Tap water is contaminated with E. coli!! To make safe drinking water, water is needed to be boiled,9.8 kg ofsnow at -5.0°C using the stove that is rated at 2290 W. Cenow = 2090J/kg °C ,Cater= 4186J/ kg °C, L = 3.4 x105 J/Kg, L, = 2.3 x 10° J/Kga.Determine the amount of energy needed to bring the ice to a boil (boiling water liquid)? Include asketch of a heating/cooling curve. Ib. If the stove was 97.3% efficient, how long (in minutes) would it take to boil the ice? [

Givenm=9.8kgT1=-5oCQ=2290WCsmow=2090 J/kgoCCwater=4186 J/kgoCLf=3.4×105 J/kgLV=2.3×106 J/kg

Tap water is contaminated with E. coli!! To make sate drinking snow at -5.0°C using the stove that is rated at 2290 W. Cenoow = 2090J/kg °C,Cater = 4186J/ kg °C, L = 3.4 x %3D 10 1/Kg, L, = 2.3 x 10° J/Kg a.Determine the amount of energy needed to bring the ice to a boil (boiling water liquid)? Include a sketch of a heating/cooling curve. I h If the stove was 97.3% efficient. how long (in minutes) would it take to boil the ice? I

Tap water is contaminated with E. coli!! To make sate drinking snow at -5.0°C using the stove that is rated at 2290 W. Cenoow = 2090J/kg °C,Cater = 4186J/ kg °C, L = 3.4 x %3D 10 1/Kg, L, = 2.3 x 10° J/Kg a.Determine the amount of energy needed to bring the ice to a boil (boiling water liquid)? Include a sketch of a heating/cooling curve. I h If the stove was 97.3% efficient. how long (in minutes) would it take to boil the ice? I

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

An ideal gas at 15 lbf/in2, 77°F flows horizontally at 516 ft/s into an adiabatic diffuser. It exits at 28 ft/s. Assume the heat capacity of the gas is constant.a. Determine the change in specific enthalpy (in Btu/lbm) and the outlet temperature if the gas is He.b. Repeat for R-125.c. Repeat for ozone (O3), which has a Molecular Mass of 47.9982 and a Cv0 of 0.1538 Btu/(lbm∙°R).
The answer must be correct to get helpful rate. Q1) What is the specific internal energy of water at 50 kPa and 180°C? Use data from the steam tables. The specific internal energy of water is _____ kJ/kg.
Steam at 5 MPa and 400 °C expands polytropically to 1.0 MPa according to pV 1.3=C.Determine the work of nonflow and steady flow, the heat transferred, Δh, and Δs. Draw PV and TS diagram
Wet steam at 200oC and 20% moisture is compressed in an irreversible adiabatic process to a pressure of 2.30 MPa and a temperature of 225oC. Determine (a) the irreversibility of the process in kj/kgK, (b) the compression efficiency in %, and (c) the compression internal reheat in kj/kg. Sketch the t-s and hs- diagram.Use steam tables by Keenan and Keyes if possible.
Draw the PV and TS Diagram of this problem. Steam at 5 MPa and 400 °C expands polytropically to 1.0 MPa according to pV 1.3=C.Determine the work of nonflow and steady flow, the heat transferred, Δh, and Δs.
Refrigerant 134-a enters a compressor as saturated vapor at -20°C and leaves at 1.2 MPa and 80°C. The mass flow rate of the refrigerant is 1.5 kg/s. If the heat loss from the compressor per unit mass of refrigerant is 20 kJ/kg, what is the power input to the compressor?
Determine the quantity of heat required to generate one kg of steam at a pressure of7 bar from water at temperature of 25°C, when(a) The dryness fraction is 0.88(b) Steam is just dry(c) It is superheated at constant pressure to 270°C, assuming mean specific heat ofsuperheated steam to be 2.5 kJ/kg K.
Can you answer this one full Solutions... The answer of this problem are Ans. 0.49 MPa, 2877.3 kJ/kg, 2659.7 kJkg, 0.4467 m3/kg But idont know the full solutions... (5) Steam at a temperature of 210°C has a specific entropy of 7.1167 kJ/kg•K. Determine the pressure, internal energy, enthalpy and volume.
p89#9. a certain ideal gas whose R=278.6J/kgm.K and Cp=1.015kJ/kgm.K expands isentropically from 1517 kPa,288 degree celsius to 965kPa. fro 454gmm/s of this gas detrmine,(a)Wnf,(b) V2,(c) change of internal energy and (d) change in enthalpy.
The gain in entropy during an isothermal non-flow process of 5 lbm of air at 60F is 0.462 BTU/R. What is (a) V2/V1, (b) P2/P1, (c) W and Q? And draw the P-V and T-S diagram.
Estimate the specific heat relationship R = Cp - Cv (kJ/kg°C), for R134a at 0.24MPa and 40°C. Using the forward-difference method
5kg of steam has an initial enthalpy of 2711.5 kJ at 0.222 MPa. Isentropic compression gives a final pressure of 0.29 MPa. Find (a) the initial and final temperatures and (b) the work of a steady and nonflow processes? Ans. T1=124C, T2=149C, W=-187