s ra so2

Q. If S+O2→SO2 ; ΔH=−298.2
SO2+12O2→SO3 ; ΔH=−98.7
SO3+H2O→H2SO4 ; ΔH=−130.2
H2+12O2→H2O ; ΔH=−287.3
Then the enthalpy of formation of H2SO4 at 298 K is

Q. If S+O2→SO2,△H=−298.2 kJ mole−1
SO2+1/2O2→SO3,△H=−98.7 kJ mole−1
SO3+H2O→H2SO4,△H=−130.2 kJ mole−1
H2+1/2O2→H2O,△H=−287.3 kJ mole−1
the enthalpy of formation of H2SO4 at 298 K will be ?

Xem thêm: fes + h2 so4

Q. If S+O2⟶SO2; ΔH=−398.2 kJ: SO2+12O2⟶SO3; ΔH=−98.7 kJ
SO3+H2O⟶H2SO4; ΔH=−130.2 kJ : H2+12O2⟶H2O; ΔH=−227.3 kJ
The enthalpy of formation of sulphuric acid at 298 K will be?

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System of Linear Equations

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Cramer's Rule

Standard XII Mathematics