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Problem- Set up the appropriate equations to solve for the speciation of the following system. To a 1 L beaker of water are added 1*10^6 moles of NiCl2, 5*10^2 moles of NH4Cl, and 2.5*10^4 moles of Ca(OH)2. After you set up the necessary equations.
State short paragraph summarizing what the results show.
What is the final temperature (in oC) of a 41.6 g sample of iron (specific heat = 0.444 J/(g K)) which evolves (-12.18) J of heat when it cools from 91.4oC
For how many seconds must the electrolysis of CUSO4 (aq) solution be carried out, at a current of 2.25A, to deposit 2.41 g of copper (Cu) at the cathode
calculate the heat of reaction for 2PbS +3O2 yields 2PbO +2SO2 given the following information. PbS= -93.3 kj/mol. PbO=-219.7. SO2=-296.6. O2 = 0. I got -846kj, is that correct
Four wavelengths of light are each quantized to excite electrons of a given atom to a particular higher energy shell. Assign wavelengths of 496nm, 356nm, 701nm, and 591nm
Calculate the difference in gibbs energy between monoclinic sulfur and orthorhombic sulfur at 298 K and a pressure of 1 bar. take the enthalpy in each phase to be given by the following expressions.
If you titrate a 25.00 mL sample of H2SO4 with your standardized base and 18.94 mL of base is required for complete neutralization, what is the molarity of H2SO4. The mean concentration of the base is .124 M of NaOH
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time
The human eye is able to detect as little as 2.35E-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light that can be detected by the human eye.
A syringe containing 1.65 of oxygen gas is cooled from 94.6 to 5.0. What is the final volume of oxygen gas
a certain transition metal compound contains a cobalt ion ofunknown valence ligands of water molecules and chloride
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
Explain how many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water
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