# data[].attributes.body
he activation energy in photosynthesis comes from

sunlight but as energy is put into the system in photosynthesis, the delta H value increases. energy being released from the sun has a delta G of less than 0 as heat is being released. photosynthesis has delta G>0 as it takes up energy from the sun and becomes more organized as it forms glucose

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glucose is broken down to smaller particles and energy in the form of atp is made so energy is released from the glucose so the energy goes down (decreased enthalpy) while the disorder goes up (increased entrop)cellular respiration has a delta G of

<0 as releasing energy ie atp->adp

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the reaction is at equilibrium

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if gibbs free energy is >0, then the reaction is

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if gibbs free energy is >0, then the reaction is

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spontaneous backwards like photosynthesis. also knows at enderogonic reaction, requiring energy

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if gibbs free energy is less than 0 then the reaction is? does is release or need energy?

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if gibbs free energy is less than 0 then the reaction is? does is release or need energy?

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spontaeous, like cellular respiration. also known as exergonic or energy releasing reaction

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gibb free energy is equal to

available energy. Spontaeous reactions occur on their own sometimes you may need activation energy to get it started but the net loss of energy is more than the energy put in to start the reaction

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change in H (enthalpy or potential energy of a system) - T (temperature) time the change is S (entropy or how disordered a system is)

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the process in which ATP is hydrolyzed and ADP is phosphorylated (addition of phosphate group) to reform ATP

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using the products of an exergonic reaction to help run an reaction. The molecule that is essential fro coupling of reactions and cellular work is adenosine triphosphate (ATP)

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A reaction that absorbs free energy from the outside - A+B+Energy-> AB

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A reaction that produces a net gain of free energy- AB-> A+B + Energy

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the total amount of energy in a system (a cell) that can be tapped to do work. Not all energy transfers are 100%

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every energy transfer increases the entropy of the universe (disorder)

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energy can neither be created or destroyed but can change from one form to another. EX: plants convert light/energy from the sun to make chemical energy in the form of glucose.

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capacity to do work

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Sets of reactions that produce energy in the breakdown of molecules. EX: the breakdown of glucose into to carbon dioxide and water with the production of ATP

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sets of reactions that consume energy to make molecules. EX: the synthesis of DNA or protein is anabolic

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the conglomerate of all chemical reactions that occur within an organism