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Method: Test the solubility of benzyl alcohol (also repeat separately with your unknown) and of phenol in 1 M (or 2 M) sodium hydroxide (use 2 or 3 drops, or a few crystals of the respective compounds and about 1 mL of alkali). Could this test be used to distinguish a phenol from an alcohol? Report: Explain with the aid of an equation.
calculate the number of moles of cl atoms in 0.388 gc2h4cl2. portland cement contains some sio2. calculate the
A 500ml portion of a solution at pH=13 will just barely dissolve 3.2x10-4 moles of calcium hydroxide. What is the Ksp of calcium hydroxide
A 25 year old female presented to her GP with pain, redness and purulent swelling at a site on her lower abdomen. Two weeks prior to presentation
buffer solution that has [H2PO4-] =[HPO42-] = 0.132M What is the pH of the solution before adding the NaOH? After adding the NaOH?
What length of mirror drive in a Michelson interferometer is required to produce a resolution sufficient to separate a) infrared peaks at 500.6 and 500.4 cm-1
If a solution containing 30.06 g of mercury(II) acetate is allowed to react completely with a solution containing 8.564 g of sodium sulfate, how many grams of solid precipitate will be formed?
At constant pressure, a sample of gas occupies 420 mL at 210 K. What volume does the gas occupy at 250 K?
What is the molar concentration of silver ion in a solution containing 1.3 x 10-4 M CrO42-, saturated with Ag2CrO4
find ratio of the atomic mass of silicon to hydrogen if every 100g of sih4 contains 87.45g of si and 12.55g of h.some
kcl has the same structure as nacl face-centered. the length of the unit cell is 628 pm. the density of kcl is 1.984
Write the balanced net-ionic chemical equations for the reactions that you observed with AgNO3 and Al(NO3)3. Include phase labels.
What spectral features (including carbon spectra, proton spectra, IR spectra and mass spectra) allow you to differeintiate the product (acetanilide) from the starting material (aniline)
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