Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 18, Problem 85P
(a)
To determine
The specific heat of copper.
(b)
To determine
The heat required to heat copper for
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Suppose 8.50 ✕ 105 J of energy are transferred to 1.79 kg of ice at 0°C. The latent heat of fusion and specific heat of water are Lf = 3.33 ✕ 105 J/kg and
c = 4186
J
(kg · °C)
.
HINT
(a)
Calculate the energy (in J) required to melt all the ice into liquid water. (Enter your answer to at least three significant figures.)
J
(b)
How much energy (in J) remains to raise the temperature of the liquid water? (Enter your answer to at least three significant figures.)
J
(c)
Determine the final temperature of the liquid water in Celsius.
°C
An electronics device generates 30.5 W of heat energy during normal
operation. The heat is dissipated from the top surface of the device to ambient
air at 23°C. If the top surface area is 0.158 m2 and the convection heat transfer
coefficient is 7.838 W/m2. K, what will be the surface temperature (in °C) of the
device [round your final answer to one decimal place]?
Air, T.
T
00
S
500 g of Ice at 0 °C is kept in an insulated cubic box. The length of the box is 30 cm and the
thickness of the wall is 0.5 cm. The thermal conductivity of the wall is 0.04 W/mK. If the
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Chapter 18 Solutions
Physics for Scientists and Engineers
Ch. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10P
Ch. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - Prob. 15PCh. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - Prob. 53PCh. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Prob. 57PCh. 18 - Prob. 58PCh. 18 - Prob. 59PCh. 18 - Prob. 60PCh. 18 - Prob. 61PCh. 18 - Prob. 62PCh. 18 - Prob. 63PCh. 18 - Prob. 64PCh. 18 - Prob. 65PCh. 18 - Prob. 66PCh. 18 - Prob. 67PCh. 18 - Prob. 68PCh. 18 - Prob. 69PCh. 18 - Prob. 70PCh. 18 - Prob. 71PCh. 18 - Prob. 72PCh. 18 - Prob. 73PCh. 18 - Prob. 74PCh. 18 - Prob. 75PCh. 18 - Prob. 76PCh. 18 - Prob. 77PCh. 18 - Prob. 78PCh. 18 - Prob. 79PCh. 18 - Prob. 80PCh. 18 - Prob. 81PCh. 18 - Prob. 82PCh. 18 - Prob. 83PCh. 18 - Prob. 84PCh. 18 - Prob. 85PCh. 18 - Prob. 86PCh. 18 - Prob. 87PCh. 18 - Prob. 88PCh. 18 - Prob. 89PCh. 18 - Prob. 90PCh. 18 - Prob. 91PCh. 18 - Prob. 92PCh. 18 - Prob. 93PCh. 18 - Prob. 94PCh. 18 - Prob. 95PCh. 18 - Prob. 96PCh. 18 - Prob. 97PCh. 18 - Prob. 98P
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- An electronics device generates 33.4 W of heat energy during normal operation. The heat is dissipated from the top surface of the device to ambient air at 21°C. If the top surface area is 0.176 m2 and the convection heat transfer coefficient is 7.019 W/m2· K, what will be the surface temperature (in °C) of the device [round your final answer to one decimal place]?arrow_forwardWhat mass of steam at 100° C must be added to 1.00 kg of ice at 0°C to yield liquid water at 20 °C? The heat of fusion for water is 333 kJ/kg , the specific heat is 4186 J/kg · C° , the heat of vaporization is 2260 kJ/kg. Express your answer to two significant figures and include the appropriate units. HÀ ? Value Units m =arrow_forwardA closed box is filled with dry ice at a temperature of -80.1 °C, while the outside temperature is 27.0 °C. The box is cubical, measuring 0.383 m on a side, and the thickness of the walls is 3.95 × 10-² m. In one day, 3.11 × 106 J of heat is conducted through the six walls. Find the thermal conductivity of the material from which the box is made. Number i 0.0155 Units m^3arrow_forward
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