Twenty-four grams of magnesium metal reacts with sixteen grams of oxygen gas to form magnesium oxide. according to the law of conservation of mass, how much magnesium oxide will there be after the chemical change is complete? never mind i got it

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Why are people not able to skip a dive to the deepest part of the ocean

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.