Questions 1. Examine the accuracy and the precision of your measured data. What is the accuracy of your data? What is the precision of your data? nolisi vob 2. Are the measured values of specific heats consistently lower or higher than the literature values? If so, explain why. Clint 3. Make at least one suggestion on how to improve the results using the same equipment. EISHE tiousivob BishT 4. How many kilograms of hot water (850) must be mixed with cold water (250) so that the temperature of the mixed warm water is 450? The total mass of water (hot + cold) is 250 kg.Table 1 Measured data for specific heat of aluminum aluminum mcg T (C) m (g ) T (C) T ('C) Trial 1 21 0 25.C Trial 2 19. 790g 100 C 100g 21"C 24.5 C Trial 3 210 24 C Table 2 Measured data for specific heat of steel Steel m(g T (C) m (9 ) T (C) T ('C) Trial 1 21'C Trial 2 66. 085g 100 C 100g 21.C 26.5.C Trial 3 21.C 26 C Table 3 Measured data for specific heat of brass brass m(g) T (C) m (g ) T (C) T (C) Trial 1 21.C 29 C Trial 2 21 .C 28 C 109. 465g 100 C 100g Trial 3 21'C 28C Table 4 Comparison of measured specific heat of aluminum with the literature value aluminum c (measured) deviation C A(literature) ( units) |d nel= 10 ne - c nel cal/goc) % error Trial 1 0.27cal/goC 0. 050 Trial 2 0. 23cal/goc 0. 010 0. 22 cal/goc 4. 54% Trial 3 0. 20cal/goc 0. 020 average (measured) d = 0.026 = 0. 23 cal/goc