Forms of Energy
Heat!
Enthalpy & Entropy
Hess's Law
State Changes
100
The ability to do work or produce heat
What is energy?
100
The total movement of molecules in a substance
What is heat?
100
The amount of heat absorbed or released by a reaction
What is enthalpy?
100
The total enthalpy change is the same for a reaction regardless of the path the reaction takes
What is Hess's Law?
100
Gas--->Solid
What is deposition?
200
The energy of motion
What is kinetic energy?
200
Kelvin, Celsius, Farenheit
What are units of measurement of temperature?
200
The measure of disorder or chaos
What is entropy?
200
A unit of measurement used in chemistry to express amounts of a chemical substance
What is a mole?
200
Any part of a system that has uniform composition and properties
What is a phase?
300
The transfer of energy from one object to another
What is work?
300
The average molecular motion in a substance
What is temperature?
300
The amount of energy absorbed by a system as heat during a process at constant pressure
What is enthalpy change?
300
The first equation you see in a Hess's Law problem
What is the target equation (or equation of interest)?
300
Liquid--->Gas
What is vaporization?
400
A group of atoms bonded together
What is a molecule?
400
Q, C, m, ΔT
What is heat, specific heat, mass, and change in temperature?
400
The amount of energy needed for a reaction to take place
What is activation energy?
400
The number of main steps you must take in order to solve a Hess's Law equation
What is 4?
400
The outside of your water bottle is "sweating"
What is condensation?
500
Energy cannot be created or destroyed. It can only be transferred from one object to another
What is the Law of the Conservation of Energy?
500
The amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius
What is specific heat?
500
The highest point of energy between the reactant(s) and the product(s)
What is the transition state?
500
The enthalpy change that occurs when one mole of a compound is formed from its elements in their standard state at 25 °C and 1 atm
What is enthalpy of formation?
500
The point at which all three phases of matter are in equilibrium with each other on a phase change diagram
What is the triple point?
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