Question to investigate: Will the combined mass of water ... and in a chemical change. Show the animation Conservation of Mass in Physical and Chemical Changes. Explain that whether a process involves ...

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the ...

Katie: OK, it's says three hundred grams. Miss Roberts: OK, so we are looking at the conservation of mass. Now, mass is the measure of how much stuff or matter is in an object and it's measured in ...

The mass of one substance in a reaction can be calculated if the masses of the other substances are known. For example: copper carbonate decomposes on heating to make solid copper oxide ...