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Physics Semester Review
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Gravity
Terms in this set (22)
Boyle's Law
For a given mass of a gas at constant temperature, the volume of a gas varies inversely with pressure.
Formula:
PV=k
P1V1=P2V2
Charles' Law
The volume of a fixed mass of a gas is directly proportional to its Kelvin Temperature if the pressure is kept constant.
Formula:
V1T1=V2T2
V1/T1=V2/T2
Guy-Lussac's Law
The pressure of a gas is directly proportional to the Kelvin temperature if the volume is kept constant.
Formula:
P1T2=P2T1
P1/T1=P2/T2
Combined Gas Law
Combines Boyle's Charles', and the Temperature-Pressure relationship into one equation. Each of these laws can be derived from this law.
Formula:
V1P1T2=V2P2T1
(P1
V1)/T1=(P2
V2)/T2
Dalton's Law
At constant volume and temperature, the total pressure exerted by a mixture of gases is equal to the sum of the pressures exerted by each gas.
Ptotal=P1+P2+P3+...
Ideal Gas Law
The Ideal Gas Law relates the pressure, temperature, volume, and mass of a gas through the gas constant "R"
PV=nRT
Graham's Law
The rate of effusion/diffusion of two gases (A and B) are inversely proportional to the square roots of their formula masses.
RateA/RateB= (Molar Mass B)^1/2/(Molar Mass A)^1/2
Standard Conditions
0 C = 273 K
1.00 atm = 760.0 mm Hg = 76 cm Hg = 101.325 kPa
Conversions
K= C + 273
F= 1.8C + 32
C= (F-32)/1.8
First Law of Thermodynamics
The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroyed.
Second Law of Thermodynamics
The Second Law of Thermodynamics is about the quality of energy. It states that as energy is transferred or transformed, more and more of it is wasted. The Second Law also states that there is a natural tendency of any isolated system to degenerate into a more disordered state.
Newton's 1st Law
I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.
Newton's 2nd Law
II. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.
Newton's 3rd Law
III. For every action there is an equal and opposite reaction.
Radiation
Primary heat transfer mechanism, the sun uses to warm the earth
When a gas expands adiabatically
the internal (thermal) energy of the gas decreases
An ideal gas is compressed isothermally to one-third of its initial of its initial volume. The resulting pressure will be...
three times as large as the initial value
An ideal gas is compressed isobarically to one-third of its initial volume. The resulting pressure will be...
equal to the initial value
In a given reversible process, the temperature of an ideal gas is kept constant as the gas is compressed to a smaller volume. Which one of the following statements about the gas is correct?
The gas must be release heat to its surroundings
Internal energy
total amount of kinetic and potential energy
loss of heat
decrease of internal energy
Isothermal, isobaric, adiabatic, and isochoric
study the shape of graphs
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