(2) If equal weights of polymer A and polymer B are mixed, Calculate M, and M, of the m ixture Polymer A: M, = 35,000, M, = 90,000 Polymer B: M, = 150,000, Mw = 300,000
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- polymers made with free radical polymerization were measured: poly (n-butyl methacrylate), poly(methacrylic acid), poly(n-hexyl methacrylate), poly(methyl methacrylate) and poly(t-butyl methacrylate). Measured values for the glass transition temperatures were: 501, 388, 378, 293, and 268 K. Assign the correct value for Tg to each polymer sample, explaining your reasoning.The Ksp of Zn(OH)2 is 3.00 x 10^-17The Ksp for AgCl is 1.77 x 10^-10
- Please show the detail A. Estimate the [O3]/[O] ratio in Chapman mechanism at 30 km with p=10 Torr, T=250K using the J values and rate constant given below. Hint: The mixing ratio of O2 is 0.21, which mean [O2]=0.21[M] B. Calculate the expected [O3] in ppm at 30 km, with p=10Torr, T=250K, using the J values and rate constant given below:9. Calculate the Go in kJ/mol. 3Fe2+ (s) + 2Cr(aq) ⟶2Cr3+(aq) + 3Fe (s); Eocell=0.30 V Group of answer choices -170 +170 +87 +58 -195 10. Calculate Ecell in volts. Zn(s)|Zn2+(2.50x10-4M)||Sn2+(1.50M)|Sn(s) Eocell=+0.624 V Group of answer choices 0.736 0.635 0.512 0.848 no correct answerCalculate delt g for Pbl2(s) + Pb2+(aq) +2I-(aq) T= 25C Kp= 8.7x10-9
- It is estimated that the net amount of carbon dioxide fixed byphotosynthesis on the landmass of Earth is 5.5 x 1016 g/yrof CO2. Assume that all this carbon is converted into glucose.(a) Calculate the energy stored by photosynthesis onland per year, in kJ. (b) Calculate the average rate of conversionof solar energy into plant energy in megawatts, MW11W = 1 J/s2. A large nuclear power plant produces about103 MW. The energy of how many such nuclear power plantsis equivalent to the solar energy conversion?will the mechanism be conrotatory or disrotatory? justifyUse Tafel Equation To Estimate The Current Density (In A/Cm2) For A 2-Electron Electrochemical Reaction At Overpotential Of 100mV. Assume A=0.5, i0=10mA/Cm2, T=300K.
- Show, via a calculation, that the average kinetic energy of a population of thermal neutrons is approximately 0.04 eVWhat could be the assumption when the MW of the sample does not match calculated molecualr weight from ∆Tb = mKb despite carefull data processing? The sample is not the compound of interest There are some impurities that affeced the boiling temperature Low heat is used to achieve boiling condition none of the assumption is valid 1 and III are valid assumptions all are valid assumptions I and II are valid assumptionsDetermine the unknown (Abs=0.812) if the absorption of the standard are the following: Standard 1, Abs = 0.354 Standard 2, Abs = 0.453 Standard 3, Abs = 0.563 Standard 4, Abs = 0.683 Blank, Abs = 0.011