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, 04.07.2019 18:10

For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater

Answers: 3

Answer

Engineering, 04.07.2019 18:20

Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?

Answers: 3

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 19:10

The maximum shear stress and maximum flexural stress occur at the same location along a beam subjected to a non-uniform bending load. a)-trune b)- false

Answers: 2

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