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Standard XII
Chemistry
Nucleophilic Substitution Reaction
THE HEAT OF C...
Question
THE HEAT OF COMBUSTION OF BENZENE AT 27 DEGREE C FOUND BY BOMB CALORIMETER C6H6+ 15/2 O2 GIVES 6CO2 +3H2O IS 780 kcal /mol .WHAT WILL BE THE HEAT EVOLVED IN BURNING 39g OF BENZENE IN AN OPEN VESSEL ?
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Similar questions
Q.
The heat of combustion of benzene at
27
∘
C
found by bomb calorimeter i.e. for the reaction
C
6
H
6
(
l
)
+
7
1
2
O
2
(
g
)
→
6
C
O
2
(
g
)
+
3
H
2
O
(
l
)
is 780 K.Cal
m
o
l
−
1
. The heat evolved on burning 39g of benzene in an open vessel will be
Q.
The heat of combustion of benzene is
−
3264
k
J
m
o
l
−
1
. The heat evolved in the combustion of
39
g
of benzene will be
Q.
The heat of combustion of benzene in a bomb calorimeter (i.e., constant volume) was found to be
3263.9
k
J
m
o
l
−
1
at
25
o
C
. Calculate the heat of combustion of benzene at constant pressure.
Q.
The heat of combustion of benzene in a bomb calorimeter (i.e., constant volume) was found to be
3263.9
k
J
m
o
l
−
1
at
25
o
C
. Calculate the heat of combustion of benzene at constant pressure.
Q.
Type: Multiple Correct answers
The heat evolved in the combustion of benzene is given by
C
6
H
6
(l)+15/2O
2
(g)----------->3H
2
O(l)+6CO
2
(g)
∆H=-781.0kcal mol
-1
When 156 g of C
6
H
6
is burnt in an open container the amount of heat energy released will be
a)150.2 kcal mol
-1
b)1562.0 kcal mol
-1
c)6528.2 kJ mol-1
-1
d)2448.5 kJ mol
-1
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