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The process to remove chromate (3SO2 + 2CrO4 2- + 4H+ = 2 Cr3+ 3SO4 2- + H2O) in a completely mixed reactor has reached equilibrium. If more SO2 was added to the system, how would the chromate in the effluent change?
Calculate the cell potential for the following reaction as written at 69 °C, given that [Mg2 ] = 0.876 M and [Fe2 ] = 0.0160 M. Standard reduction potentials can be found here.
What is E for the transition of an electron from n = 7 to n = 4 in a Bohr hydrogen atom. What is the frequency, of the spectral line produced
substance A has a smaller heat of vaporization than substance B. Which will undergo a larger change in vapor pressure for a given temperature
q. determine what is the mass of gasoline in tank of your cars if it is filled to its capacity of 15.0 gallons given
Explain why emission spectrophtometry has the ability to be much more sensitive than absorbance spectroscopy
A helium balloon has a volume of 3.50L at 22.0 degrees celsius and 1.14atm . What is its volume if the temperature is increased to 30.0 degrees celsius and the pressure is increased to 1.20atm
calculate w and ?U when 1 mole of xenon gas assumed ideal under goes adiabatic expansion from 27?c to 127? assuming(heat capacity of constant volmue=12.5)
if 77.0 mL of .150 M HCl (aq) is needed to neutralize all the NH3(g) from a 2.25 gram sample of organic material, calculate the mass percentage of nitroge in the sample.
Predict the major organic product formed when 1-bromobutane undergoes a SN2 reaction with EtONa.
Compound B is quite soluble in toluene, but only slightly soluble in petroleum either. How could these two solvents be used in combination in order to recrystallize compound b
Using the reactions below, write out the chemical expression for the fraction of all species that would be [Sn2+] (note this form does not need to be solved for K values, just the compounds themselves).
an open-end mercury manometer is connected to a low pressurepipeline that supplies a gas to a laboratory. because paint
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