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If 500 ml of 0.20 M NaCN is treated with 500 mL of an HOCl solution to produce a resultant solution with pH 7.00, calculate Mi for this HOCl solution. Show all pertinent work including reaction equations but not arithmetic.
write the balanced reaction for the complete combustion f octane c8h18 and then determine how many moles of oxygen it
use oxidation number to show which element is oxidized and which element is reduced in this equation 2H2o2----2H2O+O2
the enthalpy of vaporization of ethanol i 43.5 kjmole at its normal boiling point of 352 k. using avalue of the molar
Ammonium hydrogen sulfide decomposes on heating NH4HS(s) NH3(g) + H2S(g) If Kp for this reaction is 0.11 at 298 kelvins (with pressures in atmospheres)
To this was added 20.0 ml of DI water making to the total volume 30.0 ml. The concetration of the unknown acid was 0.868 M. What was the concentration of the original acid?
At 1000K, the equilibrium constant Kc for the reaction is 3.80x10-5. Suppose you start with 0.0356 of I2 in a 2.30 L flask at 1000K. What is the concentration of the atomic gas at equilibrium
The density of titanium metal is 4.51g/cm3 at 25C. what mass of titanium displaces 125.0ml of water at 25c.
Decide whether to use acetic acid/acetate or formic acid/formate. Prepare .100 L of a pH 3.74 buffer with a total buffer strength of 0.100 M Calculate the volumes of acid and base necessary to make each buffer.
Calculate C (vm) i.e constant molar volume heat and the final pressure of a sample of carbon dioxide that expands reversibly and adiabatically from 57.4 kPa and 1 dm^3 to a final volume of 2 dm^3 . Take gamma(γ)= 1.4
calculate the amount of heat needed to boil 50.6g of ethanol ch3ch3oh beginning from a temperature of 24.4c . round
How many grams of water are needed to dissolve 27.8 g of ammonium nitrate (NH4NO3) in order to prepare a 0.452 m solution
The nitration of toluene gives o- and p-nitrotoluene as the major products
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