Engineering, 17.12.2020 17:20 cxttiemsp021

10 kg of liquid water is in a container maintained at atmospheric pressure, 101325 Pa. The water is initially at 373.15 K, the boiling point at that pressure The latent heat of water-> water vapor is 2230 J/g. The molecular weight of water is 18 g 10 J of heat is added to the water. 1) How much of the water turns to vapor? mass(vapor)- 0.44843 g Submit
2) By how much did the Gibbs free energy change? Gfinal-Ginitial SubmitHelp
3) By how much did the entropy change? Sfinal Sinitial- J/K| Submit Help
4) By how much did the total (liquid +vapor) enthalpy H-U+pV change? Hfinal-Hinitial SubmitHelp
5) By how much did the volume change, treating the vapor as an ideal gas and the liquid as having negligible volume? Vfinal-Vinitial m3 Submit Help
6) By how much did the total energy (liquid +vapor) change?
Ufinal-Vinitial

Answers: 2

Show answers

Another question on Engineering

Engineering, 03.07.2019 15:10

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

Answer

Engineering, 04.07.2019 18:20

Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k

Answers: 2

Answer

Engineering, 04.07.2019 18:20

An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid

Answers: 3

Answer

Engineering, 04.07.2019 19:10

Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.

Answers: 1

Answer

You know the right answer?

10 kg of liquid water is in a container maintained at atmospheric pressure, 101325 Pa. The water is...

Questions