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Given the subsequent data Amax = 1.699, Amin =0.000, Ab=0.523, as well as the pH of the solution is 6.66. Compute the pKa ad n the Ka.
dry air had a co2 mole fraction of 0.00038 in 2007 compared with 0.00032 in 1965. calculate the total mass of co2 that
Description of Lipids 1) What are the ingredients of a cephalin? 2) Which fatty acid is always unsaturated in a cephalin? Why?
Procedure General flow and logic Temperatures Times Solvents Techniques used to make the products At least one test (your choice) to verify your product the reaction of 2 methyl 2 octene with HBr reacting with heat and CH3Br
If the rate of appearance of oxygen (?[O2]/?t) is 6.0 x 10-5 M/s at a particular instant, what is the value of the rate of appearance of ozone (-?[O3]/?t) at this same time
Then transfer 1 mL of tube # 1 to tube # 2 and mix well. 1 mL of the contents of tube # 2 is then transferred to tube # 3, and the procedure is repeated for the remaining tubes. What is the molar concentration of protein in tube # 5? Show your ans..
At high temperatures, a dynamic equilibrium exists b/w carbon-monoxide, carbon-dioxide, and solid carbon.
What wavelength, of light would be necessary to ionize an electron at the n = 3 state in a He+ cation
Suppose a gaseous mixture of O2 and Kr has a density of 1.104 g/L at 335 torr and 400K. Define what is the mole percent O2 in the mixture
Methylhydrazine, CH6N2, is commonly utilized as a liquid rocket fuel. The heat of combustion of Methylhydrazine is (-1.30E3 kJ/mol). Explain how much heat is released when 205.9 g of Methylhydrazine is burned
Kb for NH3 is 1.8 x 10^-5. What is the pH of a 0.35 M aqueous solution of NH4Cl at 25.0 degrees C? NH4 (aq) NH3(aq) + H+ +Cl-(aq)
a 500 ml bottle of water at room temp. 25ordmc is poured over120 g of ice that is at -8ordmc. what will the final
What is the volume in mL of 0.845 M NaOH(aq) needed to reach the equivalence (stoichiometric) point in the titration
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