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Chemistry
According to the diagram given below, the value of Δ H for conversion of A to B is-
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Q. According to the diagram given below, the value of $\Delta H$ for conversion of $A$ to $B$ is-
Thermodynamics
A
-40
65%
B
+40
16%
C
-120
9%
D
+120
11%
Solution:
$\Delta H =$ energy of product $-$ energy of reactant
$=40-80=-40$