a mass of a liquid at 30°C is mixed with a mass of the same liquid at 70°C and the temperature of the mixture is 45°C. find the ratio of the mass of the cold liquid to the mass of the other liquid
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Let the mass of liquid be m and n;
Heat lost by hot body=heat gained by cold body
Let the specific heat capacity of them be 'c'
Now,
m*c*(70-45)=n*c*(45-30)
m/n=15/35
m/n=3/7
Heat lost by hot body=heat gained by cold body
Let the specific heat capacity of them be 'c'
Now,
m*c*(70-45)=n*c*(45-30)
m/n=15/35
m/n=3/7
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