301 Chem Spring Final Part 2 Review (matching)

Match the following

• isolated system

• both matter and energy flow between system and surroundings

• path function

• energy and matter cannot be exchanged between system and surroundings

• state function

• only energy can flow between system and surroundings

• open system

• function that is only concerned with what happened at the beginning and the end

• closed system

• function that tells you amounts along the way

Match the following

• 1st Law of Thermodynamics

• Energy is neither created nor destroyed

  ΔE_univ= 0

• change in internal energy

• ΔH

• change in enthalpy (Heat)

• ΔS

• change in entropy

• ΔG

• change in free energy in the system

• ΔE

Match the following

• w

• the thing being studied

• q

• work

• system

• everything else in the universe

• universe

• the system plus the surroundings

• surroundings

• heat

Match the following

• exothermic

• -ΔH

• +

• C

• endothermic

• sign when heat or work is done on the system

• Specific heat

• sign when heat or work is done by the sytem

• -

• +ΔH

Match the following

• spontaneous

• 
• exothermic energy profile

• 
• endothermic energy profile

• ΔG is negative

• What phases are not included in

  w = -PΔV?

• ΔG is positive

• nonspontaneous

• solids or liquids

Match the following

• enthalpy (heat in standard conditions)

• +ΔS

• equilibrium

• ΔS

• decrease in entropy

• ΔH

• increase in entropy

• ΔG = 0

• entropy: measure of microstates

• -ΔS

Match the following

• never spontaneous

• Second Law of Thermodynamics

• spontaneous at high temperatures

• -ΔH and +ΔS

• The entropy of the uiniverse is increasing.

• -ΔH and -ΔS

• always spontaneous

• +ΔH and +ΔS

• spontaneous at low temperatures

• +ΔH and -ΔS