301 Chem Spring Final Part 2 Review (matching)

Match the following

• closed system

• energy and matter cannot be exchanged between system and surroundings

• path function

• only energy can flow between system and surroundings

• open system

• both matter and energy flow between system and surroundings

• state function

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

• isolated system

• function that tells you amounts along the way

Match the following

• change in enthalpy (Heat)

• ΔH

• change in internal energy

• ΔE

• change in entropy

• ΔG

• change in free energy in the system

• ΔS

• 1st Law of Thermodynamics

• Energy is neither created nor destroyed

  ΔE_univ= 0

Match the following

• universe

• heat

• system

• the system plus the surroundings

• w

• the thing being studied

• q

• everything else in the universe

• surroundings

• work

Match the following

• Specific heat

• +ΔH

• +

• -ΔH

• endothermic

• C

• -

• sign when heat or work is done on the system

• exothermic

• sign when heat or work is done by the sytem

Match the following

• exothermic energy profile

• solids or liquids

• endothermic energy profile

• 
• What phases are not included in

  w = -PΔV?

• ΔG is negative

• spontaneous

• 
• nonspontaneous

• ΔG is positive

Match the following

• increase in entropy

• ΔS

• entropy: measure of microstates

• ΔG = 0

• decrease in entropy

• +ΔS

• enthalpy (heat in standard conditions)

• -ΔS

• equilibrium

• ΔH

Match the following

• always spontaneous

• -ΔH and -ΔS

• never spontaneous

• -ΔH and +ΔS

• The entropy of the uiniverse is increasing.

• Second Law of Thermodynamics

• spontaneous at low temperatures

• +ΔH and -ΔS

• spontaneous at high temperatures

• +ΔH and +ΔS