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The fastest growing use of methyl alcohol, , is to make the octane enhancer methyl tert-butyl ether, CH3OC(CH3)3. Methyl lcohol is also being considered as a fuel for automobiles and as a starting material for synthetic gasoline. Today all methyl alcohol is produced by the reaction of carbon monoxide and hydrogen. For the equilibrium
CO(g)+2H2(g)<--->CH3OH(l)
kp=1.3*10^-4 at 300 degrees celsius
a) what is the value of Kc?
b) In which direction will this equilibrium shift if the temperature is raised ?
c) In industrial process, the stoichiometric ratio of CO to H2 is used. If the reaction is carried out at a totl pressure of 30 atm, what partial pressures of CO and H2 are used?
An unknown acid has a molar mass of 90. g/mol and a mass composition of, 40%-C, 6.7%-H, and 53.3% -O. What is the molecular formula of the acid
what is the change in pH after addition of 10.0mL of 1.0M sodium hydroxide to 90.0mL oof a 1.0M NH3/1.0M NH4+ buffer? (Kb for ammonia is 1.8 X 10-5)
Calculate the theoretical yield percentage of a reaction between sodium and water, if 25.0 g of sodium react with excess water and if 15.5 L of gaseous hydrogen are collected at NTP conditions.
Which formula represents the greatest number of isomers?
The volume of sea water displaced by the plastic block is 2.37 cm3. Assuming the density of the sea water is 1.025 g/mL, what is the density of the plastic?
Write the structure of a different product that could have been formed if you used ethanol containing substantial amount of water instead of the absolute ethanol
In the reaction 4 P4 + 5 S8 -> 4 P4S10 600 g of P4 is mixed with 1300 g of S8.
the mineral greenockite is a rare yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur by mass. Determine the empirical formula of greenockite.
A cylinder equipped with a piston expands against an external pressure of 1.58 atm. If the initial volume is 0.485 L
The vapor pressure of pure methanol, CH3OH, at 30 °C is 160. torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 131. g of methanol to obtain a solution with a vapor pressure of 133. torr?
To characterize the elution properties of the solute in a way independent of the geometry of the chromatographic column, the retention constant R = Vo / Ve is used. R is equal to the fraction of solute in the void volume Vo and
Ethanol (C2H5OH) melts at -114 °C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively.
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