The standard heat of combustion of 
is
at
. If Al reacts with 
at 
, which of the following release 250 kJ of heat?
a)
The reaction of 0.624 mol of 
b)
The formation of 0.624 mol of
c)
The reaction of 0.312 mol of
d)
The formation of 0.150 mol of
The standard heat of combustion of is at . If Al reacts with at , which of the following release 250 kJ of heat?
a)
The reaction of 0.624 mol of
b)
The formation of 0.624 mol of
c)
The reaction of 0.312 mol of
d)
The formation of 0.150 mol of
Question ID - 103193 | SaraNextGen Top Answer
The standard heat of combustion of is at . If Al reacts with at , which of the following release 250 kJ of heat?
a)
The reaction of 0.624 mol of
b)
The formation of 0.624 mol of
c)
The reaction of 0.312 mol of
d)
The formation of 0.150 mol of
|
The standard heat of combustion of |
|||
|
a) |
The reaction of 0.624 mol of |
b) |
The formation of 0.624 mol of |
|
c) |
The reaction of 0.312 mol of |
d) |
The formation of 0.150 mol of |
1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
27 g 51 g
1. 0.624 mol of
on combustion gave=523 kJ
Hence false
2. Formation of 0.624 mol of
gave
Hence, false
3. 0.312 mol of
on combustion gave = 261 kJ. Hence, false
Formation of 0.150 mol of
gave
. Hence, true
127 votes
Answer Link
127