A piece of copper of a mass 0.10kg, initially at 97.4°C, is dropped into 0.20 kg of water contained in a 0.28-kg aluminium can; the water and aluminium are initially at 15°C. What is the final temperature of the system? [Specific heat of water Cw-4190 J/kg°C; Specific heat of copper Car 385 J/kg°C: Specific heat of aluminium CA 900 J/kg°C] [Choose the closest answer] O a. None of the answer is correct O b. 32.19 Celsius O c. 15.00 Celsius O d. 11.17 Celsius O e. 17.81 Celsius What is the outside temperature if 4000 kcal of heat is lost through a 4.0 m² pane of 0.30 cm thick glass (k = 2.0x104 kcal/s m °C) in one hour from a house kept at 38°C? [hint: use the constant value provided]

A piece of copper of a mass 0.10kg, initially at 97.4°C, is dropped into 0.20 kg of water contained in a 0.28-kg aluminium can; the water and aluminium are initially at 15°C. What is the final temperature of the system? [Specific heat of water Cw-4190 J/kg°C; Specific heat of copper Car 385 J/kg°C: Specific heat of aluminium CA 900 J/kg°C] [Choose the closest answer] O a. None of the answer is correct O b. 32.19 Celsius O c. 15.00 Celsius O d. 11.17 Celsius O e. 17.81 Celsius What is the outside temperature if 4000 kcal of heat is lost through a 4.0 m² pane of 0.30 cm thick glass (k = 2.0x104 kcal/s m °C) in one hour from a house kept at 38°C? [hint: use the constant value provided]

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A 23 g ice cube at -15.0oC is placed in 129 g of water at 48.0oC. The Specific heat of ice is 2.090 J/g K, the specific heat of water is 4.186 J/g K, and the latent heat of fusion for water is 333 J/g. What is final temperature in celsius of the system when the equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter.
A 79.19 gram brass is kept initially at a high temperature TB then is dropped into 114.72 gram of water at 23.8 °C . When equilibrium is reached the temperature of brass - water mixture is 25.3 °C. If the specific heat of brass is 375 J / kg ° C , calculate the initial temperature of brass TB ( Given , Specific heat of water is 4186 J / kg ° C ) Initial temperature of the Brass in ( ° C ) =
1 A metal ball of mass 0.1 kg is heated upto 500°C and dropped into a vessel of heat capacity 800 JK and containing 0.5 kg water. The initial temperature of water and vessel is 30°C. What is the approximate percentage increment in the temperature of the water? [Take, specific heat capacities of water and metal are respectively 4200 Jkg ¹K-¹ and 400 Jkg¯¹K-¹1 (a) 25% (b) 15% (c) 30% (d) 20%
A thirsty nurse cools a 2.40 L bottle of a soft drink (mostly water) by pouring it into a large aluminum mug of mass 0.249 kg and adding 0.122 kg of ice initially at -14.3 ∘C. If the soft drink and mug are initially at 21.0 ∘C, what is the final temperature of the system, assuming no heat losses? Express your answer in degrees Celsius.
How much thermal energy (in J) is required to boil 3.00 kg of water at 100.0°C into steam at 151.0°C? The latent heat of vaporization of water is 2.26 x 10° J/kg and the specific heat of steam is 2010 kg.°C HINT Need Help? Read It
A block of 250 g of Copper at 120 degrees * C and 50 g of ice at - 25 degrees * C are submerged into 1 It of water at room temperature (25 degrees * C) . Calculate the final temperature at thermal equilibrium. Specific heat capacity of copper, ice, and water are 0.215 cal^ C , 0.5 cal/ C. and 1 cal/^ C respectively and latent heat of ice is 80cal / g
A block of copper with a mass of 1.75 kg, initially at a temperature of 150.0°C, is in a well-insulated container. Water at a temperature of 26.0°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 66.0°C. What mass of water (in kg) was added? Assume any water turned to steam subsequently recondenses. ?kg
What mass of water at 20.0°C must be allowed to come to thermal equilibrium with a 1.95-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 60.0°C? Assume any water turned to steam subsequently recondenses. kg
Ice has formed on a shallow pond, and a steady state has been reached, with the air above the ice at -7.6°C and the bottom of the pond at 3.7°C. If the total depth of ice + water is 2.3 m, how thick is the ice? (Assume that the thermal conductivities of ice and water are 0.40 and 0.12 cal/m-Cº-s, respectively.) Number Units
Steam at 100°C is condensed into a 62.0 g brass calorimeter cup containing 220 g of water at 21.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 48.0°C. The specific heat of brass is 380 J/(kg · °C).
x. 62: 1 kg of ice occupies 1.1 × 10 m² al normal pressure. The volume changes to 1.0 x 10 m' when it is melted. Find the internal latent heat of ice. Given : Latent heat of fusion of ice = 80 kcal/kg Density of mercury = 13600 kg/m³, Mechanical equivalent of heat J = 4200 Joules/k cal.
What mass of water at 20.0°C must be allowed to come to thermal equilibrium with a 1.90-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 70.0°C? Assume any water turned to steam subsequently recondenses. kg