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15 Cards in this Set

  • Front
  • Back
What is isothermal?
Constant Temperature
What is isochoric?
Constant Volume
What is isobaric?
Constant Pressure
What is Vm ?
Vm = V/n = Volume/Moles
What is z?
z is the compressisibility factor
z = PVm/RT = 1
What is an ideal gas?
Gas particles do not exchange energy (elastic)

PV = NRT
How do you convert from Celsius to Kelvin?
C + 273 = K
What is q?
heat = flow of energy = thermal energy
What does the sign of q mean?
+q = heat flows into system
-q = heat flows out of system
What is U?
internal energy = sum of motions
1) kinetic: translational, rotational, vibrational, electronic
2) potential: intermolecular forces, bonding interactions, external forces
What is du?
Infinitesimal change of internal energy
not measureable
NOT = ΔU
What is enthalpy?
heat transferred at constant pressure = ΔH
What can be said under...
1) isothermal conditions
2) adiabatic conditions
3) isochoric conditions
4) isobaric conditions
1) dT = 0 ; dU = 0; dH = 0; dq = -dw
2) q = 0 ; du = dw = nCv,mdT
3) dV = 0 ; dw = 0; du = dq = nCv,mdT
4) dP = 0; dH = dq
Why does it take more energy for reversible work than irreversible work?
In reversible work the external pressure is constantly being changed to match the internal pressure. This is what makes it reversible!
1 L = ...
1) __ dm^3
2) ___ m^3
1) 1 dm^3
2) 1 * 10^-3 cubic meters