A person makes a quantity of iced tea by mixing 580 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 90°C, when thermal equilibrium is reached what are the mixture's temperature Tfand (b) the remaining mass m; of ice? If T; = 61°C, when thermal equilibrium is reached what are (c) Tf and (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number i Units (b) Number i Units (c) Number Units (d) Number i Units

A person makes a quantity of iced tea by mixing 580 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 90°C, when thermal equilibrium is reached what are the mixture's temperature Tfand (b) the remaining mass m; of ice? If T; = 61°C, when thermal equilibrium is reached what are (c) Tf and (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number i Units (b) Number i Units (c) Number Units (d) Number i Units

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) You have a styrofoam container with 815 g of a soft drink (specific heat of 4,100 J/(kg · °C)) at 29.0° and you add a 60 g chunk of ice at 0°C. Assume the liquid and water mix uniformly as the ice melts and determine the final temperature of the mixture (in °C). 375.31 X Since the mixture is thermally isolated, the heat gained by the ice and the associated ice water is equal to the heat lost by the liquid. Write expressions for the heat gained by the ice as it changes from a solid to a liquid, gained by the ice water as it warms to the final temperature, and lost by the liquid as it cools to the final temperature. °C (b) What If? What is the minimum mass of the ice cube (in g) that will result in a final mixture at exactly 0°C? 290.1 g
Following vigorous exercise, the internal body temperature of a 69.5-kg person is 40.0°C. At what rate, in watts, must the person transfer thermal energy to reduce the body temp. 37.0 C in 30.0 min, assuming the body continues to produce energy at the rate of 150W?
In an insulated vessel, 250 g of ice at 0°C is added to 600 g of water at 18.0°C. (a) What is the final temperature of the system? (b) How much ice remains when the system reaches equilibrium?
A 0.217 kg sample of tin initially at 96.9◦Cis dropped into 0.112 kg of water initially at10.2◦C.If the specific heat capacity of tin is230 J/kg ·◦C, what is the final equilibriumtemperature of the tin-water mixture? Thespecific heat of water is 4186 J/kg ·◦C.Answer in units of ◦C.
(g) A thin, 1.44-kg slab of copper at 18.0°C is set sliding at 2.90 m/s over an identical stationary slab at the same temperature. Friction quickly stops the motion. Assuming no energy is transferred to the environment by heat, find the change in temperature of both objects. (Assume the specific heat of copper is 387 J/kg · °C.) ΔΤ. sliding slab The correct answer is not zero.°C ΔΤ. stationary slab The correct answer is not zero.°C (h) Evaluate Q and AE, int for the sliding slab and AE, 'mech for the two-slab system. ΔΕ , int ΔΕ. mech (i) Evaluate Q and AE, int for the stationary slab. ΔΕ. int
A person makes a quantity of iced tea by mixing 480 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 82°C, when thermal equilibrium is reached what are the mixture's temperature Tand (b) the remaining mass mfof ice? If T; = 57°C, when thermal equilibrium is reached what are (c) Tand (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units
On a hot day, you want to cool 0.5L of tap water initially at 25C by adding ice. (a) if you add 45g of ice, what is the final equilibrium temperature of the mixture? (b) how much ice would you need to add to the original sample of water (0.5L at 25C) so that the last of the ice melts as the mixture reaches 0C?
Do asap
Suppose that an insulating container of air at room temperature and standard pressure is initially traveling at a speed v0 (perhaps in a car). We bring the container suddenly to rest. Assume that the air’s center-of-mass kinetic energy gets converted entirely to thermal energy in this process. (a) What is the air’s change in temperature ΔT in terms of kB, v0, and the average mass of an air molecule m? Determine such a relationship. (b) If v0 = 44 m / s, what is the numerical value of ΔT? The numerical value of ΔT is ______K.
(a) How much heat transfer (in kcal) is required to raise the temperature of a 0.650 kg aluminum pot containing 3.00 kg of water from 10.0°C to the boiling point and then boil away 0.600 kg of water? X kcal Enter a number. (b) How long (in s) does this take if the rate of heat transfer is 600 W (1 watt = 1 joule/second (1 W = 1 J/s))?
Nuclear fusion, the energy source at the Sun, hydrogen bombs, and fusion reactors, occurs much more readily when the average kinetic energy of me alums is high-that is, at high temperatures. Suppose you want me atoms in your fusion experiment to have average kinetic energies of 6.40 × 10-14J. What temperature is needed?
What mass of water at 22.0°C must be allowed to come to thermal equilibrium with a 1:80 kg cube of aluminum Initially at 150"C to lower the Leimperature of the aluminum to 66.0°C? Assune any water turned to steam subsequently recondenses. kg Need Help? Read It