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Methanol (CH3O) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen CO(g)+2H2(g)<======>CH3OH(g). An equilibrium mixture in a 2.00-L vessel is found to contain0.0406 mol CH3OH, 0.170 mol CO and .302 molH2 at 500 K. Compute Kc at this temperature.
lead sulfide pbs commonly called galena has the same formula as zns. does pbs have the same solid structure as zns? if
the total quantity of coal burned in canada and the united states in a year is approximately 450 x 106 t. the average
Calculate the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq)
If 1.06 moles of helium exert a pressure of 0.750 atm at 210 degrees Celius, what is the volume in milliliters
While 8.8 g of NaCl(s) is added to a 250 mL solution of 0.75 M silver nitrate (AgNO3), if the chloride ions combine with silver ions, and precipitate as AgCl(s) at the bottom of the solution. Explain what concentration of Ag+ ions remains dissolve..
the ph for a 2.6 moll propanoic acid solution was 2.24. what is thenbspkanbspof propanoic acid given that propanoic
Calculate the pH of 9.2E-8 M NaOH, ignoring activity coefficients. Report the pH using the correct number of decimal places.
a sample of Ringer's solution contains the following concentractions (mEq/L) of cations: Na 147, K 4 and Ca2 4. If CI- is the only anion in the solution,
Will nitric acid digest and contaminate a sample with additional carbon if it is filtered with a cellulose filter paper?
what is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters? Toluene has a molecular weight of 92
The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate?
One isotope of a metallic element has mass number 65 and 35 neutrons in the nucleus. The cation derived from the isotope has 28 electrons. Write the symbol for this cation.
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