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Chemistry

The reaction: 4N2O + CH4 ⟶ CO2 + 2H2O + 4N2 takes place in the gaseous state. If all volumes are measured at the same temperature and pressure, calculate the volume of dinitrogen oxide (N2O) required to give 150 cm3 of steam.

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Answer

4N2O+CH4CO2+2H2O+4N24 Vol1 Vol1 Vol2 Vol4 Vol\begin{matrix} 4\text{N}2\text{O} & + &\text{CH}4 & \longrightarrow & \text{CO}2 & + & 2\text{H}2\text{O} & + &4\text{N}_2 \ 4 \text{ Vol} && 1 \text{ Vol} && 1 \text{ Vol} && 2 \text{ Vol} && 4\text{ Vol} \ \end{matrix}

2 x 22400 litre steam is produced by 4 × 22400 cm3 N2O

∴ 150 cm3 steam will be produced by

= 4×224002×22400\dfrac{4 × 22400}{2 × 22400} x 150 = 300 cc of N2O

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