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20 gm ice at −10 ∘C is mixed with m gm steam at 100 ∘C. The minimum value of m so that finally all ice and steam converts into water at 0 ∘C is (Use: specific heat and latent heat as Cice=0.5 cal/gm ∘C,Cwater=1 cal/gm ∘C,Lfusion =80 cal/gm and Lvapor =540 cal/gm )

Answer» 20 gm ice at 10 C is mixed with m gm steam at 100 C. The minimum value of m so that finally all ice and steam converts into water at 0 C is

(Use: specific heat and latent heat as Cice=0.5 cal/gm C,Cwater=1 cal/gm C,Lfusion =80 cal/gm and Lvapor =540 cal/gm )


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