\(50cm^{3}\) of hydrogen are sparked with \(20cm^{3}\) of oxygen at \(100°C\) and \(1atm\) . The total volume of the residual gases in
50 cm3
10 cm3
40 cm3
30 cm3
70 cm3
Explanation
Video Explanation
No video available
Post your Contribution
Discussions (14)
to calculate the total residual gases you add the volume of the product which is water+ the remaining volume in the reactant part.
In this case,10cm³ of 2H2 is left
none for O2
2H2O has 40cm³
So add up 10 +40= 50cm³
Always take note of the statement 'cal. the total vol.of residual gases"
According to my calaculations it can be denoted that oxygen is 5cm^3 less of required volume required for combustion with 50cm^3 of carbon as enlisted in the question. Thus there is minimum or no combustion.
Residue is something that remain after the main part has been process, the volume supposed to be 10cm³ of oxygen
For me, the correct option is not even there. Residual gasses = volume of excess gas + volume of product. By calculations, volume of excess (oxygen) gas is 10cm³ and vol. of residual gas is 50cm³ . From the formula mentioned earlier, vol. of residual gas is 60cm³
