O2
H2O
ZnO
None of these
4.18 j
4.18 kJ
0.418 J
0.418 kJ
The formation of salt and water
The formation of salt
The complete ionization of acids and bases
The combination of H+ and OH- ions to form water
Enthalpy
Internal energy
Heat
State function
Balloon
Oxygen
Freezer
All of these
Constant volume
Constant pressure
Both a and b
Constant temperature
Molecular solids
Ionic solids
Covalent solids
Metallic solids
∆V = 0
P = 0
∆E = 0
None of these
+393.5 kJmole
-393.5 kJ
Zero
Can not be predicted from the given equation
Thermal energy at constant pressure
Enthalpy
Internal energy
Work done
A
A, b
A, c, d
A, b, c, d
Formation
Combustion
Decomposition
Solution
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