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Obtain the melting point an boiling point for benzene and ammonia from a handbook technique and answer the following questions.
A) A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
B) What bath should be used for a reaction that is conducted in liquid ammonia as the solvent?
what is the molarity of a solution prepared by adding 132 grams potassium chloride to enough water
Given a solution of .1 M HEPES in its fully protonated form, and ready access to .1M HCl, .1M NaOH, and distilled water. Describe the preparation of 1L of .025 M HEPES buffer solution, pH 7.8?
if you burn 33.7g of hydrogen and produce 301 g of water, how much oxygen reacted?
Repeat for 0.1 M Zn^2+ in 3 M OH- 3. What is the appropriate % if complexed iron in a 0.1 M Fe3+ solution containing 1 M KSCN?
When methanol, CH3OH, is dissolved in water, a nonconducting solution results. When acetic acid, CH3COOH, dissolves in water, the solution is weakly conductiong and acidic in nature. Describe what happens upon solution dissolution in the two cases..
when it dissolves in water (3 moles of ions/mole of salt). Calculate the freezing point of a solution containing 18.8g of Na2SO4 in 465g of water. The Kf for water is 1.86C kg mol-1.
What it the chemical reaction between silver ion and excess ammonia.
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol. 2. Write the reaction of the sodium salt of para red when treated with 1 M H2SO4. Why does a precipitate form?
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
the freezing point of the resulting solution is 3.77*C. The freezing point of pure benzine is 5.48*C. Calculate the molar mass of the compound.
Predict the products for the following set of reactants- PCl3(l) + H2O(l) ? (You are just asked to determine the products and not necessarily balance the equation)
given that, for H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14.
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