Cross sectional area affects the temperature gradient. Select one: a. True O b. False
Q: 2. Calculate the melting point of ice under a pressure of 10 MPa in Kelv density of ice under these…
A: GivenP=10 MPa
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A: atmospheric pressure (Patm) =101.32kPa. Temperature (T) = 250C=298K.
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Q: 9. A quartz sphere is 14.0 cm in diameter. What will be its change in volume if it is heated from 64…
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A: Outside air temperature= 5 C Return air temperature= 22 C Mixed air temperature = 18.3 C
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Q: 1. A quartz sphere is 15.0 cm in diameter. What will be its change in volume if its temperature is…
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A: Heat is form of energy that is transferred from hotter to cooler objects that are in contact with…
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A: Absolute temperature is a measure of temperature that starts from absolute zero. It is typically…
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Q: The barometer shows a value of 770 mm Hg; dry bulb temperature is 45°C; wet bulb temperature is…
A: Given, Temperature of dry bulb, td = 45o C Temperature of dry bulb, tw = 30o C And pressure, PB =…
Q: 1. A quartz sphere is 14.0 cm in diameter. What will be its change in volume if its temperature is…
A: Given : diameter of quart sphere, d = 14 cm = 0.14 m increase in temperature, ΔT = 280…
Q: An increase in temperature of the water may cause other changes. An increase in surface water…
A: Rate of evaporation
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A: Required : The average rage of change in the temperature with rising elevation.
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Q: Complete the temperature of an air parcel as it ascends and descents as given below. Assume the…
A: Adiabatic process is the process where no exchange of heat between the system and the surroundings.…


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- 3. The data below shows the environmental temperature at different height: Altitude (m) 0 50 Temperature (°C) 24.00 23.75 100 23.50 150 200 23.25 23.00 Above 200 m, the ambient temperature increases at the rate of +20 °C km*1. (a) A 100-m tall stack emits a plume whose temperature is 24.50°C. Using graphical method and with justification, predict the maximum mixing height of the plume. (b) Describe the type of plume emitted under the conditions mentioned in 3(a).PHET Density X Assignme x → Topic9Wri x y! A diver st X Ⓒ File | C:/Users/marko/Downloads/Topic8WrittenPortion_6_7.pdf Netflix Party - Chro... 90°F Sunny Topic8WrittenPortion_6_7.pdf 1 2 3 Assignments M Gmail D YouTube → Maps A diver st X Netflix CA steel ba x Netflix 1 2/3 | Chegg.co X Log In | TherapyPor... | Topic8W x 100% + | A y! A child's 1 > DELL y! A child's t X A child's toy has a solid plastic disc of radius 10cm that can be rotated about its center. Child A applies a force of 30N tangent to the edge of the disc to cause it to rotate counter clockwise. Child B also applies a force of 20N tangent to the edge of the disc to cause it to counter clockwise. The net torque applied to the disc causes an angular acceleration of 8.33rad/s^2. a) What is the moment of inertia of the solid plastic disc? (answer: 0.6kgm^2) b) What is the mass of the solid plastic disc? (answer: 120kg) C The absol X + I ➡I 0 Q.1 7:23 PM 7/19/2022 x : ⠀5. A 600-g piece of tin absorbs 1000 J of heat. By how much will its temperature change? (ctin = 227 J/kg-K) 7.3 K 7.3 mK 2.6 K 2.6 kK 380 kK
- 3. In an experiment to determine the thermal conductivity of a bar of a new alloy, one end is maintained at 0C and the other at 100C. The bar has a cross-sectional area of 1cm? and a length of 20cm. If the rate of heat conduction through the bar is 34 Watts, what is the thermal conductivity of the bar? उ 券18. In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately a rectangle 160 km long, 40.0 km wide, and 250 m thick. (a) What is the mass of this iceberg, given that the density of ice is 917 kg/m?? (b) How much heat transfer (in joules) is needed to melt it? (c) How many years would it take sunlight alone to melt ice this thick, if the ice absorbs an average of 100 W/m?, 12.00 h per day?9. In an experiment, a 0.280-kg piece of ceramic superconducting material at 27 °C is placed in liquid nitrogen at its boiling point (-195.8 °C) to cool. The nitrogen is in a perfectly insulated flask that allows the gaseous N2 to escape immediately. How much mass of liquid nitrogen will be boiled away? (Take the specific heat of the ceramic material to be the same as that of glass.) grams