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Chem > Thermochemistry > Flashcards

Thermochemistry Flashcards

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1
Q

Endothermic

A

System absorbs heat from surroundings, temp of surroundings decreases

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2
Q

Calorimetry (heat inc/dec)

A

q(surr) = mcΔT

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3
Q

Enthalpy with Bond Energies

A

ΔH(rxn) = sum of react bond e - sum of prod bond e

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4
Q

Molar enthalpy

A

ΔH(sys) = nΔHx

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5
Q

Calorimetry

A

nΔHx(sys) = -mcΔT(surr)

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6
Q

Hess’s Law

A

ΔH(target) = sum of ΔH (individual steps)

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7
Q

Standard Enthalpy of Formation

A

ΔH = sum of nΔH(f,prod) - sum of nΔH(f,react)

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8
Q

Exothermic

A

System transfers heat to surrounding, temp of surrounding increases

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Chem (6 decks)

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