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Hello sir/ma pls I have a qustion on chemistry, 50cm3 of hydrogen were sparked with...

Hello sir/ma pls I have a qustion on chemistry, 50cm3 of hydrogen were sparked with 30cm3 of oxygen. If all the volume of gases where measured at STP calculate the volume of the of the individual gases after the sparking. Equation of the reaction is 2H2 +o2-2H2o.
From the equation CH4 +2o --- CO2 + H2O
calculate the volume of methane required to completely burn
40cm3 of methane ll 3 moles of methane?
In Lagos State University
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Asked by abubase on 13th April, 2020
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free