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Byju's Answer
Standard VIII
Chemistry
Coal and Its Fomation
under the sam...
Question
under the same conditions heat of formation of water and CO2 are -285, -394 kj /mol the heat of combustion of methane is -890 kj /mol the heat of formation of methane i
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Similar questions
Q.
What will be the heat formation of methane; if the heat of combustion of carbon is '
−
x
'
k
J
, heat of formation of water is '
−
y
'
k
J
and heat of combustion of methane is '
−
z
'
k
J
?
Q.
What wiII be the heat of formation of methane, if the heat of combustion of carbon is
′
−
x
′
k
J
, heat of formation of water is
′
−
y
′
k
J
and heat of combustion of methane is
′
z
′
k
J
?
Q.
Calculate the heat of formation of methane, given that
heat of formation of water
=
−
286
k
J
m
o
l
−
1
heat of combustion of methane
=
−
890
k
J
m
o
l
−
1
heat of combustion of carbon
=
−
393.5
k
J
m
o
l
−
1
Q.
On complete combustion of
2
g
methane
26575
C
a
l
heat is generated. The heat of formation of methane will be (given heat of formation of
C
O
2
and
H
2
O
are
−
97000
and
−
68000
C
a
l
respectively).
Q.
What will be the amount of heat evolved by burning 10 L of methane under standard conditions?
(Given heats of formation of
C
H
4
,
C
O
2
and
H
2
O
are -76.2, -398.8 and -241.6 kJ
m
o
l
−
1
respectively)
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