a. 1 kg of water at 70 oC is poured into a 1 kg copper cup initially at 20 oC. The specific heat of copper is ccopper= 390 J/kgoC⋅ and that of water cwater= 4,186 J/kgoC. What will be the equilibrium temperature of the system? b. From the answer found above, determine how many Joules of heat the cut will receive during this process

a. 1 kg of water at 70 oC is poured into a 1 kg copper cup initially at 20 oC. The specific heat of copper is ccopper= 390 J/kgoC⋅ and that of water cwater= 4,186 J/kgoC. What will be the equilibrium temperature of the system? b. From the answer found above, determine how many Joules of heat the cut will receive during this process

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 4CQ: A piece of copper is dropped into a beaker of water. (a) If the waters temperature rises, what...

See similar textbooks

Similar questions

In 1986, an enormous iceberg broke away from the Ross Ice Shelf in Antarctica. It was an approximately rectangular prism 160 km long, 40.0 kin wide, and 250 m thick. (a) What is the mass of this iceberg, given that the density of ice is 917 kg/m3? (b) How much heat transfer (in joules) is needed to melt it? (c) How many years would it take sunlight alone to melt ice this thick, if the ice absorbs an average of 100 W/m2, 12.00 h per day?
A piece of copper is dropped into a beaker of water. (a) If the waters temperature rises, what happens to the temperature of the copper? (b) Under what conditions are the water and copper in thermal equilibrium?
To help prevent from damage, 4.00 kg at 0C water is sprayed onto a fruit tree. (a) How much heat transfer occurs as the water freezes? (b) How much would the temperature at the 200kg tree decrease if this amount of heat transferred from the tree? Take the specific heat to be 3.35kJ/kgC, and assume that no phase change occurs.
A steel plate has a circular hole drilled in its center. If the diameter of the hole varies according to thermal linear expansion, show that the area of the original circle A0 changes with an increase in temperature T, following the approximate relation A CA0 T, where C = 2. Hint: (T)2T.
In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately a rectangle 160 km long, 40.0 km wide, and 250 m thick. (a) What is the mass of this iceberg, given that the density of ice is 917kg/m3 ? (b) How much heat transfer (in joules) is needed to melt it? (c) How many years would it take sunlight alone to melt ice this thick, if the ice absorbs an average of 100W/m2, 12.00 h per day?
a) What is the specific heat capacity of water?_________________________b) Calculate the thermal energy (Q) transferred to a litre of water when you are using a domestickettle to boil the water, given the following equation:? = ??∆?Equation 1and assuming the following: Initial Temperature, Ti = 20 °C, Final temperature, Tf = 100 °C, 1 litre of water ≈ 1kg of water.Show all your calculations.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________c) Comment on the assumptions and approximations that you have made.
A container holds 1.0 g of oxygen at a pressure of 8.0 atm.a. How much heat is required to increase the temperature by 100°C at constant pressure?b. How much will the temperature increase if this amount of heat energy is transferred to the gas at constant volume?
A constant-volume gas thermometer hasa pressure of 80.3 kPa at -10.0 °C and a pressure of 86.4 kPa at 10.0 °C. (a) At what temperature does the pressure of this systemextrapolate to zero? (b) What are the pressures of the gas at thefreezing and boiling points of water? (c) In general terms, howwould your answers to parts (a) and (b) change if a different constant-volume gas thermometer is used? Explain.
A 3.00-g lead bullet at 30.0°C is fired at a speed of 2.40 × 102 m/s into a large, fixed block of ice at 0°C, in which it becomes embedded. (a) Describe the energy transformations that occur as the bullet is cooled. What is the final temperature of the bullet? (b) What quantity of ice melts?
(a) Compute the amount of heat needed to raise the temperature of 1 kg of water from its freezing point to its normal boiling point. (b) How does your answer to (a) compare to the amount of heat needed to convert 1 kg of water at 1008C to steam at 1008C
A container holds 1.0 g of argon at a pressure of 8.0 atm.a. How much heat is required to increase the temperature by 100°C at constant volume?b. How much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure?
(a) Two 50 g ice cubes are dropped into 200 g of water in a thermally insulated container. If the water is initially at 25 C, and the ice comes directly from a freezer at 15 C, what is the final temperature at thermal equilibrium? (b) What is the final temperature if only one ice cube is used?