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abruzzese [7]
4 years ago
7

Which is a characteristic of the polar water molecule?

Chemistry
1 answer:
zaharov [31]4 years ago
8 0

Answer:

A tetrahedral electron domain geometry with covalent bonded atoms.

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What is mostly made out of rock and metal with no gas or dust?
Jlenok [28]
Pretty sure its asteroids but double check to make sure.... hope this helps!
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3 years ago
A 4.215 g sample of a compound containing only carbon, hydrogen, and oxygen is burned in an excess of oxygen gas, producing 9.58
Scilla [17]

Answer:

\% O=27.6\%

Explanation:

Hello,

In this case, for the sample of the given compound, we can compute the moles of each atom (carbon, hydrogen and oxygen) that is present in the sample as shown below:

- Moles of carbon are contained in the 9.582 grams of carbon dioxide:

n_C=9.582gCO_2*\frac{1molCO_2}{44gCO_2}*\frac{1molC}{1molCO_2}  =0.218molC

- Moles of hydrogen are contained in the 3.922 grams of water:

n_H=3.922gH_2O*\frac{1molH_2O}{18gH_2O} *\frac{2molH}{1molH_2O} =0.436molH

- Mass of oxygen is computed by subtracting both the mass of carbon and hydrogen in carbon dioxide and water respectively from the initial sample:

m_O=4.215g-0.218molC*\frac{12gC}{1molC} -0.436molH*\frac{1gH}{1molH} =1.163gO

Finally, we compute the percent by mass of oxygen:

\% O=\frac{1.163g}{4.215g}*100\% \\\\\% O=27.6\%

Regards.

5 0
4 years ago
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FromTheMoon [43]

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TRUE or FALSE: The only way to see a recessive trait is to inherit 2 recessive<br> alleles.
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Answer:

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