Thermochem

Question 1

Energy

Answer 1

The capacity to do work

Question 2

Thermal Energy

Answer 2

The energy associated with the random motion of atoms and molecules

Question 3

Chemical Energy

Answer 3

the energy stored in the bonds of the chemical substances

Question 4

System

Answer 4

specific part of the universe that is in interest of the study (where the expirement is taking place)

Question 5

Exothermic

Answer 5

-Any process that gives off heat
-Transfers thermal energy from system to surrounding
-Heat absorbed by surroundings from system
-Products are lower than reactants
-(-)

Question 6

Endothermic

Answer 6

-Heat has to be supplied to the system from the surroundings
-Heat absorbed by the system from the surroundings
-(+)
-Products are higher than reactants

Question 7

Thermodynamics

Answer 7

scientific study of interconversion of heat and other kinds of energy

Question 8

State functions

Answer 8

properties that are determined by the state of the system -regardless of how condition was achieved
-energy, pressure, volume, temp

Question 9

First law of thermodynamics

Answer 9

energy can be converted from one form to another but cannot be created or destroyed

Question 10

Enthalpy

Answer 10

quantify the heat flow into or out of a system in a process that occurs at a constant pressure

Question 11

Standard enthalpy formation

Answer 11

the heat change that results when one mole of a compound is formed from its elements at a pressure of 1 atm