An electrochemical cell based on the following reaction has a standard cell voltage (e°cell) of 0.48 v: sn(s) + cu2+(aq) → sn2+(aq) + cu(s) what is the standard reduction potential of tin(ii)? (e°(cu2+/cu) = 0.34 v)

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy