Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
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Chapter 16, Problem 73P
To determine
The percentage difference between the heat energy required to raise the temperature of
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Luis and Salman are trying to increase the temperature of a substance by heating
it.. What is the quantity of heat in kilojoules required to raise the temperature of
3.2 kg of the substance from1° C to 115 °C at a pressure of 1.0 atm? Please keep
three significant figures.
Useful information: Melting point = 293 K
heat of fusion =3.90 x 104 J/kg.
boiling point is 423 K
heat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm).
The specific heats for the solid phase is 600 J/(kg K)
The specific heats for the liquid phase is 1000 J/(kg K)
The specific heats for the gaseous phase is 400 J/(kg K)
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Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the
quantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°C
to 110 °C at a pressure of 1.0 atm? Please keep three significant figures.
Useful information: Melting point = 293 K
heat of fusion = 3.90 x 104 J/kg.
boiling point is 423 K
heat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm).
The specific heats for the solid phase is 600 J/(kg K)
The specific heats for the liquid phase is 1000 J/(kg K)
The specific heats for the gaseous phase is 400 J/(kg K)
A swimming pool filled with water has dimensions of 4.76 m ✕ 10.2 m ✕ 1.70 m. Water has density ρ = 1.00 ✕ 103 kg/m3 and specific heat c = 4186 J/(Kg◦°C).
Find the mass (in kg) of water in the pool.
2. Find the thermal energy (in J) required to heat the pool water from 3°C to 27.1°C.
3. Calculate the cost (in dollars) of heating the pool from 3°C to 27.1°C if electrical energy costs $0.120per kilowatt-hour.
Chapter 16 Solutions
Essential University Physics (3rd Edition)
Ch. 16.1 - Is there (a) no temperature, (b) one temperature,...Ch. 16.2 - A hot rock with mass 250 g is dropped into an...Ch. 16.3 - The figure shows three slabs with the same...Ch. 16.3 - Prob. 16.4GICh. 16.4 - A houses thermostat fails, leaving the furnace...Ch. 16 - If system A is not in thermodynamic equilibrium...Ch. 16 - Does a thermometer measure its own temperature or...Ch. 16 - Compare the relative sizes of the kelvin, the...Ch. 16 - If you put a thermometer in direct sunlight, what...Ch. 16 - Why does the temperature in a stone building...
Ch. 16 - Why do large bodies of water exert a...Ch. 16 - A Thermos bottle consists of an evacuated,...Ch. 16 - Stainless-steel cookware often has a layer of...Ch. 16 - Prob. 9FTDCh. 16 - Prob. 10FTDCh. 16 - Glass and fiberglass are made from the same...Ch. 16 - To keep your hands warm while skiing, you should...Ch. 16 - Since Earth is exposed to solar radiation, why...Ch. 16 - Global warming at Earths surface is generally...Ch. 16 - In its 2014 report, the Intergovernmental Panel on...Ch. 16 - A Canadian meteorologist predicts an overnight low...Ch. 16 - Normal room temperature is 68F. Whats this in...Ch. 16 - Prob. 18ECh. 16 - At what temperature do the Fahrenheit and Celsius...Ch. 16 - The normal boiling point of nitrogen is 77.3 K....Ch. 16 - Prob. 21ECh. 16 - Prob. 22ECh. 16 - Prob. 23ECh. 16 - Whats the specific heat of a material if it takes...Ch. 16 - The average human diet contains about 2000 kcal...Ch. 16 - Prob. 26ECh. 16 - You bring a 350-g wrench into the house from your...Ch. 16 - Prob. 28ECh. 16 - Building heat loss in the United States is usually...Ch. 16 - Find the heat-loss rate through a slab of (a) wood...Ch. 16 - The top of a steel wood stove measures 90 cm by 40...Ch. 16 - Youre a builder whos advising a homeowner to have...Ch. 16 - An 8.0 m by 12 m house is built on a concrete slab...Ch. 16 - Find the -factor for a wall that loses 0.040 Btu...Ch. 16 - Compute the -factors for 1-inch thicknesses of...Ch. 16 - A horseshoe has surface area 50 cm2, and a...Ch. 16 - An oven loses energy at the rate of 14 W per C...Ch. 16 - Youre having your homes heating system replaced,...Ch. 16 - The filament of a 100-W lightbulb is at 3.0 kK....Ch. 16 - A typical human body has surface area 1.4 nr and...Ch. 16 - A constant-volume gas thermometer is filled with...Ch. 16 - A constant-volume gas thermometer is at 55-kPa...Ch. 16 - In Fig. 16.2s gas thermometer, the height h is...Ch. 16 - Prob. 44PCh. 16 - Typical fats contain about 9 kcal per gram. If the...Ch. 16 - A circular lake 1.0 km in diameter is 10 m deep...Ch. 16 - How much heat is required to raise an 800-g copper...Ch. 16 - Initially, 100 g of water and 100 g of another...Ch. 16 - Prob. 49PCh. 16 - Two neighbors return from Florida to find their...Ch. 16 - Prob. 51PCh. 16 - Prob. 52PCh. 16 - Prob. 53PCh. 16 - The temperature of the eardrum provides a reliable...Ch. 16 - Prob. 55PCh. 16 - Your young niece complains that her cocoa, at 90C,...Ch. 16 - A piece of copper at 300C is dropped into 1.0 kg...Ch. 16 - While camping, you boil water to make spaghetti....Ch. 16 - A biology labs walk-in cooler measures 3.0 m by...Ch. 16 - One end of an iron rod 40 cm long and 3.0 cm in...Ch. 16 - Prob. 61PCh. 16 - An electric stove burner has surface area 325 cm2...Ch. 16 - An electric current passes through a metal strip...Ch. 16 - Youre considering purchasing a new sleeping bag...Ch. 16 - A blacksmith heats a 1.1-kg iron horseshoe to...Ch. 16 - Whats the power output of a microwave oven that...Ch. 16 - A cylindrical log 15 cm in diameter and 65 cm long...Ch. 16 - A blue giant star whose surface temperature is 23...Ch. 16 - Prob. 69PCh. 16 - A black wood stove with surface area 4.6 nr is...Ch. 16 - Estimate the average temperature on Pluto,...Ch. 16 - Prob. 72PCh. 16 - Prob. 73PCh. 16 - Prob. 74PCh. 16 - Prob. 75PCh. 16 - In a cylindrical pipe where area isnt constant....Ch. 16 - Prob. 77PCh. 16 - Prob. 78PCh. 16 - Prob. 79PCh. 16 - Use the method outlined in Problem 76 to show that...Ch. 16 - A house is at 20C on a winter night when the...Ch. 16 - A more realistic approach to the solar greenhouse...Ch. 16 - Fiberglass is a popular, economical, and fairly...Ch. 16 - Fiberglass is a popular, economical, and fairly...Ch. 16 - Fiberglass is a popular, economical, and fairly...Ch. 16 - Fiberglass is a popular, economical, and fairly...
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- At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00 cm3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks the surface?arrow_forwardA swimming pool filled with water has dimensions of 5.01 m ✕ 12.2 m ✕ 1.74 m. Water has density ρ = 1.00 ✕ 103 kg/m3 and specific heat c = 4186 J (kg · °C) . HINT (a) Find the mass (in kg) of water in the pool. ?kg (b) Find the thermal energy (in J) required to heat the pool water from 16.3°C to 26.1°C. ?J (c) Calculate the cost (in dollars) of heating the pool from 16.3°C to 26.1°C if electrical energy costs $0.105 per kilowatt-hour. $ ?arrow_forwardIf the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?. Hint: To get the ΔT (Change in temperature), get the difference between final temperature (Tf) and initial temperature (Ti). [ΔT = Tf – Ti ]arrow_forward
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