Show step by step solution and good handwritten 3. A liquid boils when its vapor pressure is equal toa. One atmosphere of pressureb. The gage pressurec. The absolute pressured. The ambient pressure4. Which thermodynamic property is the best measure of the molecular activity of a substance?a. Enthalpyb. Internal energyc. Entropyd. External energy5. A substance whose properties are uniform throughout a sample is referred to asa. A solidb. An ideal substancec. A pure substanced. A standard substance6. Which of the following statements is true for an isentropic steady-flow process?(는) ^kb. Work = -V(P2 – P1)a.P1P2 - V1C.P1V2d.=T1T2%3!

As per guidelines we need to answer only first question so please repost rest questions separately.

3. A liquid boils when its vapor pressure is equal to a. One atmosphere of pressure b. The gage pressure c. The absolute pressure d. The ambient pressure 4. Which thermodynamic property is the best measure of the molecular activity of a su a. Enthalpy b. Internal energy c. Entropy d. External energy 5. A substance whose properties are uniform throughout a sample is referred to as a. A solid b. An ideal substance c. A pure substance

3. A liquid boils when its vapor pressure is equal to a. One atmosphere of pressure b. The gage pressure c. The absolute pressure d. The ambient pressure 4. Which thermodynamic property is the best measure of the molecular activity of a su a. Enthalpy b. Internal energy c. Entropy d. External energy 5. A substance whose properties are uniform throughout a sample is referred to as a. A solid b. An ideal substance c. A pure substance

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy

Section: Chapter Questions

Problem 8P

See similar textbooks

Similar questions

Obtain the values of vapor pressures of alcohol, water, and glycerin at a room temperature of 20 C.
A vapor compression refrigeration cycle uses steam as the working fluid. Steamflows steadily with a mass ow rate of 0.5 kg/s. Saturated vapor at 2.0 o C (State 1) enters an uninsulated compressor and it is compressed to 0.35 bar (State 2). Heat transfer at the rate of 105 kJ/s occurs from the compressor to its surroundings and the heat transfer exactly balances the entropy generation rate so that s2 = s1. The boundary and surrounding temperature of the compressor is measured to be 26.67 o C. Steam exits as saturated liquid at 0.34 bar (State 3) from the condenser. Steam leaving the condenser is then throttled in an expansion valve (State 4) before entering a constant pressure evaporator to complete the thermodynamic cycle. (a) Calculate the power (kJ/s) for the compressor. (b) Determine the isentropic efficiency (%) of the compressor. (c) Calculate the entropy generation for the compressor. (d) Find the coefficient of performance of the refrigeration cycle. (e) Show the cycle on T-s…
0.05 kg of steam at 1.5 MPa is contained in a rigid vessel of volume of 0.0076 m^3. A. What is the temperature of the steam? B. If the vessel is cooled, at what temperature will the steam be just dry and saturated? C. Cooling is continued until the pressure in the vessel is 1.1 MPa, calculate the amount of vapor at this point. D. Calculate the amount of heat rejected between the initial and the final state. E. Draw the Ts diagram of the whole process.
at 38 degrees celsius and 218 kpa gage, the specific weight of a certain gas was 15.0 n/m^3. determine the gas constant of this gas in j/(kg-kelvin).
ENERGY CONSERVATION - BERNOULLI EQUATION. 3. Kerosene flows at 25 ° C, at a rate of 1200 L / min, from the lower tank (A) to the upper tank (B) through a 2 ”copper tube. type K. Calculate the air pressure over the fluid.
a cylinder of 0.9 m cube in volume contains air at 0°c and 39.24n/cm^2 absolute pressure. the air is compressed to 0.45 m^3.find(1) the pressure inside the cylinder as a isothermal process, (2)pressure and temperature assuming adiabatic process . take k=1.4 for air.
Fluid Mechanics Last Fall, researchers using an unmanned submarine discovered a coral reef at the unprecenented depth of 1/2 mile. The density of seawater at the surface of the ocean is 1025kg/m3 and the bulk modulus of elasticty of seawater is 2.34*109 Pa. A volume of air is taken downward to the coral reef. Assuming an absolute air pressure at the ocean surface of 1 atm, and that the air taken to the reef behaves as an isothermal gas. Find the pressure of the air at that depth. Find the fractional change in denisity and volume of the air at that depth.
3.5 kg of an ideal gas is heated at constant temperature from 15 m3 and 4.0 atm to 35 m3 at Determine the work done
What is the equivalent value of T58in degrees Fahrenheit, Rankine, and kelvin
A tank having a volume of 0.85 m3 initially contains water at 260 oF and x = 0.7. Saturated vapor is slowly withdrawn at the top of the tank as energy is transferred by heat to maintain constant pressure. The process continues until the tank is filled with just saturated vapor. Determine the heat transferred in kJ. Show all your calculations.
Use the psychrometric chart for the following questions unless asked to “calculate”, in which case you must use the appropriate calculations. 1. Calculate the enthalpy (H in kJ/kg) of an air/water vapour mixture which is at 25oC and 0% rh (i.e. dry air). 2. Check your result from question 1 with the psychrometric chart. Are they the same? 3. Now calculate the new enthalpy of the same air/water vapour mixture after raising the rh to 50% (still at 25oC). 4. Check your result again with the psychrometric chart. Are they the same? 5. How much water vapour had to be added to it to raise the rh to 50%? 6. Without changing the enthalpy (i.e. an adiabatic process), how much more water vapour could the air/water vapour mixture from question 4 hold before becoming saturated? 7. What is the new temperature of the air/water vapour mixture of question 5 at saturation? (See over for #8) Timusk 2007 8. Calculate the January ventilation cost for a typical leaky old Toronto house measuring 5m wide x…
Civil engineering: Energy Please solve the problem clearly , don't use previously solved solutions. I am asking this for a second time. Hope you understand Question: The atmosphere is stable with a lapse rate of -0.2 degree C/100 m. The surfaces air temperature is 15 degree C. A parcel of air is released at the ground with a temperature of 25 degree C. Calculate the maximum mixing height, in m.