19:53 wWIlal Is ue uiuei vi maymtuue oi ItS Tale oi eieryy oss (a) 10-3 W 10 W 103 W 106 W (b) What is the order of magnitude of its rate of temperature change? 10-3 K/s ~10-1 K/s 102 K/s 104 K/s SerPSE10 19.2.O P.004. My Notes -/10 points 2. Ask Your Teacher A tin calorimeter cup with a specific heat of 210 J/(kg °C) contains kerosene with a specific heat of 2,018 J/(kg C) at 16.0°C. The combination is heated uniformly so that the temperature changes by 1.30°C per minute. If the cup has a mass of 200 g and contains 900 g of the liquid, determine the rate at which heat energy is added (in W) W 0/10 points SerPSE10 18.4.O P.01 5. My Notes Ask Your Teacher 3. Previous Answers Iron has a density of 7.850 x 103 kg/m at 0°C and an average linear expansion coefficient of 1.200 x 105(C1). A 25.00 kg block of iron at 0°C is heated to 85.00°C What is the density (in kg/m3) of the iron block at 85.00°C? (Round your answer to at least four significant figures.) (a) kg/m3 7.182 (b) What is the mass (in kg) of the iron block at 85.00°C? kg SerPSE10 19.6. P.023. RMy Notes 4. 10/10 points Previous Answers Ask Your Teacher A student is trying to decide what to wear. His bedroom is at 22.0°C. His skin temperature is 29.0°C. The area of his exposed skin is 1.47 m2. People all over the world have skin that is dark in the infrared, with emissivity about 0.903. Find the net energy loss from his body by radiation in 10.7 min. J 35989.338 My Notes 10/10 pointsPrevious Answers + Ask Your Teacher 5. SerPSE10 19.2.P.003. A combination of 0.250 kg of water at 20.0°C, 0.400 kg of aluminum at 26.0°C, and 0.100 kg of copper at 100°C is mixed in an insulated container and allowed to come to thermal equilibrium. Ignore any energy transfer to or from the
19:53 wWIlal Is ue uiuei vi maymtuue oi ItS Tale oi eieryy oss (a) 10-3 W 10 W 103 W 106 W (b) What is the order of magnitude of its rate of temperature change? 10-3 K/s ~10-1 K/s 102 K/s 104 K/s SerPSE10 19.2.O P.004. My Notes -/10 points 2. Ask Your Teacher A tin calorimeter cup with a specific heat of 210 J/(kg °C) contains kerosene with a specific heat of 2,018 J/(kg C) at 16.0°C. The combination is heated uniformly so that the temperature changes by 1.30°C per minute. If the cup has a mass of 200 g and contains 900 g of the liquid, determine the rate at which heat energy is added (in W) W 0/10 points SerPSE10 18.4.O P.01 5. My Notes Ask Your Teacher 3. Previous Answers Iron has a density of 7.850 x 103 kg/m at 0°C and an average linear expansion coefficient of 1.200 x 105(C1). A 25.00 kg block of iron at 0°C is heated to 85.00°C What is the density (in kg/m3) of the iron block at 85.00°C? (Round your answer to at least four significant figures.) (a) kg/m3 7.182 (b) What is the mass (in kg) of the iron block at 85.00°C? kg SerPSE10 19.6. P.023. RMy Notes 4. 10/10 points Previous Answers Ask Your Teacher A student is trying to decide what to wear. His bedroom is at 22.0°C. His skin temperature is 29.0°C. The area of his exposed skin is 1.47 m2. People all over the world have skin that is dark in the infrared, with emissivity about 0.903. Find the net energy loss from his body by radiation in 10.7 min. J 35989.338 My Notes 10/10 pointsPrevious Answers + Ask Your Teacher 5. SerPSE10 19.2.P.003. A combination of 0.250 kg of water at 20.0°C, 0.400 kg of aluminum at 26.0°C, and 0.100 kg of copper at 100°C is mixed in an insulated container and allowed to come to thermal equilibrium. Ignore any energy transfer to or from the
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Iron has a density of 7.850 ✕ 103 kg/m3 at 0°C and an average linear expansion coefficient of 1.200 ✕ 10−5(°C−1). A 25.00 kgblock of iron at 0°C is heated to 85.00°C.
(a) What is the density (in kg/m3) of the iron block at 85.00°C? (Round your answer to at least four significant figures.)
kg/m3
(b) What is the mass (in kg) of the iron block at 85.00°C?
kg
Transcribed Image Text:19:53
wWIlal Is ue uiuei vi maymtuue oi ItS Tale oi eieryy oss
(a)
10-3 W
10 W
103 W
106 W
(b)
What is the order of magnitude of its rate of temperature change?
10-3 K/s
~10-1 K/s
102 K/s
104 K/s
SerPSE10 19.2.O P.004.
My Notes
-/10 points
2.
Ask Your Teacher
A tin calorimeter cup with a specific heat of 210 J/(kg °C)
contains kerosene with a specific heat of 2,018 J/(kg C) at
16.0°C. The combination is heated uniformly so that the
temperature changes by 1.30°C per minute. If the cup has a
mass of 200 g and contains 900 g of the liquid, determine the
rate at which heat energy is added (in W)
W
0/10 points
SerPSE10 18.4.O P.01 5.
My Notes
Ask Your Teacher
3.
Previous Answers
Iron has a density of 7.850 x 103 kg/m at 0°C and an average
linear expansion coefficient of 1.200 x 105(C1). A 25.00 kg
block of iron at 0°C is heated to 85.00°C
What is the density (in kg/m3) of the iron block at 85.00°C? (Round your answer to at least four significant figures.)
(a)
kg/m3
7.182
(b)
What is the mass (in kg) of the iron block at 85.00°C?
kg
SerPSE10 19.6. P.023.
RMy Notes
4.
10/10 points
Previous Answers
Ask Your Teacher
A student is trying to decide what to wear. His bedroom is at
22.0°C. His skin temperature is 29.0°C. The area of his
exposed skin is 1.47 m2. People all over the world have skin
that is dark in the infrared, with emissivity about 0.903. Find
the net energy loss from his body by radiation in 10.7 min.
J
35989.338
My Notes
10/10 pointsPrevious Answers
+ Ask Your Teacher
5.
SerPSE10 19.2.P.003.
A combination of 0.250 kg of water at 20.0°C, 0.400 kg of
aluminum at 26.0°C, and 0.100 kg of copper at 100°C is mixed
in an insulated container and allowed to come to thermal
equilibrium. Ignore any energy transfer to or from the
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