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Mnenie [13.5K]
3 years ago
15

Which statement is most accurate?

Chemistry
2 answers:
Anna [14]3 years ago
7 0
The optical density of a medium is not the same as its physical density. ... The more optically dense that a material is, the slower that a wave will move through the material<span>. ...</span>
FinnZ [79.3K]3 years ago
5 0
I'm pretty sure the answer is D. the more optically dense the material, the higher the refractive index. Sorry if this is wrong.
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Water is one of our most important resources. Only about 1% of the Earth’s water is for human needs. Name four ways you can help
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It means what are some way we can save water I think sorry if it’s wrong.
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Which of the following statements best describes the body processes alcohol
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What mass of ammonia can be produced if 13.4 grams of nitrogen gas reacted ?
aivan3 [116]

Answer:

If 13.4 grams of nitrogen gas reacts we'll produce 16.3 grams of ammonia

Explanation:

Step 1: Data given

Mass of nitrogen gas (N2) = 13.4 grams

Molar mass of N2 = 28 g/mol

Molar mass of NH3 = 17.03 g/mol

Step 2: The balanced equation

N2 + 3H2 → 2NH3

Step 3: Calculate moles of N2

Moles N2 = Mass N2 / molar mass N2

Moles N2 = 13.4 grams / 28.00 g/mol

Moles N2 = 0.479 moles

Step 4: Calculate moles of NH3

For 1 mol N2 we need 3 moles H2 to produce 2 moles NH3

For 0.479 moles N2 we'll produce 2*0.479 = 0.958 moles

Step 5: Calculate mass of NH3

Mass of NH3 = moles NH3 * molar mass NH3

Mass NH3 = 0.958 moles * 17.03 g/mol

Mass NH3 = 16.3 grams

If 13.4 grams of nitrogen gas reacts we'll produce 16.3 grams of ammonia

3 0
3 years ago
The synthesis of nitrogen trihydride from nitrogen gas and hydrogen gas is shown by which balanced chemical equation? A) N2(g) +
Zolol [24]
<span>B) N2(g) + 3H2(g) → 2NH3(g)

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Answer:

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Explanation:

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3 years ago
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