24 g of magnesium metal reacts with 16 g of oxygen gas to for magnesium oxide. according to the law of conservation of mass, how much magnesium oxide weatherbee after the chemical change is complete?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.