subject
Engineering, 13.09.2019 22:30 Yailynn598

The initial internal energy of a mug of coffee is known to be 168 btu. the initial coffee temperature is approximately 200 f. the room temperature is 70 f. time passes and the final amount of internal energy in the coffee is 68 btu. how much heat flowed from the coffee to the room?

ansver
Answers: 2

Other questions on the subject: Engineering

image
Engineering, 03.07.2019 15:10, EmilySerna
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
image
Engineering, 04.07.2019 18:10, hadellolo8839
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
image
Engineering, 04.07.2019 18:20, 1230bering
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
image
Engineering, 06.07.2019 02:30, josediaz1124
Around steel bar, made from material with a yield stress of 750mpa, is loaded so that it has stresses co locations of maximum normal stress and maximum shear stress. use maximum shear stress and maximum distortion energy theories to calculate the safety factors for initial yielding failures.
Answers: 3
You know the right answer?
The initial internal energy of a mug of coffee is known to be 168 btu. the initial coffee temperatur...

Questions in other subjects:

Konu
Mathematics, 18.09.2020 04:01
Konu
English, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01
Konu
Mathematics, 18.09.2020 04:01