Energy Transformations
Thermal Energy
Electrons
The Mole
Energy of Chemical Reactions
100
This type of energy describes the energy stored in chemical bonds
What is chemical energy?
100
This is a convention used to measure thermal energy
What is temperature?
100
The lowest energy electron configuration for an atom.
What is the ground state?
100
Avogadro's number
What is 6.02 x 10^23?
100
the starting materials of a reaction
What are the reactants?
200
This energy describes the motion of atoms and particles.
What is thermal energy?
200
The unit for heat
What is joule (J)?
200
An electron will jump up to this state when it absorbs the right amount of energy.
What is the excited state?
200
The mass of one mole of an element (molar mass) can be found here / is the same as this.
What is the atomic mass (on the periodic table)?
200
a reaction that releases heat (burning wood is an example of this)
What is exothermic reaction?
300
This type of energy involves the movement and position of electrons
What is electrical (electronic) energy?
300
All kinetic energy of particles stops at this temperature
What is 0K?
300
This type of energy is released when an electron falls in energy levels.
What is radiant energy?
300
Unit for molar mass
What is g/mol?
300
symbol for the heat of reaction
What is delta H?
400
This type of energy is gained (or lost) by particles during a phase change upon heating (or cooling).
What is potential (chemical) energy?
400
This constant is specific for each material and describes the amount of heat required to heat 1 gram of material by 1 degree Celsius (or Kelvin)
What is specific heat capacity?
400
The electrons on the inner, filled orbitals of an atom
What are the core electrons?
400
Reduced form of a molecular formula
What is the empirical formula?
400
The The energy difference between the potential energy of the reactants and the potential energy of the products?
What is delta H (heat of reaction)?
500
This type of energy is gained (or lost) by particles within a stable phase when they are being heated (or cooled).
What is thermal (kinetic) energy?
500
The unit for specific heat capacity
What is J/gC or J/gK?
500
When the electrons of an atom are excited, they release this type of spectrum of light upon electron relaxation.
What is a bright line emission spectrum?
500
Formula for calculating the average atomic mass of 3 naturally occurring isotopes
avg atomic mass = (% abundance 1 ) (mass 1) + ((% abundance 2 ) (mass 2) +(% abundance 3 ) (mass 3)
500
The energy needed to make the reaction proceed; energy between the reactants and the activated complex
What is the activation energy?
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