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Match the column- {:(,"Column-I","Colu...

Match the column-
`{:(,"Column-I","Column-II"),(,,(DeltaH_(r)" is also known as")),((A),C("graphite")+O_(2)(g) rarr CO_(2) (g),(P)" "DeltaH_("formation")^(@)),((B),C("graphite") rarrC("gas"),(Q)" "DeltaH_("Combustion")^(@)),((C),CH_(3)COOH(aq)+OH^(-) (aq) rarr CH_(3)COO^(-) (aq)+H_(2)O(l),(R)" "DeltaH_("Atomization")^(@)),(,,(S)" "DeltaH_("Neutralization")^(@)):}`

Text Solution

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The correct Answer is:
(A) P, Q (B) P, R (C) S
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{:(,"Column-I",,"Column-II"),((a),C ("s,graphite")+0_(2)(g)rarrCO_(2)(g),(p),DeltaH^(@)_("Combustion")),((b),C("s,graphite")rarrC(g),(q),DeltaH^(@)_("combustion")),((c),CO(g)+(1)/(2)O_(2)(g)rarrCO_(2)(g),(r),DeltaH^(@)_("atomization")),((d),CH_(4)(g)rarrC(g)+4H(g),(s),DeltaH^(@)("sublimation")):}

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Calculate DeltaH_("combustion"^(@) of C_("graphite") if DeltaH_(f)^(@) of ace tone =-250 kJ , Delta_("combustion")^(@) of acetone =-1760 kJ , DeltaH_("combustion")^(@) " of "H_(2)(g)=-280 kJ

Predict DeltaH gt DeltaU or DeltaH lt DeltaU . a. C("graphite") +O_(2)(g) rarr CO_(2)(g) b. PCI_(5)(g) rarr PCI_(3)(g) +CI_(2)(g)

Calculate the heat of combustion (in KJ) of methane from the following data (i) C ("graphite")+2H_(2)(g) rarr CH_(4) (g), DeltaH=-74.8 kJ (ii) C ("graphite")+O_(2) (g) rarr CO_(2) (g), DeltaH=-393.5 kJ (iii) H_(2(g))+1//2O_(2(g)) rarr H_(2)O_((l)), DeltaH=-286.2 kJ .

Find the heat of formation of ethyl alcohol for following data C(s) +O_(2)(g) rarr CO_(2)(g) DeltaH =- 94 kcal H_(2)(g) +1//2O_(2)(g) rarr H_(2)O(l), DeltaH =- 68 kcal C_(2)H_(5)OH(l)+3O_(2)(g) rarr 2CO_(2)(g) +3H_(2)O(l) DeltaH =- 327 kcal