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0.526 g sample of a compound containing only C and H was burned, and 1.78 g of CO2 and 0.364 g H2O were obtained. What is the empirical formula of the compound?
What is the pH of the solution at the equivalence point for the titration of 100 mL of a .786 M HCO2H solution with a .786 M Solution of sodium Hydroxide? Formic acid has a Ka=1.80*10^-4
Man wishes to set aside money for his daughter's college education.
Determine the number of moles of sodium hydroxide used to dissolve the aspirin tablet. (This will be the same in all three cases.From your titration data, determine the number of moles of hydrochloric acid added, and hence determine the number ..
why is it important that none of the solid CaCl2 be included in the final distillation of 1-bromobutane?
if iodine gas reacts with excess fluorine gas to produce 7.575g of iodine pentafluoride gas what was the pressure of
in a calorimeter 10.0 g of ice melts at 0 oc. the enthalpy of fusion of the ice is 334 jg. how much heat was
a first order reaction has a half-life of 1.34 x 10-3 hours. if the initial concentration of the reactant is 8.00m what
c2h6g o2g co2g h2oga consider the unbalanced equation above. how many grams of o2 are required to react with 13.0 g
Water Vapor Will react reversibly with methane (CH4) to produce carbon monoxide and hydrogen gas. The equilibrium, with a Kc=0.26, is established at 927 degrees C, in a 0.32L flask which contains 0.26 mol CO, 0.091 mol H2, and 0.041 mol CH4. What ..
Calculate the standard cell potential (E^o) for the reaction X(s)+Y^+(aq)-->X^+(aq)+Y(s) if K = 5.33x10^-3
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
a bicycle tire is filled with air to a pressure of 100. psi at a temperature of 19 degrees celcius. riding the bike on
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