Physics for Scientists and Engineers with Modern Physics, Technology Update
9th Edition
ISBN: 9781305401969
Author: SERWAY, Raymond A.; Jewett, John W.
Publisher: Cengage Learning
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Chapter 20, Problem 64AP
To determine
The specific heat of the liquid.
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A square metal sheet 2.5 cm on a side and of negligible thickness is attached to a balance and inserted into a container of fluid.
The contact angle is found to be zero, as shown in Figure a, and the balance to which the metal sheet is attached reads 0.42 N. A
thin veneer of oil is then spread over the sheet, and the contact angle becomes 180°, as shown in Figure b. The balance now
reads 0.41 N. What is the surface tension of the fluid?
x
Your response differs from the correct answer by more than 10%. Double check your calculations. N/m
a
b
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Chapter 20 Solutions
Physics for Scientists and Engineers with Modern Physics, Technology Update
Ch. 20.2 - Prob. 20.1QQCh. 20.3 - Prob. 20.2QQCh. 20.6 - Prob. 20.3QQCh. 20.6 - Characterize the paths in Figure 19.12 as...Ch. 20.7 - Prob. 20.5QQCh. 20 - Prob. 1OQCh. 20 - Prob. 2OQCh. 20 - Prob. 3OQCh. 20 - Prob. 4OQCh. 20 - Prob. 5OQ
Ch. 20 - Prob. 6OQCh. 20 - Prob. 7OQCh. 20 - Prob. 8OQCh. 20 - Prob. 9OQCh. 20 - Prob. 10OQCh. 20 - Prob. 11OQCh. 20 - Prob. 12OQCh. 20 - Prob. 13OQCh. 20 - Prob. 14OQCh. 20 - Prob. 15OQCh. 20 - Prob. 1CQCh. 20 - Prob. 2CQCh. 20 - Prob. 3CQCh. 20 - Prob. 4CQCh. 20 - Prob. 5CQCh. 20 - Prob. 6CQCh. 20 - Prob. 7CQCh. 20 - Prob. 8CQCh. 20 - Prob. 9CQCh. 20 - Prob. 10CQCh. 20 - Pioneers stored fruits and vegetables in...Ch. 20 - Prob. 12CQCh. 20 - Prob. 1PCh. 20 - Prob. 2PCh. 20 - Prob. 3PCh. 20 - The highest waterfall in the world is the Salto...Ch. 20 - Prob. 5PCh. 20 - The temperature of a silver bar rises by 10.0C...Ch. 20 - Prob. 7PCh. 20 - Prob. 8PCh. 20 - Prob. 9PCh. 20 - If water with a mass mk at temperature Tk is...Ch. 20 - Prob. 11PCh. 20 - Prob. 12PCh. 20 - Prob. 13PCh. 20 - Prob. 14PCh. 20 - Prob. 15PCh. 20 - Prob. 16PCh. 20 - Prob. 17PCh. 20 - How much energy is required to change a 40.0-g ice...Ch. 20 - Prob. 19PCh. 20 - Prob. 20PCh. 20 - Prob. 22PCh. 20 - In an insulated vessel, 250 g of ice at 0C is...Ch. 20 - Prob. 24PCh. 20 - Prob. 25PCh. 20 - Prob. 26PCh. 20 - One mole of an ideal gas is warmed slowly so that...Ch. 20 - Prob. 28PCh. 20 - Prob. 29PCh. 20 - A gas is taken through the cyclic process...Ch. 20 - Prob. 31PCh. 20 - Prob. 32PCh. 20 - A thermodynamic system undergoes a process in...Ch. 20 - Prob. 34PCh. 20 - A 2.00-mol sample of helium gas initially at 300...Ch. 20 - (a) How much work is done on the steam when 1.00...Ch. 20 - Prob. 37PCh. 20 - Prob. 38PCh. 20 - A 1.00-kg block of aluminum is warmed at...Ch. 20 - Prob. 40PCh. 20 - Prob. 41PCh. 20 - Prob. 42PCh. 20 - Prob. 43PCh. 20 - A concrete slab is 12.0 cm thick and has an area...Ch. 20 - Prob. 45PCh. 20 - Prob. 46PCh. 20 - Prob. 47PCh. 20 - Prob. 48PCh. 20 - Two lightbulbs have cylindrical filaments much...Ch. 20 - Prob. 50PCh. 20 - Prob. 51PCh. 20 - Prob. 52PCh. 20 - (a) Calculate the R-value of a thermal window made...Ch. 20 - Prob. 54PCh. 20 - Prob. 55PCh. 20 - Prob. 56PCh. 20 - Prob. 57PCh. 20 - Prob. 58APCh. 20 - Gas in a container is at a pressure of 1.50 atm...Ch. 20 - Prob. 60APCh. 20 - Prob. 61APCh. 20 - Prob. 62APCh. 20 - Prob. 63APCh. 20 - Prob. 64APCh. 20 - Review. Following a collision between a large...Ch. 20 - An ice-cube tray is filled with 75.0 g of water....Ch. 20 - Prob. 67APCh. 20 - Prob. 68APCh. 20 - An iron plate is held against an iron wheel so...Ch. 20 - Prob. 70APCh. 20 - Prob. 71APCh. 20 - One mole of an ideal gas is contained in a...Ch. 20 - Prob. 73APCh. 20 - Prob. 74APCh. 20 - Prob. 75APCh. 20 - Prob. 76APCh. 20 - Prob. 77APCh. 20 - Prob. 78APCh. 20 - Prob. 79APCh. 20 - Prob. 80APCh. 20 - Prob. 81CPCh. 20 - Prob. 82CPCh. 20 - Prob. 83CPCh. 20 - Prob. 84CP
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