Question

when 20 ml of methane and 20 ml of oxygen are exploded together and the reaction mixture is cooled to laboratory temperature the resulting volume of the mixture is

Answer 1

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Answer 2

Answer:

20 ml

Explanation:

Start by writing a balanced chemical equation for your reaction

CH4(g)+2O2(g)→CO2(g)+2H2O(g)

here 1 mole of CH4 reacts with 2 moles of 02 gas to form 1 mole of CO2

so 10ml of CH4 reacts with 20ml of O2 to form 10ml of CO2

∴Total volume = 10ml (leftover unreacted CH4) + 10ml (CO2 formed during reaction)

∴20ml is the answer