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If, S+O2 rarr SO2, Delta H =-298.2 kj ...

If, `S+O_2 rarr SO_2, Delta H =-298.2 kj`
`SO_2 + 1/2 O_2 rarr SO_3, Delta H=-98.7 kJ `
`SO_3 + H_2 O rarrr H_2SO_4 , Delta H =-130.2 kJ`
`H_2 + 1/2 O_2 rarr H_2 O, Delta H =-227.3 kJ`
Find `Delta H` for formation of `H_2SO_4` at 298 K.

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If S + O_(2) rarr SO_(2), Delta H = -298.2 kJ SO_(2) + (1)/(2) O_(2) rarr SO_(3), Delta H = -98.2 kJ SO_(3) + H_(2)O rarr H_(2)SO_(4), Delta H = -130.2 kJ H_(2) + (1)/(2) O_(2) rarr H_(2)O, Delta H = -287.3 kJ the enthalpy of formation of H_(2)SO_(4) at 298 K will be

Given: (i) S+O_2 to SO_2, Delta H=-298.2 kJ (ii) SO_2 + 1/2 O_2 to SO_3, Delta H=-98.7 kJ (iii) SO_3 + H_2 O to H_2 SO_4, Delta H=-130.2 kJ (iv) H_2 + 1/2 O_2 to H_2 O, Delta H=-287.3 kJ , Then the enthalpy of formation of H_2 SO_4 at 298 K will be _________ .

If S + O_(2) rarr SO_(2), Delta H = -398.5 kJ SO_(2) + (1)/(2)O_(2) rarr SO_(3), Delta H= -98.7kJ , SO_(3) + H_(2)O rarr H_(2)SO_(4), Delta H= - 130.5kJ H_(2) + (1)/(2) O_(2) rarr H_(2)O, Delta H= -227.3kJ If magnitude of enthalpy of formation of sulphuric acid at 298K is 95x, x= ?

If S + O_(2) rarr SO_(2), DeltaH= -398.2kJ SO_(2) + (1)/(2) O_(2) rarr SO_(3), DeltaH= -98.7kJ , SO_(3) + H_(2)O rarr H_(2)SO_(4), DeltaH= -130.2 kJ H_(2) + (1)/(2) O_(2) rarr H_(2)O, DeltaH= -227.3kJ The enthalpy of formation of sulphuric acid at 298K will be

If, S+O_2rarrSO_2, triangleH=-298.2 kJ (i) SO_2+1/2O_2rarrSO_3, triangleH =-98.7 kJ (ii) SO_3+H_2OrarrH_2SO_4, triangleH=-130.2 kJ (iii) H_2+1/2O_2rarrH_2O, triangle=-287.3 kJ The enthalpy of formation of H_2SO_4 at 298 K will be:

If {:(SO_(2)+1/2O_(2) rarr SO_(3),DeltaH = -98.7 kJ),(SO_(3)+H_2O rarr H_(2)SO_(4),DeltaH = -130.2 kJ),(H_(2)+1/2O_(2) rarr H_2O , Delta H = -287.3 kJ),(S + H_2 + 2O_(2) rarr H_2SO_4, DeltaH = -814.4 kJ):} Then enthaply of SO_(2) at 298 K is:

If {:(SO_(2)+1/2O_(2) rarr SO_(3),DeltaH = -98.7 kJ),(SO_(3)+H_2O rarr H_(2)SO_(4),DeltaH = -130.2 kJ),(H_(2)+1/2O_(2) rarr H_2O , Delta H = -287.3 kJ),(S + H_2 + 2O_(2) rarr H_2SO_4, DeltaH = -814.4 kJ):} Then enthaply of SO_(2) at 298 K is:

S_R + O_2(g) rarr SO_2(g), Delta H =-71.1 kcal m S_M + O_2(g) rarr SO_2(g), Delta H =-71.7 kcal Thus Delta H for the consversion of S_R rarr S_M is