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Chemistry

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Kevin Greenfelder

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Cards in this guide (3)
How do you know if a reaction is entropy driven enthalpy driven or driven by both enthalpy and energy

If the ∆H is positive and the ∆S is positive, then the reaction is entropy driven. If the ∆H is negative and the ∆S is negative, then the reaction is enthalpy driven. If ∆H is positive and ∆S is negative, then the reaction is driven by neither of these. If ∆H is negative and ∆S is positive, then the reaction is driven by both of these.

How is the Hfusion used to calculate the mass of solid that 1kJ of energy will melt

1kJ 1/Hfusion g/mol solid

What is the definition of specific heat (apex)

the amount of heat need to increase the temperature of 1 g of a substnace 1 C; also called specific heat capacity

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