Calculate the mass of oxygen that combines with 20.4 g of magnesium to form 34.0 g of magnesium oxide. 2Mg + O2 + 2Mgo

Ibelieve it's celsius. hope this .

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

Ijust took the quiz. their is no coefficient needed. : )