1.

When one mole of A is reacted completely in an ice calorimeter at 0^(@)C and at 1 atm, it is found that the volume of equlibrium mixture of ice and water decreased by 0.25 Ml. The Delta _(r)H_(273) "for the reaction" 2Ararr B +2C is : (the densities of water and icfe at 0^(@) and 1 atm are 1.00 and 0.96 gm//cm^(3), respectively and latent hete of fusion of ice at 0^(@) C and 1 atm is 80cal//gm) [Use:1ifDelta_(r)H_(273 is+ ve and 2if Delta _(r)H_(273 is -ve and answer as a abc or 2abc, where abc is magnitude ofDelta _(r)H_273]

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ANSWER :2960


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