A mass of 50g of calcium carbonate is heated, releasing carbon dioxide and calcium
oxide. Which of these recorded masses of products is possible, according to the Law of
Conservation of Mass?
Select one:
23g of carbon dioxide, 50g of calcium oxide
29g of calcium oxide, 21g of carbon dioxide
50g of calcium oxide, 50g of carbon dioxide
50g of calcium oxide, 1g of recorded carbon dioxide
Answers: 2
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Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.
Answers: 1
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Is the flow of energy during vaporizing more like the flow during melting or during freezing
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Answers: 1
A mass of 50g of calcium carbonate is heated, releasing carbon dioxide and calcium
oxide. Which of...
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