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Using the steam tables as a guide, find the regions on a Mollier diagram or a p-v diagram where the ideal gas equations with constant specific heats are accurate to within ±1.00% for
a. Specific volume v.
b. Enthalpy h.
c. Entropy s.
Vessel A contains NH3 gas at 80 degrees celcuis and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1x10^-21 J/molecules at 70 degrees celcius, calculate the root-mean-square speed of Ne atomes in m/s.
how many grams of Mg(OH)2 will be needed to neutralize 25ml of stomach acid if stomach acid is .10M HCL
Problem- The time required for complete burnout of coal(assume pure carbon) when O2 diffusion is the RDS (1 atm, D = 10^-5 m^2/s, 200K, 0.1mm particles whose density is 1500 kg/m^3) exceeds 1 second). Is the statement true or false
Question- For each pair of substances chooses the one that you expect to have the higher standard molar entropy (S°) at 25 °C. Explain the reasons for your choices. a. NaNO3(s); NaNO3(aq) b. CH4(g); CH3CH3(g) c. Br2(l); Br2(g) d. Br2(g); F2(g) e. ..
In an automobile engine, at the end of the upstroke the piston is at its maximum height in a cylinder of exact dimensions. At this time, a precisely measured mixture of fuel and oxidant ignites to form gaseous products.
a compound is 40% C, 6.7% H, and 53.3% O by mass. Assume that we have a 100 g sample of this compound. what are the subscripts in the empirical formula?
In the reaction of aluminum metal and oxygen gas to make aluminum oxide, how many moles of aluminum will react with 0.80 grams O2?
A 0.9157 g mixture of CaBr2 and NaBr is dissolved in water, and AgNO3 is added to the solution to form AgBr precipitate. If the mass of the precipitate is 1.6930 g, what is the percent by mass of NaBr in the original mixture
Nickel and aluminum electrodes are utilized to build a galvanic cell. The standard reduction possible for the nickel(II) ion is -0.26 V as well as that of the aluminum(III) ion is -1.66 V.
one of the most important enzymes in the world is nitrgoenase the plant protein that catalyzes nitrogen fixation. the
if you were stranded on a desert island and wanted to perform a re-crystallization what substance would best be used
The rate constant for the second order reaction 2NO2 ® N2O4 is 2.79 L/mol ·min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life? A) 20.5 s B) 10.3 s C) 0.341 min D) 176 s
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