Question

Equal volumes of water and alcohol when put in similar calorimeters take 100 sec and 74 sec respectivel
to cool from 50°C to 40°C. The thermal capacity of each calorimeter is numerically equal to the volum
of either liquid. The specific gravity of alcohol is 0.8. if the specific heat capacity of water is 1 cal/gm-'
the specific heat capacity of alcohol will be
1) 0.6cal/gm-°C 2) 0.8cal / gm -°C
3) 1.6cal/gm-°C 4) 1.8cal /
Key
gm-°C
28.​

Answer 1

Equal volumes of water and alcohol when put in similar calorimeters take

and

respecively to cool from

to

. The thermal capacity of each calorimeter in numerically equal to the volume of either liquid. The specific gravity of alcohol is

if the specific heat capacity of water is

, the specific heat capcity of alcohol will.

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