Lab 6-Suren Baghramyan

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Problem Statement A heat engine draws 14 kW of heat from a reservoir at 900 K. The work it produces drives a refrigerator which produces a refrigeration capacity of 12 kW. Both devices reject heat to a reservoir at 300 K. What is the lowest possible temperature of the space cooled by the refrigerator? Answer Table Correct Stage Description Your Answer Answer * 1 Lowest temperature of cold space (K) Due Date Grade (%) Part Weight Attempt Action/Message Type Nov 7, 2024 11:59 pm 0.0 1 1/5 Submit

Review | Constants

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Physics

APPLICATIONS OF FIRST ORDER DIFFERENTIAL EQUATIONS Newton’s Law of Cooling and Joint Proportions   At 4:00pm, a thermometer reading of 28 deg C is taken outside where the ambient temperature is –11 deg C. At 4:05 pm, the thermometer reads 8 deg above zero. After a while, the thermometer is returned to the room maintained at 28 deg C. At 4:12pm, the thermometer reads 15 deg C. When was the thermometer returned to the room?

dated metncpdf Thermodynamics An Engineering X E Module2-chap2propertiesofpure x O File C:/Users/DANIEL/Desktop/300L%202ND%20SEMESTER%20MATERIALS/Module2-chap2propertiesofpuresubstances-130703012604 phpap. ID Page view A Read aloud V Draw H Highlight O Erase 40 MEC 451 - THERMODYNAMICS Faculty of Mechanical Engineering, UITM Supplementary Problems The pressure in an automobile tire depends on the temperature of the air in the tire. When the air temperature is 25°C, the pressure gage reads 210 kRa. If the volume of the tire is 0.025 m3, Cetermine the pressure rise in the tire when the air temperature in the tire rises to 50°C. Also, determine the amount of air that must be bled off to restore pressure to its original value at this temperature. Assume the atmospheric pressure is 100 kPa. [ 26 kPa, 0.007 kg] 1. A 6 4 2:57 PM Lucky CORER 144 Tum lock 314 % 8 1/2 24 6 1/4 23 T K F pause B

Here questions and answers both are available I need your handwriting and also please don't copy and paste chegg answers

= 14 15 16 17 18 19 20 21 22 23 24 25 26 A gas storage cylinder in an ordinary chemical laboratory measures 3.9 cm wide and 16. cm high. This is the label on it. olo Contents: N, gas Pressure: 7.93 atm If the cylinder is opened and the gas allowed to escape into a large empty plastic bag, what will be the final volume of nitrogen gas, including what's collected in the plastic bag and what's left over in the cylinder? Write your answer in liters. Round your answer to 2 significant digits. ?

00 T R %24 Bb R V qa du/webapps/assessment/take/launch.jsp?course_assessment_id%=_254968_1&course_id%3D 3565256_1&content id= 52826 * Question Completion Status: Attach File Browse Local Files Browse Content Collection QUESTION 2 A company needs to choose one supplier for a particular type of silicon wafer used'in the production of semiconductors. The company has three options. Supplier A sells the silicon wafers for $2.50 per wafer, independently of the number of wafers ordered. Supplier B sells the wafers for $2.40 each but does not consider an order for less than 2,000 wafers. Supplier C sells the wafers for $2.30 each but does not accept an order for less than 3,000 wafers. Assume an order setup cost of $100 and an annual requirement of 20,000 wafers. Assume a 20% annual interest rate for holding cost calculations. a. Which supplier should be chosen to minimize the total annual cost for the wafers, and what is the optimal order quantity? b. If the replenishment lead time for wafers…

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Newton's Law of cooling states that the rate at which heat is lost by a heated body is proportional to the difference in temperature between the body and the surrounding medium. Match the following statements/phrases with the corresponding item in the drop down box. Choices in the box 1. In accordance with the stated law obove, we have the equation? 2. If a thermometer is taken outdoors where the temperoture is 5 deg C, from a room in which the temperature is 20 deg C and the reading drops 10 deg C in one minute, the working equation is? 3. In the obove problem, separoting the variables and integrating will result to? 4. In the obove problem, how long, in minutes, after its removal from the room will the reading be 6 deg C? 5. In the obove problem, ofter 30 seconds, whot will be the thermometer reading? 5.2 dT(body temp)/dt = k(Temp of medium - 5) dr(body temp)/dt = k(Temp of body - Temp of medium) Temp of body = Cenkt +5 2.5 13.7 dr(body temp)/dt = k(Temp of medium - Temp of body)…

Match the correct statements about the second law of thermodynamics. The Kelvin-Planck [ Choose ] statement relates to V [ Choose ] The Clausius statement relates refrigerators/air conditioning units/heat sdund heat engines

Part d-f

10:45 PM | 5.7KB/s E expert.chegg.com/ex Chegg + Time remaining: 00:06:48 Vo 4G+ LTE Answer Skip Exit 10 26 Chemistry 1. You are throwing a fondue party! You need to heat 800.0 mL of vegetable oil from 20 to 190.0°C using an ethanol burner. Assuming a perfect transfer of heat from the burner into the oil, what mass of ethanol would be required (Note - ethanol has a molar enthalpy of -1277 KJ/mol)? Assume your kitchen is at SATP, vegetable oil has a density of 0.920 g/mL and the specific heat capacity of vegetable oil is 2.000 J/g °C.

Answer Q1 and Q2 (thermofluids)