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bearhunter [10]
3 years ago
14

Glacial striations have been found in South America, South Africa, India, and Australia. What do these marks tell scientist?

Chemistry
2 answers:
zubka84 [21]3 years ago
7 0
These mars can tell the scientist that there are still a lot of things that they can not discover. The glaciation can also tell us about the alignment of the earth and not just it can tell us about the climate. That is why it is really important for the scientist to study keenly in this kind of matters.
zalisa [80]3 years ago
3 0

that it use to be colder in that area

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A gas sample is found to contain 39.10% carbon, 7.67% hydrogen, 26.11% oxygen, 16.82% phosphorus, and 10.30% fluorine. If the mo
Doss [256]

Answer:

C6H14O3F

Explanation:

The first step is to divide each compound by its molecular weight

Carbon

= 39.10/12

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Hydrogen

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Oxygen

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= 1.63

Phosphorous

= 16.82/31

= 0.542

Flourine

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= 0.542

The next step is to divide by the lowes value

3.258/0.542

= 6 mol of C

7.67/0.542

= 14 mol of H

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= 3 mol of O

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= 1 mol of P

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= 1 mol of F

Hence the molecular formula is C6H14O3F

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2 years ago
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Answer:

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