Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 18, Problem 33SP
How much heat is required to change 10 g of ice at exactly 0° C to steam at 100° C?
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Students have asked these similar questions
How much energy is required to change
a 31 g ice cube from ice at -11 °C to
steam at 112°C? The specific heat of ice
is 2090 J/kg °C, the specific heat of water is
4186 J/kg °C and the specific heat of steam
is 2010 J/kg °C. The heat of fusion of water
is 333000 J/kg and the heat of vaporization is
2.26 × 106 J/kg.
Answer in units of J.
An ice tray is removed from a freezer, where the ice was at a temperature of -11°C, and left on a
countertop. If the mass of the ice is 0.29 kg, how much heat must be added in k to turn all the ice into
room temperature water (that is, liquid water at 20°C)? The specific heat of water is 4.2
kgC
kJ
the heat
of fusion of water is 335
kg
kJ
and the specific heat of ice is 2.1
kg°C*
133.69
This is a change of phase question. There are 3 cases we have to consider:
1. The heat required to increase the temperature of the ice, Q1
2. The heat required to turn the ice into a liquid (a phase change), Q2
3. The heat required to raise the temperature of the now liquid water, Q3
For Q1, you will use the equation Q = mcATusing the c=2.1 kJ/(kg*C). Keep in mind that the
hp
How many joules are needed to change 50g of ice at 0°C to steam at 120°C?The latent heat of fusion of ice
is 3.35 x 10°J/kg; latent heat of vaporization of water is 2.26 x 10°J/kg. The specific heat capacities of ice;
water, and steam, respectively, are 2093 J/(kg. K), 4186 J/(kg. K) and 2010 J/(kg. K).
out of
Select one:
A. 50.68 kJ
B. 63.96 kJ
O C. 227.6 kJ
D. 53.96 kJ
E. 20.5 kJ
F. 800.2 kJ
G. 153.7 kJ
H. 22.76 kJ
Chapter 18 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 18 - 18.19 [I] Victoria Falls on the Zambezi River is...Ch. 18 - Prob. 20SPCh. 18 - 21. How much energy must be removed from a 10.0-kg...Ch. 18 - 22. A 100-kg chunk of ice at −150 °C is to have...Ch. 18 - Prob. 23SPCh. 18 - 24. A molten 50.0-kg quantity of gold at 1063 °C...Ch. 18 - Prob. 25SPCh. 18 - Prob. 26SPCh. 18 - Prob. 27SPCh. 18 - 18.28 [II] What will be the final temperature if...
Ch. 18 - Prob. 29SPCh. 18 - 18.30 [II] How long does it take a 2.50-W heater...Ch. 18 - 18.31 [II] A 55-g copper calorimeter contains 250...Ch. 18 - Prob. 32SPCh. 18 - 18.33 [II] How much heat is required to change 10...Ch. 18 - 18.34 [II] Ten kilograms of steam at 100 °C is...Ch. 18 - 18.35 [II] The heat of combustion of ethane gas is...Ch. 18 - Prob. 36SPCh. 18 - 18.37 [II] Determine the result when 100 g of...Ch. 18 - 18.38 [II] Determine the result when 10 g of steam...Ch. 18 - Prob. 39SPCh. 18 - 18.40 [II] How long will it take a 500-W heater to...Ch. 18 - Prob. 41SPCh. 18 - 18.42 [II] On a certain day the temperature is 20...Ch. 18 - 18.43 [II] How much water vapor exists in a 105-...Ch. 18 - 18.44 [II] Air at 30 °C and 90 percent relative...
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- A temperature of 162F is equivalent to what temperature in kelvins? (a) 373 K (b) 288 K (c) 345 K (d) 201 K (e) 308 Karrow_forwardDuring heavy exercise, the body pumps 2.00 L of blood per minute to the surface, where it is cooled by 2.00C. What is the rate of heat transfer from this forced convection alone, assuming blood has the same specific heat as water and its density is 1050kg/m3 ?arrow_forwardA 1.00-kg block of copper at 20.0C is dropped into a large vessel of liquid nitrogen at 77.3 K. How many kilograms of nitrogen boil away by the time the copper reaches 77.3 K? (The specific heat of copper is 0.092 4 cal/g C, and the latent heat of vaporization of nitrogen is 48.0 cal/g.)arrow_forward
- A 100-g piece of copper, initially at 95.0C, is dropped into 200 g of water contained in a 280-g aluminum can; the water and can are initially at 15.0C. What is the final temperature of the system? (Specific heats of copper and aluminum are 0.092 and 0.215 cal/g C, respectively.) (a) 16C (b) 18C (c) 24C (d) 26C (e) none of those answersarrow_forwardA hollow aluminum cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0C. It is completely filled with turpentine at 20.0C. The turpentine and the aluminum cylinder are then slowly warmed together to 80.0C. (a) How much turpentine overflows? (b) What is the volume of the turpentine remaining in the cylinder at 80.0C? (c) If the combination with this amount of turpentine is then cooled back to 20.0C, how far below the cylinders rim does the turpentines surface recede?arrow_forwardA student, who is trying to drink away memories of a physical science homework, decides to pour themselves a bourbon on the rocks. They put an ice cube of mass 508 g which is at -9.9 ˚C into their bourbon. How much heat is necessary to change 508 g of ice to water at 20°C? The specific heat of water is 4186 J/kg˚C, The specific heat of ice is 2090 J/kg˚C, and the specific heat of steam is 2010 J/kg˚C The latent heat of fusion for water is 3.33 x 105 J/kg and the latent heat of vaporization for water is 2.26 x 106 J/kgarrow_forward
- An ice tray is removed from a freezer, where the ice was at a temperature of -12°C, and left on a countertop. If the mass of the ice is 0.35 kg, how much heat must be added in kJ to turn all the ice into room temperature water (that is, liquid water at 20°C)? The specific heat of water is 4.2 kg°C kJ the heat of fusion of water is 335 , and the specific heat of ice is 2.1 kg°C kJarrow_forwardA mass of ice at -4°C is needed to cool 115 kg of vegetables in a bunker for 24 hours. The initial temperature of the vegetables is assumed to be 29°C. It is also assumed that, within the 24-hr period, the average temperature inside the bunker is 7°C. If the heat gained per hour in the bunker is 30% of the heat removed to cool the vegetables from 29°C to 7°C, what would be the required mass of ice in kg? Use: Specific heat of water 4.2292 kJ/kg-°C Specific heat of ice 1.9387 kJ/kg °C Specific heat of vegetables 3.35 kJ/kg-°Carrow_forward
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