HELPP PLEASE

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

How hot is the suns corona? (integrated science)