In a certain chemical reaction, 297g of zinc chloride was produced from a single replacement reaction of excess zinc and 202.7g of lithium chloride. what is the percent yield of zinc chloride?

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

When balancing a chemical equation:

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.