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A student failed to carry out all of the procedural steps when doing this experiment. Would the following procedural variations result in an experimentally determined molarity of NaOH that is too high or low? Briefly Explain.
a. The student did not clean the buret before beginning the titration. After completing the titration, the student noticed that droplets of the titrant were clinging to the inside surface of the barrel.
b. The buret tip was not completely filled with NaOH solution when the titration was begun.
c. The student forgot to add phenolphthalein indicator solution to the KHP solution before doing the titration.
Draw the major E2 reaction product formed when (1R,2S,4S)-2-chloro-4-methyl-1- (propan-2-yl)cyclohexane (shown below) reacts with hydroxide ion in DMSO.
When 0.455g of Thyroxine is dissolved in 10.0g of benzene, the freezing point of the solution is depressed by 0.3000C. What is the molar mass of Thyroxine?
what is the ph at the half stoichiometric point if you are doing a titration with 20.0 ml of 0.200 m trimethylamine and
Choose the answer in which the oxides are arranged in order of increasing acidity (least acidic compound listed first).
What is the theoretical amount of oxygen required for the fuel mixture? What amount of air is added to the fuel mixture?
A 1M soultion of sodium benzoate has a ph of 9.11. what is the value of Ka that would be calculated for benzoic acid based upon this measurement
Given N2 (g) + 3 H2 (g) ? 2 NH3 (g), which scenario will allow you to eventually reach an equilibrium mixture involving these chemicals. Place only H2 into a sealed vessel.
The mass of calcium fluoride that results from the reaction of 3.00 grams of calcium and 2.00 grams of fluorine is 4.02 grams. What is the percent yield?
Hydrogen fluoride is a highly reactive gas. It has many industrial uses, but the most familiar property of HF is its ability to react with glass. As a result, HF is used to etch glass and frost the inner surfaces of light bulbs.
The standard voltage of the cell Ag(s) | AgBr(s) | Br (aq) || Ag +(aq) | Ag(s) is +0.73 V at 25 ?C. Calculate the Ksp for AgBr.
Calculate the amount of energy in the form of heat that is produced when a volume of 3.75 L of SO2(g) is converted to 3.75 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0 °C. Assume ideal gas beha..
What is the energy released when 0.711 g are converted to energy? Express your answer in joules. For self-consistent units you must use kg because 1 J = 1 kg m2/s2.
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