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What is the answer for these 2 questiona
1. Since PV = C, P isinversely proportional to V. If V is increased from 20L to 40L, P will decrease by half. When volume doubles, pressuredecrease by half.
2. Given; volume = 2 Liters, T = 23 oC = 296K, mass of O2 = 32 grams, the pressure of O2 gas =?
Population ratio between two energy levels is 0.98. The space between the energy level is 0.625 meV. What is the system's temperature?
Write the structures for the major monobromination products that would be formed from each of the following substrates used. Explain your predictions.
a student reported the following for his unknown mixture 25 nh4cl 30 nacl and 50 sio2. assuming that the calculations
Determine the equilibrium constant for the gas phase T= 298k , 1 atm total pressure , mixture of hydrogen , iodine and hydrogen iodide.
Calculate the initial rate of polymerization and the molar mass of the poly (methyrl methacrylate) formed in the initial stages of the reaction given that the relevant rate cofficients at 60 degrees are:
As a technician in a large pharmaceutical research firm, you need to produce 450.ml of 1.00M potassium phosphate buffer solution of pH = 7.13. The Pka of H2PO4 - is 7.21.
A concentration cell is constructed which contains two Ni(s)-Ni2+(aq) half cells. The first half cell has [Ni2+] = 1.35 M, and the second half-cell has [Ni2+] = 3.75 x 10^-4 M. Which half cell is the cathode of the cell and what is the cell potenti..
What concentration of this base will produce a pH of 10.13?
The value of Kc for this reaction is 5.0 at 600K. What are the equilibrium and partial pressures of the three gases if a reaction vessel initially contains a mixture of reactants in which Pco =Pcl2 = .215 atm and Pcocl2=0.000 atm
Balanced equations for the reaction of resorcinol in water, resorcinol in toluene, and resorcinol in hexanes. Balanced equations for the reaction of anthracene in the same three solvents.
An al strip is placed in CuSo4 solution 1) would you expect a spontaneous reaction to take place, based on the net potential? 2) If your answer is yes, what would you observe? 3) State a chemical equation that explains your predicted observations
Cautiously add 1.3 mL of concentrated sulfuric acid. Reflux for an hour. Transfer top layer to vial. Add 1.5 mL of 80 percent sulfuric acid to vial. What would the expected outcome be if a student forgot to add sulfuric acid to the reaction mixtur..
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