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

A spherical steel ball bearing has a diameter of 2.540 cm at 21.00°C. (Assume the coefficient of linear expansion for steel is  11 ✕ 10−6 (°C)−1. ) (a) What is its diameter when its temperature is raised to 98.0°C? (Give your answer to at least four significant figures.)? cm(b) What temperature change is required to increase its volume by 0.900%? ?°C

A rubber ball of radius 2.12 m and emissivity 0.940 is heated to 128°C. HINT (a) Convert the given temperature to Kelvin. (Enter your answer to at least three significant figures.) K (b) What is the surface area (in m2) of the ball? m2 (c) If the ambient temperature is 24.0°C, what net power (in W) does the ball radiate? W

The density of gasoline is 7.30 x 102 kg/m3 at 0°C. Its average coefficient of volume expansion is 9.60 x 10-4 (°C)-1, and note that 1.00 gal = 0.00380 m3. (a) Calculate the mass of 11.2 gal of gas at 0°C. (Give your answer to at least two decimal places.) 31.06 X kg (b) If 1.000 m3 of gasoline at 0°C is warmed by 20.2°C, calculate its new volume. (Give your answer to at least two decimal places.) 8605 Your response differs from the correct answer by more than 10%. Double check your calculations. m3 (c) Using the answer to part (b), calculate the density of gasoline at 20.2°C. (Give your answer to at least three significant figures.) 846.34 Your response differs from the correct answer by more than 10%. Double check your calculations. kg/m3 (d) Calculate the mass of 11.2 gal of gas at 20.2°C. (Give your answer to at least two decimal places.) 36.02 Your response differs from the correct answer by more than 10%. Double check your calculations. kg (e) How many extra kilograms of gasoline…