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slava [35]
3 years ago
13

Which statements are correct regarding the Law of Conservation of Matter and Energy?

Chemistry
1 answer:
Elden [556K]3 years ago
5 0

Answer:

Matter or energy can change from one form to the other

Explanation:

The law of conservation of energy states that energy can neither be created nor destroyed but can only be transformed i.e. changed from one form to another. For example, mechanical energy can be changed to electrical energy.

Likewise, the law of conservation of mass/matter states that matter can not be destroyed or created but can change via physical or chemical means to conserve it. For example, matter can change from liquid state to gaseous state.

From the above two laws, it can be said that "matter or energy can change from one form to the other".

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Which describes the two ways that energy is measured?
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4 years ago
2Fe +3S= Fe2S3 how many grams of sulfur are involved in this reaction if 95 grams of iron are needed to react with sulfur
Zepler [3.9K]

Answer:

83 g

Explanation:

Step 1: Write the balanced equation

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The molar ratio of Fe to S is 2:3. The moles of S needed are 3/2 × 1.7 mol = 2.6 mol

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2.6 mol × 32.07 g/mol = 83 g

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3 years ago
What are the three particles of an atom?
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