Intro to Thermo/Enthalpy | Quizlet

____ is the transfer of thermal energy between two bodies that are at different temperatures.

heat

____is the study of heat change in chemical reactions.

Thermochemistry

The____ is the specific part of the universe that is of interest to us, and the ____ is the rest of the universe outside of it.

system....surroundings

In an isolated system, which of the following can be exchanged with the surroundings?

neither heat or mass

In a closed system, which of the following can be exchanged with the surroundings?

heat

In an open system, which of the following can be exchanged with the surroundings?

both heat and mass

Any process that transfers thermal energy from the surroundings to the system is called?

endothermic

Any process that transfers thermal energy from the system to the surroundings is called?

exothermic

____are properties that are determined by the state of the system, regardless of how that condition was achieved.

state functions

____________ (H or qp) is heat transfer at constant pressure

enthalpy

A____________is an equation that shows the enthalpy changes AND the mass/molar relationships.

thermochemical equation

What is the equation used to calculate work?

w = -PΔV