Engineering, 26.07.2019 19:30 robsantana11
20g of ice are at thermal equilibrium with 200g of water in a thermally isolated vessel. a 60g block of aluminum at 250 c is dropped into the water-ice solution. lf=333 kj/kg for water, specific heat of water=4.2 kj/(kg k) specific heat of aluminum 0.9 kj/(kg. k) a)-what is the final temperature at thermal equilibrium? b)-what is the entropy change of the 20g of ice?
Answers: 1
Another question on Engineering
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
Answers: 1
Engineering, 04.07.2019 19:10
What is the main objective of using reheat rankine cycle?
Answers: 3
You know the right answer?
20g of ice are at thermal equilibrium with 200g of water in a thermally isolated vessel. a 60g block...
Questions
Mathematics, 23.12.2019 02:31
History, 23.12.2019 02:31
English, 23.12.2019 02:31
English, 23.12.2019 02:31
Mathematics, 23.12.2019 02:31
Social Studies, 23.12.2019 02:31
History, 23.12.2019 02:31
