1) 150 g of a liquid at 45°C is filled in an insulated metal container at...
1 A173.0g lead ball at 155°C is dropped into a calorimeter cup containing 210 g of water at 16.0°c. After equilibrium is reached, the temperature of water is increased to 18.2°C. What is the heat capacity of calorimeter? Assume that calorimeter and water are initially at the same temperature. (Specific heat of water is 4186 J/kg. C and specific heat of lead is 128 J/kg.C) 2. An unknown metal sample of 54 g at 108°C is dropped into a calorimeter...
An 825 g iron block is heated to 352°C and placed in an insulated container (of negligible heat capacity) containing 40.0 g of water at 20.0°C. The following may be useful: specific heat of water = 4186 J/(kg K); specific heat of water vapor = 2090 J/(kg K); specific heat of iron = 560 J/(kg K); latent heat of vaporization for water = 2.26 x 106 J/kg. a. Is the final temperature less than, equal to, or larger than 100°C?...
An 825 g iron block is heated to 352°C and placed in an insulated container (of negligible heat capacity) containing 40.0 g of water at 20.0°C. The following may be useful: specific heat of water = 4186 J/(kg K); specific heat of water vapor = 2090 J/(kg K); specific heat of iron = 560 J/(kg K); latent heat of vaporization for water = 2.26 x 106 J/kg. Is the final temperature less than, equal to, or larger than 100°C? You...
An 870-g iron block is heated to 370 C and placed in an insulated container (of negligible heat capacity) containing 41.0g of water at 21.0 C. What is the equilibrium temperature of this system? The average specific heat of iron over this temperature range is 560 J/(kgxK). What is the equilibrium temperature of this system? The average specific heat of iron over this temperature range is 560 J/(kg?K).
A) A 41 g ice cube at −21◦C is dropped into a container of water at 0◦ C. How much water freezes onto the ice? The specific heat of ice is 0.5 cal/g ·◦ C and its heat of fusion of is 80 cal/g. Answer in units of g. B) A 0.0602 kg ingot of metal is heated to 205◦C and then is dropped into a beaker containing 0.411 kg of water initially at 18◦C. If the final equilibrium state...
A container filled with 45 kg of liquid water at 95°C is placed in a 90 m3 room that is initially at 12°C. Thermal equilibrium is established after a while as a result of heat transfer between the water and the air in the room. Using constant specific heats at room temperature, determine a) the final equilibrium temperature b) the amount of heat transfer between the water and the air in the room c) the entropy generation /3] I /8]...
9) A lab assistant pours 330 g of water at 45°C into an 855-g aluminum container that is at an initial temperature of 10°C. The specific heat of aluminum is 900 J/kg K, and that of water is 4186 J/kg K. What is the final temperature of the system, assuming no heat is exchanged with the surroundings? A) 35°c 9) B) 28°C C)32°C D) 33°C
1. Consider an insulated container with an interior made of metal (such as a travel mug). Coee at the boiling temperature of water is added to the container along with a smaller amount of cream. Assume the metal liner and cream were initially at 20C (so Ti;met = Ti;cr = 20C). (a) When the system reaches equilibrium, what is the relation between the heat absorbed by the three components Qcf ; Qmet; and Qcr? (i.e. give the sign of each...
3. A 2.00 g block of a metal (specific heat = 2.09 J g: Kl) at 80.0 °C is placed into container with 10.0 g liquid water (specific heat = 4.18 Jg' K ) at 10.0°C. What is total AS in JK?
An 810-g iron block is heated to 400 ∘C and placed in an insulated container (of negligible heat capacity) containing 38.0 g of water at 25.0 ∘C. What is the equilibrium temperature of this system? The average specific heat of iron over this temperature range is 560 J/(kg⋅K).