For every two QH2 (ubiquinol) that enter the Q cycle, one is regenerated and the other passes its two electrons to two cytochrome c1 centers. The overall equation is: QH2 + 2 cyt c1 (Fe3+) + 2 H+ → Q + 2 cyt c1 (Fe2+) + 4 H+ Calculate the free energy change associated with the Q cycle. Use 3 significant figures.

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Q: What is the systematic name of the compound shown below?

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Q: Which of these salts are acidic in aqueous solution 1)CsCN 2)NaF 3)NH4I 4)NaCl 5)KI 6)NaBr

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.