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chemistry:enthalpy changes and moles

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nid404:
srry ill do it agn if u like...unless u've gotten it

ruby92:
ive been trying for like d past hour...,, :-[....
i hate moles...
cld u please do it again...
thnk u

nid404:
ok fine here u go :)

 Complete combustion of C11H24

C11H24 +17O2 ----> 11CO2 + 12 H2O

1 mole of C11H24= (11X12) + (24X1)=156g
no of moles in 200000g=1282moles

1moles of fuel is to 12 moles of water
no of moles of water= 15385moles
mass of 1 mole of water=18g
mass of 15385moles=276923g or approx 277kg

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