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AVprozaik [17]
4 years ago
14

how are pure carbon, oxygen and hydrogen different from the compound ethanol which contains all three of those elements?

Chemistry
1 answer:
DENIUS [597]4 years ago
3 0
Carbon, oxygen, & hydrogen may all be elements found in ethanol, but when separated, they have completely different chemical compounds. They are pure elements where as ethanol is a mixture.
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6 0
3 years ago
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4. To how much water should 50 mL of 12 M hydrochloric acid be added to
Novosadov [1.4K]

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Explanation :

Formula used :

M_1V_1=M_2V_2

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M_1\text{ and }V_1 are the initial molarity and volume of HCl.

M_2\text{ and }V_2 are the final molarity and volume of water.

We are given:

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12M\times 50mL=40M\times V_2\\\\V_2=15mL

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7 0
3 years ago
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Putting values in above equation, we get:

\text{Distance}=(2.3km/s\times 150s)=354km

Hence, the spacecraft traveled 345 km during the given time.

4 0
3 years ago
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