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A compound is a substance that cannot be broken down into a simpler substance. True False QUESTION 2 A sample of 508.4 grams of copper

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A compound is a substance that cannot be broken down into a simpler substance. True False QUESTION 2 A sample of 508.4 grams of copper completely reacted with oxygen to form 5/2.4 grams of a copper oxide product How many grams of exygen must have reacted? 572.432064063645084 none of the above QUESTION 3 An amorphous solid has long range, repeating orden True False QUESTION 4 Chemical properties of a substance are those that can be observed without changing the composition of a substance. True False

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