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AB QUESTIONS FROM THE DUMAS METHOD, PLEASE EXPLAIN WITH DETAIL.
Which variable controls the number of significant digits in your MW determination (temperature, volume, pressure, wt of gas)?
Does using the triple beam balance to weigh the water filling the flask limit the accuracy of your MW determination?
C. Under what conditions does a real gas most closely behave as an ideal gas?
pure benzene c6h6 freezes at 5.533 celsius. if a solution containing 10.86 g of c2h2cl4 in 172.5 g of benzene freezes
Calculate the pH of the solute in an aqueous solution of 0.372 M (CH3)3N(aq) if the Kb is 6.5 Ã- 10âˆ'5.
According to quantum mechanics, all particles of matter exhibit some of the properties normally associated with
At a certain temperature 16.7 mL of .45 M NaOH solution is required to titrate 30.0 ML of a 0.1 M KCL solution saturated with potassium bitartrate. What is the Ksp of KHT at this temperature
Hydrogen peroxide (H2O2) decomposes according to the equation H2O2(l) >> H2O(l) + (1/2)O2(g). Calculate Kp for this reaction at 25°C. (DELTA H° = -98.2 kJ/mol, DELTA S° = 70.1 J/K•mol)
Calculate the exact concentration of your sodium hydroxide using the date from each trial separately. determine the average of the three trial
a titration curve for H3PO4 (triprotic acid) and a mixture of three weak acids?
A sample of 0.250 g of a pure radionuclide with a mass number of 244 was pragmatic to have an absolute activity of 4.45 micro curies. Determine the half-life of this radionuclide.
Determine the volume of 0.375 mol of C4H10 gas under the same temperature and pressure conditions?
Problem- What is the final temperature (in C) of a 45g sample of zinc (s=.388J/gK) which evolves (-10.33)J of heat when it cools from 90.2C
Scientists are working on purifying PFK-1C from rabbit brain tissue. The rabbit brain tissue was homogenized and centrifuged to remove insoluble material.
As a side reaction of benaldehyde with Al in .5M NaOH would ethyl acetate keep it from contaminating the hydrobenzoin product
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