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24 June, 16:32

A 2.50-l sample of a colorless gas at stp decomposed to give 2.50 l of n2 and 1.25 l of o2 at stp. what is the colorless gas?

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Answers (3)
  1. 24 June, 16:36
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    Answer;

    N2O (Nitrogen (i) oxide.

    Explanation;

    The decomposition would be; 2N2O (g) = 2N2 (g) + O2 (g)

    Which means the ratio of; N2O : N2 : O2 = 2:2:1

    The volume of colorless gas is 2.5 liters, N2 is 2.5 liters and oxygen is 1.25 liters; which also gives us a ratio of; 2: 2: 1.

    Alternatively; here is twice as much N2 as O2. therefore; the formula would be N2O (nitrogen dioxide) to make 1 volume of N2 for every 2 volumes of O2.
  2. 24 June, 16:47
    0
    Answer;

    N2O (Nitrogen (i) oxide.

    Explanation;

    The decomposition would be; 2N2O (g) = 2N2 (g) + O2 (g)

    Which means the ratio of; N2O : N2 : O2 = 2:2:1

    The volume of colorless gas is 2.5 liters, N2 is 2.5 liters and oxygen is 1.25 liters; which also gives us a ratio of; 2: 2: 1.

    Alternatively; here is twice as much N2 as O2. therefore; the formula would be N2O (nitrogen dioxide) to make 1 volume of N2 for every 2 volumes of O2.
  3. 24 June, 16:56
    0
    Answer;

    N2O (Nitrogen (i) oxide.

    Explanation;

    The decomposition would be; 2N2O (g) = 2N2 (g) + O2 (g)

    Which means the ratio of; N2O : N2 : O2 = 2:2:1

    The volume of colorless gas is 2.5 liters, N2 is 2.5 liters and oxygen is 1.25 liters; which also gives us a ratio of; 2: 2: 1.

    Alternatively; here is twice as much N2 as O2. therefore; the formula would be N2O (nitrogen dioxide) to make 1 volume of N2 for every 2 volumes of O2.
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