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the turbine at apressure of 3 bar for process heating. If the condensate from the processheater is directly pumped back to the boiler, find: the power output from the turbine.
If the condenser pressure is 0.03 bar, find the thermal efficiency of the cycle. Neglect feed pump work. If the is entropic efficiency of the steam turbine in part (a) above is 0.82, find: thermal eff
The specific volume of water at this pressure is 0.13 × 10-2 m3 kg-1, calculate the specific enthalpy of water at 55 bar pressure.
Consider an irreversible adiabatic expansion of an ideal gas against a constant external pressure. Derive a formula for the temperature change of the gas, if its volume change by dv.
Conduct research to determine the impact of the Sarbanes-Oxley Act (SOX), Generally Accepted Accounting Principles (GAAP), Generally Accepted Auditing Standards (GAAS).
What is the difference between biochemical, pharmaceutical, and diagnostic chemical reactions in healthcare?
What is meant by the term correlation, and why are fossils such powerful tools in correlating strata over great distances?
Calculate the rotational constant B for H2(g)and D2(g)in unite of frequency. Rationalize the trend in rotational constant for these two molecule ,given the differ only in atomic mass.
What is the physical interpretation of compressibility factor, Z ? At what general pressure does the compressibility factor converge for all temperatures?
The sample as first heated to drive of all the oxygen , yielding a resideue of 0.522g. this residue was terated with AgNo3 to give 1.003 g of solid AgCl. Determine the empirical formula of the compu
Describe polymers, and how they are formed. What are the benefits of polymers? provide an example of a naturally occurring polymer and a manmade polymer and the properties of each.
What is a Lithium Ion Battery? Why is it called a Lithium Ion Battery? How is a lithium ion battery different from a regular lithium battery?
What is a chemical transformation of waste? List the problems associated with incineration of solid waste?
When 4g of sodium hydroxide (NaOH) was dissolved in 100g of water, a value of 10C was obtained for ?T. Calculate the value (calories) for the heat of solution of 4g of NaOH.
In making the 3,5-dinitrobenzoate ester derivative, what compounds could be present besides the ester? Indicate any step in the procedure that is intended to remove a possible impurity.
The calorimeter and water absorb 21.9 kJ of heat. How much heat is given off when one mole of salicylic acid burns
that the density of all solutions is 1.00 g/mL, and the volumes are additive. calculate the q for the reaction and calculate q for the neutralization of one mole of NaOH
Calculate the binding energy of the 6Li nucleus in Joules per nucleon, given the following nuclear masses: 6Li = 6.01348 amu, proton = 1.00728 amu and neutron = 1.00867 amu.
Tritium, 3H, undergoes beta decay with a decay constant of 5.63 x 10-2 yr-1. How much time is required for a 1.00 g sample of tritium to decay to 0.250 g
As part of its decay process, the radioactive isotope of polonium 214Po undergoes successive emissions of one alpha particle and two beta particles. What is the product after these three decays
When 50.0 mL of a 0.3000 M AgNO3 solution is added to 50 mL of a solution of MgCl2, and AgCl precipitate forms immediately. The precipitate is then filtered from the solution, dried, and weighed.
Each carbon-carbon sigma bond in the molecule allene (C3H4) is formed by the overlap of a ___ orbital on each end carbon with a ___ orbital on the central carbon.
Which of the following pairs of substances has the higher chemical potential (?) under the specified conditions? They may be equal. 1.) H2O (s) at -1 degrees Celsius and 1 bar, or H2O (s) at 1 degre
Calculate the correct volume of sulfuric acid which will need to be added to neutrallize the base. The chemical reaction involves Al(OH)3 and Fe2O3 reacting with KOH and H2SO4 with the end product b
Why do you think the enthalpy of activation, H ‡ , for a syn-periplanar elimination is higher than that for an anti-periplanar elimination