2324 Law of Conservation of Mass

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CHOOSE THE CORRECT ANSWER
Options: A, B, C, D

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A

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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3

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NGSS.MS-PS1-1

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What happens to the total mass of the substances after a chemical reaction?

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It remains the same.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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Choose the correct answer: A, B, C, D

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A

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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Mass of heat pack after chemical reaction in a closed system (initial mass: 15 g)?

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15 g

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

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3

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NGSS.MS-PS1-1

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Matter can not be created nor destroyed: it can only be

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Transformed, changed

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NGSS.MS-PS1-5

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If reaction starts with 20g of reactants, what is the total mass of products produced?

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a total of 20g of products

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NGSS.MS-PS1-5

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Law of Conservation of Mass

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Mass is never created or destroyed

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NGSS.MS-PS1-5

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Maria fills a bowl with 200 g of water and freezes it. What is the mass of the frozen water? Options: 50 g, 100 g, 200 g, 400 g

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200 g

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NGSS.MS-PS1-4