AP EAMCET Medical 24 Sep 2020 Shift 2 Paper

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Question : 159 of 160
 
Marks: +1, -0
Calculate the enthalpy of formation of H2S04 at 298 K. using the data provided.
S + O2→SO2 ΔH= -298.2kJ
SO2+
1
2
O2
→SO3
ΔH= -98.7kJ
SO3+H2O→H2SO4 ΔH= -130.2kJ
H2+
1
2
O2
→H2O
ΔH= -287.3kJ
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