find thermal energy is ΔEthermal = mcΔT (Where m = mass, c = specific heat, and ΔT is final minus initial temperature.

Thermal Energy

Indicated by a phase change of the substance when energy is added or removed. The equation for bond energy is ΔEbond = ΔmΔH (Where Δm = the change in mass, and ΔH is the heat capacity).

Bond Energy

Transfer of energy from a warmer object to a colder object.

Heat

Sum of all the energies associated with the individual molecules/atoms comprising a substance.

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University of Michigan - Ann Arbor

A property that must be transferred to perform some work or heat something up.

Energy

Internal Energy

Energy involving the movement of a physical object as a whole.

Mechanical Energy

Energy cannot be created nor destroyed. Energy is transferred through heat or work. The formula is ΔEtotal = Q + W (Where Q is heat and W is work).

Conservation of Energy

Electric potential is measured in volts and it is the difference required to bring one unit of infinite electric charge to a particular point. 

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