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11111nata11111 [884]
3 years ago
8

Using the Assignment: Locating the Epicenter, What was the length of the radius of the circle of from the Buenos Aires station?

(in cm)
Question 1 options:


3.2 cm


4.8 cm


5.76 cm


8 cm
Chemistry
1 answer:
svetoff [14.1K]3 years ago
6 0
It may be 4.8cm? Tell me if i’m wrong or right. I’m so sorry if it’s wrong.
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The compound methyl butanoate smells like apples. Its percent composition is 58.8% C, 9.9% H, and 31.4% O. What’s the empirical
blsea [12.9K]
To find the empirical formula you would first need to find the moles of each element:

58.8g/ 12.0g = 4.9 mol C

9.9g/ 1.0g = 9.9 mol H

31.4g/ 16.0g = 1.96 O

Then you divide by the smallest number of moles of each:

4.9/1.96 = 2.5

9.9/1.96 = 6

1.96/1.96 = 1

Since there is 2.5, you find the least number that makes each moles a whole number which is 2.

So the empirical formula is C5H12O2.
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4 years ago
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3 years ago
What is the number of valence electrons that most atoms prefer?
Artyom0805 [142]

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Explanation:

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The table above lists the wavelength range, frequency range, possible uses, and hazards of the seven types of electromagnetic
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Atoms contain three types of particles. in the nucleus there are positively charged protons as well as neutrons which have no ch
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