Thermochemistry
Thermochemistry
Thermochemistry
100
The energy absorbed or released as heat in a chemical or physical change.
What is calorimeter?
100
The amount of energy absorbed by a system as heat during a process at constant pressure.
What is enthalpy change?
100
Defined as one mole of reactant.
What is enthalpy of combustion?
200
A measure of the average kinetic energy of the particles in a sample of matter.
What is temperature?
200
The quantity of energy transferred as heat during a chemical reaction.
What is enthalpy of reaction?
200
The overall enthalpy change in a reaction is equal to the sum of enthalpy changes for the individual steps in the process.
What is Hess's law?
300
SI unit of heat as well as all other forms of energy.
What is joule?
300
An equation that includes the quantity of energy released or absorbed as heat during the reaction as written.
What is thermochemical equation?
300
Measure of the degree of randomness of the particles, such as molecules, in a system.
What is Entropy?
400
The amount of energy required to raise the temperature of one gram of a substance by one Celsius degree or one kelvin
What is Specific Heat?
400
The enthalpy change that occurs when one mole of a compound is formed from its elements in their standard state at 25 degrees Celsius and 1 atm
What is molar enthalpy of formation?
400
Combined enthalpy-entropy function.
What is Free Energy?
500
The study of the transfers of energy as heat that accompany chemical reactions and physical changes.
What is Thermochemistry?
500
At a constant pressure and temperature, the ______________, of a system is defined as the difference between the change in enthalpy, and the product of the Kelvin temperature and the entropy change.
What is free-energy change?
500
Can be thought of as the energy transferred between samples of matter because of a difference in their temperatures.
What is heat?
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