Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 25, Problem 5PLA
The temperature in a room is measured to be Tc = 24.5°C. What is the Kelvin temperature of the room? Show your work.
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Chapter 25 Solutions
Physics Laboratory Manual
Ch. 25 - Prob. 1PLACh. 25 - What are the conditions under which a real gas...Ch. 25 - Prob. 3PLACh. 25 - Which temperature scale must always be used in the...Ch. 25 - The temperature in a room is measured to be Tc =...Ch. 25 - If the volume of the room in Question 5 is 50.0 m3...Ch. 25 - A gas at constant temperature has a volume of 25.0...Ch. 25 - A gas at constant pressure has a volume of 35.0 m3...
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- Suppose you have 2.5 kg of steam at 100°C occupying 6.5 m3 at a pressure of 1.013 x 10° Pa. When the steam condenses to water at 100°C, it occupies a volume of 2.26 x 106 0.55 m. If the latent heat of vaporization of water is kg , what was the change in the water's internal energy? Show your work.arrow_forwardSuppose you have 2.5 kg of steam at 100°C occupying 6.5 m° at a pressure of 1.013 x 10° Pa. When the steam condenses to water at 100°C, it occupies a volume of 0.55 m³. If the latent heat of vapor- 2.26 x 106L ization of water is kg , what was the change in the water's internal energy? Show your work.arrow_forwardA car mass is 1000 kg drives on a bridge over a river at a speed of 8m/s. The bridge is 12 meters on the greatest a) What is the total energy of the car while it is on the bridge? Show your work. b) Now imagine the car is parked on a very tall building. How big would the building need to be for the car to have the same total energy that it did in part ? show your work 8 9 *- *+ 5 T G 6 Y H & 7 U J 8 *F9 M K F10 9 O F11 0 L P F12 PrtSc tarrow_forward
- How much energy is required to heat 250 g of ice at -20 degrees Celsius to steam at 120 degrees Celsius? Show your work.arrow_forwardAnswer the following questions and be sure to show all your work. a. It is difficult to extinguish a fire on a crude oil tanker, because each liter of crude oilreleases 2.80×10^7 J of energy when burned. To illustrate this difficulty, calculate thenumber of liters of water that must be expended to absorb the energy released byburning 1.00 L of crude oil, if the water has its temperature raised from 20.0ºC to 100ºC,it boils, and the resulting steam is raised to 300ºC.b. Discuss additional complications caused by the fact that crude oil has a smaller densitythan water.arrow_forwardHow much heat is needed to change 4.3kg of carbon dioxide from dry ice (solid) to liquid carbon dioxide? Show your work.arrow_forward
- Determine the final volume of air in a balloon, which initially has 0.900 m3 of air, when its temperature is raised from 77.0 °F to 176.0 °F. The coefficient of volume expansion of air is 3.4 x 10^-3 1/ °C. Show your work.arrow_forwardTen kilograms (10 kg) of ice at 0 °C is combined with fifty kilograms (50 kg) of water at 20 °c. The mixture is allowed to come to thermal equilibrium. What is the final temperature of the mixture in degrees Celsius? Assume the process takes place at constant atmospheric pressure, and that no heat is exchanged with the environment. Consult the formula sheet for any constants that you may need. Show your work.arrow_forwardWhat is the magnitude of the charge, in coulombs, of a lithium nucleus containing three protons and four neutrons? Show your workarrow_forward
- An object has a charged of +3.4 uC. How many electrons would it need to gain to achieve a charge of +1.0 uC? Show your work.arrow_forwardTwo point charges of 7.5 µC were placed 25 mm from one another. What is the magnitude and direction of the force produced? Show your work.arrow_forwardShow all working explaining detailly each step. Imagine you were provided with: a stirrer, a thermometer, a plastic cup, a stand, a piece of plywood with holes in it, through which a thermometer and a stirrer can pass, a large measuring cylinder, some warm water, some cubes of ice, a clean rag. Measure the temperature (θR) of the room. Transfer a known volume (V1) of warm water into the cup that can fill it to about two thirds of its capacity. Keeping the cup open, stir the warm water continuously until its temperature falls down to a value θ1 that is about 5 or 60C above θR. Dry some small blocks of ice with a clean rag and drop them into the warm water. Place the wooden or cardboard lid over the cup, with the stirrer and the thermometer in the holes in it. Stir the water continuously and put just enough small blocks of ice in it to make its final steady temperature θ2 to be about 5 to 60C bleow θR . Pour all the water into a measuring cylinder and measure its volume V2 . Estimate…arrow_forward
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