3 years ago

Calculate (1/2)^2.6*100%

Chemistry

1 answer:

OLga [1]3 years ago

5 0

Answer:

0.1649384888

Hope this helps

-Amelia

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Ethanol has a density of 0.79g/mL what is the volume, in quarts, of 1.50 kg of ethanol?

lara31 [8.8K]

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2.01 qt

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3 years ago

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Our good friend and pseudo scientist, homer simpson, attempts to analyze 300 mg of an unknown compound containing only c and h b

iragen [17]

$C_{x}H_{y} + O_{2} --\ \textgreater \ x CO_{2} + \frac{y}{2} H{2}O

540mg H_{2}O* \frac{1 mmol H_{2}O}{18 mg H_{2}O} =30 mmol H_{2}O

\\ \\30 mmolH_{2}O -have - 60 mmol H
\\ \\ 60 mmol H* \frac{1mg H}{1 mmol H} =60 mg H
\\ \\300mg C_{x}H_{y} - 60 mg H= 240 mg C
\\ \\ 240 mgC* \frac{1mmol}{12mg} =20 mmol C

20 mmol C: 60 mmol H=1 mol C : 3 mol H

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