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Methyl benzoate - Acid and Base Organic Chemistry
In preparation of methyl benzoate, what is the purpose of 1. washing the organic layer with sodium bicarbonate solution? 2. washing the organic layer with saturated sodium chloride solution? 3. treating the organic layer with calcium chloride pellets?
A solution of NaOH(aq) contains 11.6 grams of NaOH in 129 mL of solution. Calculate the pH at 25C.
A helium-filled balloon has a volume of 2.63 L at 28 ? C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day.
An odorous gas emitted by a hot spring was found to diffuse 2.92 times slower than helium. What is the molar mass of the emitted gas.
What is numerical value of the equilibrium constant for the reverse reaction?
The density of germanium is 5.325 g/cm^3 . If you made a 4 nm quantum dot of germanium, how many atoms would it contain? Assume the dot is spherical.
Describe two different ways by which electrons can move from the valence band to the conduction band.
A 1.000 g sample of a compound containing C, H and O is burned in excess oxygen, producing 1.783 g CO2 and 0.734 g H2O. Determine the empirical formula of the compound.
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
Determine what type of bond is expected for a compound formed between Magnesium and Oxygen Based on these values,?
In the reaction MnO4- + 8H+ + 5e- ⇔ Mn2+ + 4H20, the manganese in 3.95 grams of KMnO4 is reduced to Mn2+. How many coulombs of charge must have been transferred to the permanganate ion.
What is the percentage yield of SO3 if 22.3 g SO3 are obtained from the reaction of 25.0 g SO2 with an excess of O2.
Balanced Equation for Sulfathiazole Synthesis - Regarding the synthesis of sulfathiazole from 2-aminothiazole and p-acetamidobenzenesulfonyl chloride,
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