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IHaveTakenOver
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The first reaction that occurs when an airbag is set off is:
2NaN3(s) -> 2Na(l) + 3N2 (g)
6.5g of NaN3 completely decomposes.
Which of these following statements is correct?
a) 2.3g of products are formed
b) 3.6 dm3 of gas are formed (at RTP)
c) 4.6g of sodium is formed
d) The volume of nitrogen formed is 1.5x the volume of sodium formed.
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Luciferrr
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The answer is B.
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IHaveTakenOver
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(Original post by Luciferrr)
The answer is B.
Could you explain why?
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sugelg
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I guess it is because 1 mol of gas occupies 24 dm^3. The molecular mass of 3N2 is 84 - so 84/24 = 3.5
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