![Engineering](/tpl/images/cats/User.png)
Engineering, 04.07.2020 14:01, aryal191
In the first-order process, a blue dye reacts to form a purple dye. The amount of blue dye at the end of 1 hr is 480 g and the end of 3 hr is 120 g . Estimate the amount of the blue dye present initially
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Engineering
![image](/tpl/images/cats/User.png)
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20, moneywaydaedae
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 19:20, Katmcfee7681
Acommercial grade cubical freezer, 4 m on a side, has a composite wall consisting of an exterior sheet of 5.0-mm thick plain carbon steel (kst= 60.5 w/m k), an intermediate layer of 100-mm thick polyurethane insulation (kins 0.02 w/m k), and an inner sheet of 5.0- mm thick aluminium alloy (kal polyurethane insulation and both metallic sheets are each characterized by a thermal contact resistance of r 2.5 x 104 m2 k/w. (a) what is the steady-state cooling load that must be maintained by the refrigerator under conditions for which the outer and inner surface temperatures are 25°c and -5°c, respectively? (b) for power saving purpose, which wall material should be increased/reduced in. thickness in order to reduce 50% of the cooling load found in part (a)? redesign the thickness of the proposed material. 177 w/m-k). adhesive interfaces between the q=575.93 w
Answers: 2
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 19:20, lordcaos066
Determine the time of the day and month of the year at which the peak sensible cooling load occurs for a top floor, north-eastern corner room of an office building in durban for the following conditions: floor area: 8 x 8 x 3 m east and north walls: 115 mm face brick (outside), 20 mm air space, 115 mm ordinary brick (inside) with 15 mm plaster roof construction: suspended plasterboard ceiling, 450 mm air space, 150 mm concrete, 75mm screed, waterproofing no heat transfer across other surfaces window area 3x 1,5 m high in north wall only. ordinary glass with venetian blinds. lights and occupants : from 07: 00 to 18: 00 average light density: 25 w/m2 number of occupants : 5 seated, light office work room temperature 24°c
Answers: 3
Do you know the correct answer?
In the first-order process, a blue dye reacts to form a purple dye. The amount of blue dye at the en...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.04.2021 03:40
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.04.2021 03:40
![Konu](/tpl/images/cats/istoriya.png)
History, 22.04.2021 03:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 22.04.2021 03:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.04.2021 03:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.04.2021 03:40
![Konu](/tpl/images/cats/istoriya.png)
History, 22.04.2021 03:40