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Chemistry > Energetics > Flashcards

Energetics Flashcards

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1
Q

Enthalpy change definition

A

The heat energy transferred in a reaction at constant pressure

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2
Q

Give two examples of exothermic reactions

A

Combustion and respiration

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3
Q

Give two examples of endothermic reactions

A

Thermal decomposition and photosynthesis

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4
Q

Standard enthalpy of formation

A

Enthalpy change when one mile of a compound is formed from its elements in standard states under standard conditions

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5
Q

Standard enthalpy of combustion

A

Enthalpy change when one mole of a compound is completely burned in oxygen under standard conditions

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6
Q

Standard conditions

A

100kPa

298K

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Chemistry (25 decks)

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