
![278 Aswater = 2x75.3 > = 2x75.3 [ln (71] 2 to - 2x75.3[ su (232)] Girona 1150.6 en (0.8606) 150.6 x (-0.1501) posl water --22](http://img.homeworklib.com/questions/566cdc70-c6fc-11ea-a7b8-2bda7bdc9a2d.png?x-oss-process=image/resize,w_560)

QLTwamoles ef water at 50"c mainteinadl at 5°c Take heatCapacity of water as 5.3 Tkmel adinde...
50 mL of water at 51.9°C were mixed with 50 mL of water at 23.2°C in a calorimeter also at 23.2°C. The final temperature was 33.1°C. Assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat capacity of the calorimeter. (density of water = 1.00 g mL"', specific heat capacity= 4.18 J g'K:')
1. 50 mL of water at 51.9°C were mixed with 50 mL of water at 23.2°C in a calorimeter also at 23.2°C. The final temperature was 33.1°C. Assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat capacity of the calorimeter. (density of water = 1.00 g ml'', specific heat capacity = 4.18 Jg'K')
5. In a class of 50 students, 18 take chorus, 26 take band, and 2 take both. A student is selected at random. What is the probability that: a. they are only in chorus? b. they are not in chorus? c. take neither? d. take band or chorus? e. don't take band or they don't take chorus? f. given they take band, they also take chorus?
1. 50 mL of water at 51.9°C were mixed with 50 mL of water at 23.2°C in a calorimeter also at 23.2°C. The final temperature was 33.1°C. Assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat capacity of the calorimeter. (density of water = 1.00 g mlº', specific heat capacity=4.18 J g?K=) 2. When 5.00 g of NaOH(s) are added to 100 g of water (using the same calorimeter as...
a) Calculate the change in entropy when 50 g. of water at 800 C is poured into 100 g. of water at 100 C in an insulated vessel. I'm not sure what the answer is please try your best.
5. (a) An insulated container contains 1kg of water and a 50 Watt heater. How long does it take the heater to raise the temperature of the water by 10°C? (b) How long would it take if the container was filled with 1kg of air instead of water? The specific heat of air is roughly 0.24cal/g. K.
5) Show that Q total in cal is needed to change 50 g of 0 ̊C ice to steam at 100 ̊C. (a) Show that Q in cal, Quantity of heat is needed to increase the temperature of 50 g water from 0 ̊C to 100 ̊C. The specific heat capacity for water is 1 cal/g•̊C. (b) Show that Q in cal, Heat of fusion is needed to melt 50 g of 0 ̊C ice. The heat of fusion Lffor...
6) How much energy would it take to change 55.0 g of water at-10.0°C to 20.0°C?
amount. 6. Calculate the final temperature when 50 mL of water at 65 °C are added to 25 mL of water at 25°C.
Figure 5.3: A typical enthalpy- entropy phase diagranm nt Exercise 5 nt mixtu uai1. At 450'F a mixture of saturated steam and liquid water exists in equilibrium. If the specific volume of the mixture is 0.6673 ft/Ibm, calculate from data in the stream tables a. percent mixture or quality b. enthalpy of the mixture in Btu/lbm, and c. entropy of the mixture, in Btu/Ibm R gram 2. nCHio is stored as a compressed fluid at 310F and 56 atm pressure....