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Define why thin layer chromatography (TLC) would be Utilized after an etherification reaction where methylbenzoate is synthesized from benzoic acid and methanol.
write a balanced equation that shows the reaction of iron with oxygen to form iron oxide which may be written fe2o3.
Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 414 units was obtained for the intensity of the 671 nm red emission line. Then 1.00 mL of a 11.9 mM Lithium sta..
Calculate the work (in kJ) when 1.70 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K
Calculate the concentration of sugar in % (w/v) for a 250mL solution that contains 4.32g of sugar
the reaction between lithium metal and chlorine gas is described by the following thermochemical equationlis
The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can get to the zinc). The reaction between the acid and the zinc is
An element forms a body-centered cubic crystalline substance. the edge length of the unit cell is 287pm and the density of the crystal is 97.92 g/mL. calculate the molar mass of the substance.
The specific gravity of our calcium chloride solution is 1.33 when processed. The volume in Tank One is 4,250 gallons of processed calcium chloride at 32% pure CaCl2. Water is 8.34 pounds/gallon.
What would be the pH of a buffer system containing 1.0 M NH3 and 0.10 M NH4Cl. (Kb(NH3) = 1.8 x 10-5)
B0lecic acid yields steric acid 0n catalytic hydrogenation. ozonolysis of bolecic acid yeilds the following products: cH2 HooH-Cooh hooc(ch2)7 Cooh ohc (CH2)4 Cooh. Prepose a structure for boleic acid.
How many moles of oxygen are generated during the thermal decomposition of 7.75 g of lead (IV) oxide
Which of the following is not an intermolecular force? A. London dispersion forces B. hydrogen bonding C. dipole-dipole forces D. ionic bonding
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