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Use the Maxwell distribution of speeds to estimate (a) the fraction of CO2 molecules at 300 K that have speeds in the range of 200 to 250 m s-1; (b) if there are 10^23 CO2 molecules, how many of these molecules have speeds in the range of 200 to 250 m s-1?
Problem- If 2.65 g of n2h4 reacts and produces .750 L of n2, at 295k and 1.00 atm what is the percent yield of the reaction
The enthalpy of vaporization of Benzene is 33.9 kJ/mole at 298K. Explain how many liters of C6H6 (g), measured at 298 K and 95.1 mmHg, are formed when 1.54kJ of heat is absorbed by C6H6 (l) at a constant temperature of 298K.
Measurements on a MOSFET operating in the subthreshold conduction region indicate that the current changes by a factor of 10 for every 80-mV change in vGS and that Id = 20 nA at vGS = 0.16 V. Find the value of iD at Vgs = 0.
describe that means you have to write in detail how to prepare an aqueous 5.0 f solution of acetic acid ch3cooh. you
If someone can go in depth into finding the Ka to this and then guiding me through the rest of the steps, I'd be eternally grateful
Analysis of water in a sediment sample at equilibrium at pH 7.00 showed [SO42-] = 2.00 x 10^-5 M and a partial pressure of H2S of 0.100 atm. Show with appropriate calculations if methane, CH4, would be expected in the sediment.
Identify the relative molar amounts of the species in 0.10 M NaBr(aq). If equal, place the species in the same box. H2O OH- H30+ Br- Na+ NaBr
Why are the injection port and detector always heated to higher temperatures than the column in a gas chromatograph
Describe how to prepare 100 ml of 0.200 M acetate buffer, pH 5.00 starting with pure liquid acetic acid and solution contaning ~3 M HCl and ~3 M NaOH
A 1.23 mol sample of KOH is dissolved in 425 ml water. find the molarity of the solution
Calculate the binding energy of the 2s electron in iron and calculate the binding energy of the 2s electron in iron. Does the new energy agree better with experiment?
an unknown hydrocarbon a with formula c6h12 reacts with 1 molar equivalent ofh2 over palladiumcatalyst. hydrocarbon a
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