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Calculate the consentration of CN- and the PH for a solution that is made by mixing 50mL of 0.1M HCIO4 with 4.2mL of 0.438M NaCN. Assume HCIO4 to be a strong acid, NaCN to be a strong electrolyte ( dissociates completely ) and the pKa for HCN to be 9.21?
Outline the mechanism of the reaction of acetyl chloride with NaN3 to give acetyl azide. This reaction is known as Nucleophilic Acyl Substitution.
Al is added to Si to give an extrinsic semiconductor with a conductivity of 2 ( cm)^-1 How many Al atoms are added per cm^3? How many Si atoms are there for each AI atom
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 23 degrees celsius. Reaction A: delta H = 10.5 kj/mol
Which reagent is capable under standard conditions, of converting Co2+ (aq) into Co(s) but does not convert Fe2+ (aq) into Fe(s). Which of the following is the best reducing agent under standard conditions
Why does the pink color of phenolphthalein fade away and is soda pop acidic. Why
Determine the empirical formula of a compound that is 36.86% N and 63.14% O by the mass
How many grams of KHP are needed to neutralize 54.63 mL of a 0.1051 M NaOH solution?
If the initial temperature of an ideal gas at 2.250 atm is 62.00 °C, what final temperature would cause the pressure to be reduced to 1.750 atm
If 145.0 mL of 0.350 M lithium hydroxide is required to titrate 35.0 mL of an unknown monoprotic acid, what is the molar concentration of the unknown acid.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water,
what is the mass, in kilograms, of Avogadro's number of olympic shot put balls if each one has a mass of 16lb? How does this compare with the mass of Earth, 5.98x10^25 kg.
A sample of hydrogen is collected in a eudiometer at a temp of 23C. If the atm is 735 torr, what is the pressure of the carbon dioxide
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