EP PHYSICS F/SCI.+ENG.W/MOD..-MOD.MAST.
5th Edition
ISBN: 9780134402635
Author: GIANCOLI
Publisher: PEARSON CO
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(a) If the heat capacity of an electric jug is 500 J °c1, how much heat energy does it
absorb when heating 1.5 L of water, specific heat 4200 J kg1 0c1, from 20°C to 95°C?
(iv) Convert 129 J/kg°C to cal/g°c
(a) 5.3x105
(b) 0.031
(c) 32.44
(d) 30.8
(I) What is the specific heat of a metal substance if 135 kJof heat is needed to raise 4.1 kg of the metal from 18.0°C to37.2°C?
Chapter 18 Solutions
EP PHYSICS F/SCI.+ENG.W/MOD..-MOD.MAST.
Ch. 18.1 - Prob. 1AECh. 18.1 - Prob. 1BECh. 18.1 - Prob. 1CECh. 18.1 - Prob. 1DECh. 18.4 - Prob. 1EECh. 18 - Why doesnt the size of different molecules enter...Ch. 18 - When a gas is rapidly compressed (say, by pushing...Ch. 18 - In Section 181 we assumed the gas molecules made...Ch. 18 - Explain in words how Charless law follows from...Ch. 18 - Prob. 5Q
Ch. 18 - As you go higher in the Earths atmosphere, the...Ch. 18 - Prob. 7QCh. 18 - Explain why the peak of the curve for 310 K in...Ch. 18 - Is temperature a macroscopic or microscopic...Ch. 18 - Escape velocity for the Earth refers to the...Ch. 18 - Prob. 11QCh. 18 - If the pressure in a gas is doubled while its...Ch. 18 - What everyday observation would tell you that not...Ch. 18 - Alcohol evaporates more quickly than water at room...Ch. 18 - Explain why a hot humid day is far more...Ch. 18 - Is it possible to boil water at room temperature...Ch. 18 - What exactly does it mean when we say that oxygen...Ch. 18 - A length of thin wire is placed over a block of...Ch. 18 - Consider two days when the air temperature is the...Ch. 18 - (a) Why does food cook faster in a pressure...Ch. 18 - How do a gas and a vapor differ?Ch. 18 - (a) At suitable temperatures and pressures, can...Ch. 18 - Why does dry ice not last long at room...Ch. 18 - Under what conditions can liquid CO2 exist? Be...Ch. 18 - Why does exhaled air appear as a little white...Ch. 18 - Prob. 26QCh. 18 - Prob. 27QCh. 18 - Prob. 1MCQCh. 18 - Prob. 2MCQCh. 18 - Prob. 3MCQCh. 18 - Prob. 4MCQCh. 18 - Prob. 5MCQCh. 18 - Prob. 6MCQCh. 18 - Prob. 7MCQCh. 18 - Prob. 8MCQCh. 18 - Prob. 9MCQCh. 18 - Prob. 10MCQCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - (I) A 1.0-mol sample of hydrogen gas has a...Ch. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10PCh. 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 - (I) A group of 25 particles have the following...Ch. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 24PCh. 18 - (I) (a) At atmospheric pressure, in what phases...Ch. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - (II) A pressure cooker is a sealed pot designed to...Ch. 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. 49PCh. 18 - Prob. 53PCh. 18 - A sample of ideal gas must contain at least N =...Ch. 18 - In outer space the density of matter is about one...Ch. 18 - Calculate approximately the total translational...Ch. 18 - (a) Estimate the rms speed of an amino acid, whose...Ch. 18 - The escape speed from the Earth is 1.12 104 m/s,...Ch. 18 - Prob. 63GPCh. 18 - Prob. 66GPCh. 18 - Prob. 69GPCh. 18 - Prob. 71GPCh. 18 - Prob. 72GPCh. 18 - Prob. 73GPCh. 18 - Prob. 74GPCh. 18 - Prob. 75GPCh. 18 - Prob. 76GPCh. 18 - Prob. 77GP
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- (II) A tire is filled with air at 15°C to a gauge pressure of230 kPa. If the tire reaches a temperature of 38°C, whatfraction of the original air must be removed if the originalpressure of 230 kPa is to be maintained?arrow_forward. (II) A brass plug is to be placed in a ring made of iron. At15°C, the diameter of the plug is 8.755 cm and that of theinside of the ring is 8.741 cm. They must both be broughtto what common temperature in order to fit?arrow_forward(II) If the humidity in a sealed room of volume 420m3 at20°C is 65%, what mass of water can still evaporate froman open pan?arrow_forward
- (II) An iron boiler of mass 180 kg contains 730 kg of water at 18°C. A heater supplies energy at the rate of 58000 KJ/h How long does it take for the water (a) to reach the boiling point, and (b) to all have changed to steam?arrow_forward(II) How much heat is needed to melt 23.50 kg of silverthat is initially at 25°C?arrow_forward(II) If the air pressure at a particular place in the mountainsis 0.80 atm, estimate the temperature at which water boils.arrow_forward
- (III) Approximately how long should it take 8.2 kg of ice at 0°C to melt when it is placed in a carefully sealed Styrofoam ice chest of dimensions 25cmx 35cm x55 cm whose walls are 1.5 cm thick? Assume that the conductivity of Styrofoam is double that of air and that the outside temperature is 34°C.arrow_forward(II) A 215-g sample of a substance is heated to 330°C and thenplunged into a 105-g aluminum calorimeter cup containing185 g of water and a 17-g glass thermometer at 10.5°C.The final temperature is 35.0°C. What is the specific heatof the substance? (Assume no water boils away.)arrow_forward(I) An automobile cooling system holds 18 L of water. Howmuch heat does it absorb if its temperature rises from 15°Cto 95°C?arrow_forward
- (II) Typical temperatures in the interior of the Earth and Sun are about 4000°C and 15 x 106 °C, respectively. (a) What are these temperatures in kelvins? (b) What percent error is made in each case if a person forgets to change °C to K?arrow_forward(I) What is the partial pressure of water vapor at 30°C ifthe humidity is 75%?arrow_forward(I) To what temperature will 8200 J of heat raise 3.0 kg ofwater that is initially at 10.0°C?arrow_forward
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