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Chemistry

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Rachel Erdman

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2y ago
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Cards in this guide (10)
What is Gibbs Free energy

The usable energy released or absorbed by a reaction.

Which is true of the enthalpy of a reaction

Its value does not depend on which reactions are added.

How is the Hfusion used to calculate volume of liquid frozen that produces 1 kJ of energy

1kJ 1/Hfusion g/mol ml/g liquid

How does entropy change in gas reactions

Reactions that increase the moles of gas will increase in entropy.

What happens when a glass of water is set in the sun until the water evaporates

Entropy increases.

What is the value for G at 300 K if H 27 kJmol and S 0.09 kJmolK

G = 0 kJ/mol

What is the name of the field of study with laws that describe how energy is transferred to different locations and forms

Thermodynamics

What does S0 mean

the system has become more random

Under what conditions will a low temperature make a reaction spontaneous

if H and S are both negative

How is the H fusion used to calculate the energy released when a mass of liquid freezes

grams liquid x mol/g x H fusion

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