Consider the following reaction, in which two electrons are transferred from cytochrome-c (reduced):

2cyct c[fe2+] + pyruvate+ 2h+> 2cyt c[fe3+] +lactate

a) \varepsilon 0 for the reaction at ph 7 and 298k

b) calculate the equilibrium constant for the reaction at ph 7 298k

c) calculate the gibbs free energy change for the reaction at ph 7 and 298k

d)calculate the gibbs free energy change (at ph7 and 298k) if the lactate concentration is five times the pyruvate concentration and the cytochrome c (fe3+) is ten times the cytochrome c (fe2+)

Compare and contrast physical changes with chemical changes.

What is true for a substance that releases energy

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.