Question

20cm3 of CO2 was passed over red hot coke. The volume of the CO involved is?

Answer 1

Answer:

40 cm³ of CO is evolved.

Explanation:

CO2 + C -> 2CO

22.4L--> 2*22.4L

1 mole of CO2 gives 2 moles of CO

One mole of CO2 =22.4 L = 22400 cm³

22400cm³ CO2 gives CO = 2* 22400 cm³

1 cm³ CO2 gives CO = (2 * 22400)/22400

20cm³ CO2 gives CO = (2*22400* 20)/22400 = 40cm³ CO

Volume of CO produced by heating 20 cm³ of CO2 with red hot coke is 40 cm³ .

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Answer 2

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