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1 g of of steam at 100^@C can melt how m...

1 g of of steam at `100^@C` can melt how much ice at `0^@C` ? Latent heat of ice = `80 cal//g` and latent heat of steam = `540 cal//g`

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Heat required by ice for melting of m g of ice = mL = `mxx80` cal
Heat available with steam for being condensed and then brought to `0^@ C`
`=1xx540+100=640 ` cal
`mxx80=640`
or, `m=640/80=8` grams
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