Identify the chemical species undergoing reduction in the cell below:Ni(s) | Ni2+(aq) || MnO4-(aq), Mn2+ (aq), H+(aq) | Pt(s)

What is the independent variable in this investigation? mass volume sample number substance density

Which formula can be used to calculate the molar mass of hydrogen peroxide

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