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Problem- (1) Describe fully the preparation of a cation-exchange resin and its mode operation as a water softner
(2) Both PVA & poly(acrylic acid) are prepared from vinyl monomers. Which monomers are used? Desribe the factors which preclude the use the "theoretical monomers"
Rework your solution from the beginning and check each step carefully.
Problem- Discuss the impact that the tonnage of sulfur or sulfuric acid recovered from SO2 in flue gas treatment would have upon the chemical industry if all coal- and oil-fired were required to use such treatment processes.
Nitric acid is not only a strong acid but also a strong oxidizing agent. In hot concentrated acid solution, the reaction with zinc is: 3 Zn(s) + 8 HNO3 ? 3 Zn(NO3)2(aq) + 2 NO(g) + 4 H2O
Explain why do you get 2 peaks instead of 3 for the 3-bromopentane nmr spectra after a sn2 reaction of 2-pentanol with HBr and H2SO4
What changes would I make in my experimetal procedure to determine the rate law for the oxidation of red dye by sodium hypochlorite
a piece of iron with a mass of 350g at 300 C is added to 1.00kg of water at 20 C. what is the final temperature of the iron
The activation energy of a reaction is 57.9 kJ/mol and the frequency factor is {1.5\; \times \;10^{11} }/{{\rm{s}}}. Calculate the rate constant of the reaction at 26^\circ C.
What is the net redox reaction that occurs when Pt comes into contact with acidic KMnO4
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
Einstein stated that the incident radiation had to have a minimum energy to dislodge the electron from the metal surface. This energy is called the work function.
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to 550. mL of 0.906-M solution of NH3 in order to prepare
Explain (using chemical equations) why NaOCl (bleach) is not terribly effective at killing bacteria in pools or tubs where the water has become acidic over time.
A solid substance X has a vapor pressure of 300mm Hg at 25oC and does not conduct electricity. Solid substance Y has an undetectably small vapor pressure at 25oC and is a good electrical conductor.
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