Question

What will be the enthalpy of formation of HBr if hypothetical bond energy of H-H, Br-Br and H-Br are 300 kJ/mole, 100kJ/mole and 250kJ/mole respectively? Reaction is as under H, +Br2 = 2HBr-------- ( A) -50 kJ/mole C) -100 kJ/mole B) +50 kJ/mole D) +1000 kJ/mole
​

_________
Hn aya yad
_________
s_mai kisi ki jaan nahi hu... (≧∇≦) wo bs aise hi bolte h like you...
_________
s_Mujhe wo pgl psnd nhi ʕ•ﻌ•ʔ​

Answer 1

xD

ACHI BAAT HAI

BTW KAISE HO???

Answer 2

Mujhe bhi nhi....but baat Karni padti hai (-_-)