Indicate how much of the distribution
For each of the following confidence intervals, indicate how much of the distribution would be placed in the cutoff region for a two tailed test.
a. 80%
b. 85%
c. 99%
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Determine the solubility of p-dibromo benzene in benzene at 20 and 40 degrees C assuming that ideal solutions are produced. The enthalpy f fusion of p-dibromo benzene is 13.22kJ/mol at its melting point (86.9 degree C).
If sodium iodide is added to the reaction mixture, the rate of methanol formation is dramatically increased (i.e. sodium iodide is a catalyst). Reaction of bromo methane with sodium hydroxide in water forms methanol.
Pure water is pumped into tank with rate of 2 gal/min, and when solution is well stirred, it is pumped out. Write the differential equation for amount of salt A(t) in tank at t > 0.
Calculate the ph for this reaction when half the amount of titration requires red to reach the equivalent point has been added.
Explain what volume of is required to neutralize the NaOH solution? Calculate the ph of the acid/base solution when the following volumes of HNO3 have been added.
Calculate the pH and concentrations of K+, H+, OH-, H2PO4-, PO43- , HPO42- from a1.00L solution which is having .0250 mol KH2PO4 and 0.030 mol KOH.
One is filled with Hydrogen gas, the other with Oxygen, each at the same pressure. Both containers are heated above 100 degrees C until the pressure in each is 1.60 atm.
Calculate how many significant figures should be used to express the mass of anyone using the scale whose mass is between 10 and 99kg. A bathroom-type scale is calibrated in the tenths of a kilogram from 1 to 200kg.
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