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50 g of liquid Y at 10 Celcius and 200 g of liquid Y at 40Celcius are mixed. Final temperature of the mixture is measured as 15 celcius. Find the ratio of cx/cy.
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50 g of liquid Y at 10 Celcius and 200 g of liquid Y at 40Celcius are mixed. Final temperature of the mixture is measured as 15 celcius. Find the ratio of cx/cy.

50 g of liquid Y at 10 Celcius and 200 g of liquid Y at 40Celcius are mixed. Final-example-1
User Ahmed Waheed
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50 g of liquid X at 10 Celcius and 200 g of liquid Y

mx*cx*(t-tx)+my*cy*(t-ty)=0
cx/cy = - my*(t-ty) : mx*(t-tx) = (my/mx) * (ty - t) / (t-tx)
cx/cy = 200/50*(40-15)/(15-10) = 20
cx/cy = 20



User David Gruzman
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