How many grams of NO can be produced by the reaction 53.9 grams of Ag with excess HNO3?

Calculate the number of molecules present in 0.750 mol of mgo.

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

What volume would 2.25 moles of ne has occupy at stp?