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A crystallization lab was performed using benzoic acid and water as the solvent.
Question 1: Explain why benzoic acid crystalizes at low temperature and dissolves at high temperature. Explain in terms of intermolecular forces and thermodynamics (Δ G = Δ H - T Δ S).
Question 2: What is activating charcoal (composition/structure), how does it work and what type of impurities does it remove?
draw the molecule 1-(4-methoxyphenyl)-2-methylpropan-1-ol. number the carbons on the molecule and identify all the functional groups characterized by the molecules name.
how many grams of ammonium nirtate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kPa
Determine the Kelvin temperature required for 0.0470mol of gas to fill a balloon to 1.20L under 0.988atm pressure.
Question- Calculate the pH at the equivalence point for the titration of 0.180 M methylamine (CH3NH2) with 0.180 M HCl. The Kb of methylamine is 5.0× 10-4.
Draw the major monoalkylation product(s) you would expect to obtain from reaction of benzoic acid with chloromethane and AlCl3. If there is more than one product draw all in the same window.
The density of titanium is 4.51 g/cm^3. What is the volume (in cubic inches) of 4.0lb of titanium. Express your answer using two significant figures.
The following sentences need to be overhauled before being included in a letter. Identify lhe weakness in each statement, and revise as needed.
Explain what mass (g) of acetylsalicylic acid is present in the sample. Compute the percent purity of the aspirin sample.
what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)
a. construct the balanced equation for the combustion of dodecane c12h26 with 20 excess air but where only 90 of the
What salt would result is sulfuric acid was neutralized with lithium hydroxide. Write balanced equation for this reaction.
Question- 1) Write a chemical equation for the reaction of this acid with water Identify the Bronsted acids and bases in the reaction. 2) Determine the Ka of this acid
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