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//Variable declaration:
T1 = 25 //Temperature of H2SO4 ( C)
m = 50+200 //Mass of H2SO4 (lb)
//From figure 18.2:
W1 = 50+100 //Weight of H2SO4 (lb)
W2 = 100 //Weight of H2O (lb)
//Calculation:
m = W1/(W1+W2)*100 //Percent weight of H2SO4 (%)
m2 = W1+W2 //Mass of mixture (lb)
//From fgure 18.2:
T2 = 140 //Final temperature between the 50% solution and pure H2SO4 at 25 C ( F)
h1 = -86 //Specific heat capacity of H2O (Btu/lb)
h2 = -121.5 //Specific heat capacity of H2SO4 (Btu/lb)
Q = m2*(h2-h1) //Heat transferred (Btu)
//Result:
printf("The final temperature between the 50%% solution and pure H2SO4 at 25 C is : %.0f F .",T2)
printf("The heat transferred is : %.0f Btu .",Q)
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