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16 Cards in this Set

  • Front
  • Back

What is an isochoric process:

Same Volume

What is heat

Form of energy that can easily transfer to or from a system due to temperature difference

What is enthalpy

Heat absorbed or given off by the system at constant pressure

ΔHrxn=

H products - H reactants

What is the standard heat of formation

Enthalpy change occurs if 1 mole or compound formed duringevery standard condition

What is the standard heat of reaction

Enthaly change that occurs when reaction is carried out under standard conditions




(Sum of ΔHf products) - (sum of ΔHf reactants)

What is the bond dissociation energy

Energy needed to break a specific chemical bond in 1 mol of gaseous molecules

Is bond breaking exothermic or endothermic

Endothermic

Is bond formation exothermic or endothermic

Exothermic

How to calculate delta H reaction from bond dissociation energy

delta H of bonds broken - delta H of bonds formed

waht is the order of entropy for the different phases

Solid < liquid < gas

When does the system reach maximum entropy

At equilibrium

ΔG =

H - T ΔS

How to calculate ΔG rxn

G of products - G of reactants

ΔG = in temrs of Q

ΔG° + RTlnQ

x

x