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Chem 1146
Test 2
18
Chemistry
Undergraduate 2
10/02/2012

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Cards

Term
What is energy?
Definition
The ability to do work or transfer heat.
Term
What are the two formulas for work?
Definition
w=f*d; w=-P/\V
Term
What is heat?
Definition
Energy used to cause the temperature of an object to rise.
Term
What is the formula for a Joule?
Definition
1J=(1(kg*m^2/s^2))
Term
What is one calorie in joules?
Definition
1 Cal= 4.184J
Term
What is potential energy?
Definition
Energy possessed by an object because of position or chemical composition.
Term
What is the most important form of potential energy?
Definition
Electrostatic potential energy
Term
What is the formula for electrostatic potential energy?
Definition
E_el= (K*Q_1*Q_2/d)
Term
What is the formula for kinetic energy?
Definition
E_k= (1/2)mv^2
Term
What is the first law of thermodynamics?
Definition
-Enegry is neither created nor destroyed.
-Total energy of the universe is constant; if the system loses energy, it must be gained by the surroundings, and vice versa.
Term
What is the symbol for heat?
Definition
q
Term
What is the symbol for change in heat?
Definition
Q
Term
What is the symbol for Work?
Definition
w
Term
What is the symbol for enthalpy?
Definition
H
Term
What is the equation for enthalpy?
Definition
H=E+P*V
Term
What is the symbol for volume?
Definition
V
Term
What is the symbol for pressure
Definition
P; measured in (atm)
Term
What is the formula for specific heat?
Definition
C= (q/M/\T)
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