8. Go A closed box is filled with dry ice at a temperature of – 78.5 °C,while the outside temperature is 21.0 °C. The box is cubical, measuring0.350 m on a side, and the thickness of the walls is 3.00 × 10-² m. In one day, 3.10 × 10º J of heat is conducted through the six walls. Find thethermal conductivity of the material from which the box is made.

Given: The temperature of the dry ice = -78.50 C Outside temperature = 210 C The thickness of the…

Answered: 8. Go A closed box is filled with dry…

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)...

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Similar questions

You accidentally left a jar with a 674g brass lid outside in the snow, dropping it to a temperature of -33.87°C. To warm it up gently, you put it into a 1.27L water bath. After the 5 minutes, the final temperature is 80.66° C. What was the original temperature of the water? °C. No units are required (since it's hard to write °C)
7. A cube of ice is taken from the freezer at -14 °C and placed in a 130 g aluminum calorimeter filled with 350 g of water at a temperature of 26 °C. The final situation is observed to be all water at 14 °C. What was the mass of the ice cube? (Cwater-4186 J/kg. °C, Cal 900 J/kg.°C, Cice-2000 J/kg. °C, L=3.35 × 10 J/kg) grams #3 80 F3 E $ 4 000 F4 R DE F % 5 F5 T ● G ^ 6 MacBook Air B F6 Y H & 7 F7 U N * 0 8 J DII F8 M 9 K 2 F9 O < L F10 P J F11 + F12 8 100 ? 1
9) A iron tower in Paris is 315.1 meters tall on a cold day (–5°C). What is its new total height (in meters) on a hot day when the temperature is 35°C? The tower is made of iron which has a coefficient of linear expansion of 12 x 10-6 /°C. Please include 2 decimal places in your answer. Do not include units.
28. A sphere of radius 0.50 m, temperature 25.0 °C, and emissivity 0.850 is located in an environment of temperature 75.0 °C. At what rate does the sphere emit thermal radiation? 1.934 kW O 1.225 kW Not any of the choices listed O 1.349 kW O 1.193 kW 29. In the previous problem (#28), what rate does the sphere absorb thermal radiation? 2.355 kW O2.932 kW O Not any of the choices listed 2.219 kW 2.187 kW
9. A cube of aluminum 18.0 cm on each side is cooled from 113 °C to 30 °C. If the energy removed from the aluminum cube were added to a copper cube of the same size at 40 °C, what would be the final temperature of the copper cube?(pAI 2700 kg/m3; Pcopper = 8890 kg/m³) %3| 136 36
A rectangular quartz tile measures 12 cm by 24 cm. It is then cooled by 28C°. What are its new dimensions?
5. Heat is conducted through a slab composed of parallel layers of different conductivities, 0.0050 and 0.0025 cal/cm2 -sec-C/cm and thickness 0.36 and 0.48 cm, respectively. The temperatures of the outer faces of the slab are 96 and 8C, find the temperature of the interface Pls include fbd
At what rate is heat lost through a 1.09 m × 3.16 m rectangular glass window that is 0.518 cm thick when the inside temperature is 20.1 °C and the outside temperature is 15.1 °C?The thermal conductivity of glass is 0.75 W/(m·°C) [1m = 100 cm]
17.12 A cube of glass has a side length L of exactly 1 cm at a temperature of 10 °C. What is the change in side length AL, face area AA, and volume AVif the cube is heated/cooled to the following temperatures? (in cm, cm², cm3 respectively) [adass = 8.5 x 10-6 K-11 а. -10 °C b. o °C с. 5 °С d. 30 °C
A glass louvre pane 0.4 cm thick has an area of 2×104cm2 . On a very cold day the temperature difference between the inside and outside surfaces of the pane is 25 °C. determine the rate of heat flow through this window. [ K glass = 0.837 Wm-1 °C ]

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