Problem 5 20 points You place into an insulated container a 1.5 kg of copper initially...
of ice at -S °C is added to 40 kg of water initially at 20 °C. Assume that the container is well insulated. (a) Find the final equilibrium temperature. (5 points) 0b) Caleulate the change in internal energy of the 40 kg water when thermal equilberium is established. (5 points) (c) If a 3 kg piece of copper at 30°C is also added to the original system( Le. system with ice d wat an (7 points) er at their initial...
Problem 7.30 You place into an insulated container a 1.8 kg block of aluminum at a temperature of 43°C in contact with a 2.4 kg block of copper at a temperature of 18°C. The specific heat of aluminum is 0.91 J/K/g and the specific heat of copper is 0.391/K/g, what is the final temperature of the two blocks? oC the tolerance is +/-296
A silver block, initially at 58.2 ?C, is submerged into 100.0 g of water at 25.0 ?C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.6 ?C. -What is the mass of the silver block?
A cube of copper with a mass of 2.00 kg, initially at a temperature of 150.0°C, is in a well-insulated container. Water at a temperature of 22.0°C is added to the container, and the entire interior of the container is allowed to come to thermal equilibrium, where it reaches a final temperature of 67.0°C. What mass of water (in kg) was added? Assume any water turned to steam subsequently recondenses. kg
A 31.1 g wafer of pure gold, initially at 69.3 °C, is submerged into 64.2 g of water at 27.8 °C, in an insulated container. What the final temperature of both substances at thermal equilibrium?
8. You have a large insulated container of water at 20°C. You place a 0.5kg 100°C piece of lead (specific heat 0.031cal/g.K) in the water. You also place a 0°C piece of copper (specific heat 0.092cal/g.K) in the water. What is the mass of the copper if the equilibrium temperature is 20°C?
A 31.7 g wafer of pure gold initially at 69.9°C is submerged into 63.0 g of water at 26.9 °C in an insulated container. Part A What is the final temperature of both substances at thermal equilibrium?
A 31.6 g wafer of pure gold initially at 69.7 ∘C is submerged into 63.5 g of water at 27.1 ∘C in an insulated container. What is the final temperature of both substances at thermal equilibrium? Express your answer using three significant figures.
A 46 kg copper block initially at 140°C is dropped into an insulated tank that contains 90 L of water at 10°C. Determine the final equilibrium temperature and the total entropy change for this process. The specific heat of water at 25°C is Cp= 4.18 kJ/kg-K. The density of water is 997 kg/m3. The specific heat of copper at 27°C is cp=0.386 kJ/kg-K. Water Copper 90 L The final equilibrium temperature is 15.85 K. The total entropy change during this...
A 70-kg copper block initially at 140'C is dropped into an insulated tank that contains 90 L of water at 10'C. Determine the final equilibrium temperature and the total entropy change for this process. The specific heat of water at 25°C is cp=418 kJ/kg-K. The density of water is 997 kg/m2. The specific heat of copper at 27°C is Cp=0.386 kJ/kg.K. Water Copper 90 L The final equilibrium temperature is OK The total entropy change during this process is OKJ/K.