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3 cards from this section. Quick, good the night before a test.
What does a negative G indicate about a chemical reaction?
Think about energy use in spontaneous reactions.
What is the formula for Gibbs Free Energy?
Recall the components involved in Gibbs Free Energy.
What does a negative Gibbs Free Energy (G) indicate?
Consider the energy changes associated with spontaneous reactions.
True or False: G can change depending on temperature.
Think about how reactions behave at different temperatures.
If a reaction has H = -200 kJ and S = 0.5 kJ/K, calculate the temperature at which this reaction becomes non-spontaneous.
Set up the inequality for G, and solve for T.
Consider a biochemical reaction occurring at 310 K with H = -40 kJ and S = 0.1 kJ/K. Evaluate the spontaneity of the reaction.
Plug in values for H and TS into the Gibbs equation.
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