Write the cell reaction and the equilibrium constant expression for, and determine the cell potentials at 25°C of the following electrochemical cells. (Use the lowest possible coefficients. Omit states-of-matter in your answer. Enter your answer using the format K = pHCl / pH2 . pCl2 to indicate partial pressures for gases or K = [H3O+] . [F-] / [HF] for aqueous chemicals.

Cr | Cr3+ (0.060 M) || Ag+ (0.68 M) | Ag

Compare and contrast refraction of light and sound will give brainliest

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?