How many moles of co2 are produced when 35.0 mol c2h2 react completely?

Chemistry worksheet - i am not sure what they are asking for exactly?

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

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa