Explain why mass cannot be used as a property to identify a sample of matter?
On page 59 of your Prentice Hall Chemistry Book, answer questions 60-63
(28) Key Concept How does a chemical change affect the composition of matter? Hint
(29) Key Concept Name four possible clues that a chemical change has taken place.Hint
(30) Key Concept In a chemical reaction, how does the mass of the reactants compare with the mass of the products?Hint
(31)What is the main difference between physical changes and chemical changes?
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