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Studies the relationship between chemistry and energy.
Exothermic reaction.
Capacity to do work.
Kinetic energy is due to motion; potential energy is due to position.
Energy associated with the temperature of an object.
Energy cannot be created or destroyed.
The portion of the universe singled out for investigation.
Quantity of heat required to change temperature by 1°C.
Heat is energy transfer due to temperature difference; work is energy transfer due to force acting through distance.
Study of thermal energy exchanged between a reaction and its surroundings.
Sum of internal energy and the product of pressure and volume.
Endothermic absorbs heat; exothermic releases heat.
Change in enthalpy when 1 mol of compound forms from its elements.
It is measured as the change in enthalpy.
Reversing a reaction changes the sign of ΔH.
ΔE = q + W.
Change in internal energy at constant volume.
It comes from electrostatic forces and is converted to thermal energy.
q = m × Cs × ΔT.
Extensive properties depend on the amount of matter; intensive do not.