Oblicz objętość tlenu w warunkach normalnych niezbędną do całkowitego spalenia 4,6 etanolu.
C2H6O+3O2->2CO2+3H20
Metanolu=46g/mol
4,6getanolu---------xdm3tlenu
46getanolu----------3*22,4dm3
x=6,72dm3
C2H5OH+3O2-->2CO2+3H2O
MC2H5OH=24+6+16=46g
mC2H5OH=4,6g
M3O2=6*16=96g
46-96
4,6-x
x=9,6g tlenu
d=m/V
dtlenu=1,43g/dm3
V=m/d
V=9,6g/1,43g/dm3
V=6,71dm3
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C2H6O+3O2->2CO2+3H20
Metanolu=46g/mol
4,6getanolu---------xdm3tlenu
46getanolu----------3*22,4dm3
x=6,72dm3
C2H5OH+3O2-->2CO2+3H2O
MC2H5OH=24+6+16=46g
mC2H5OH=4,6g
M3O2=6*16=96g
46-96
4,6-x
x=9,6g tlenu
d=m/V
dtlenu=1,43g/dm3
V=m/d
V=9,6g/1,43g/dm3
V=6,71dm3