Chemistry unit 2

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What is enthalpy change?
Measure of heat energy given out or taken in at constant pressure
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What is the standard enthalpy of formation?
The enthalpy change when one mole of substance is formed from its constituent elements under standard conditions, all reactants and products in their standard state
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What is the standard enthalpy of combustion?
The enthalpy change when one mole of substance is completely burned in oxygen under standard conditions, all reactants and products in their standard states
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What is the specific heat capacity of water?
Amount of heat needed to raise the temperature of 1g of substance by 1K
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State Hess's Law?
Enthalpy change is independent of route way taken
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Card 2

Front

What is the standard enthalpy of formation?

Back

The enthalpy change when one mole of substance is formed from its constituent elements under standard conditions, all reactants and products in their standard state

Card 3

Front

What is the standard enthalpy of combustion?

Back

Preview of the front of card 3

Card 4

Front

What is the specific heat capacity of water?

Back

Preview of the front of card 4

Card 5

Front

State Hess's Law?

Back

Preview of the front of card 5

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