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What are the atoms that constitutes the peptide group?
Consider 1.70 mol of carbon monoxide and 3.00 mol of chlorine sealed in a 3.00 L container at 476 oC. The equilibrium constant, Kc, is 2.50 (in M-1) for CO(g) + Cl2(g) = COCl2(g), Calculate the equilibrium molar concentration of CO.
Calculate the pressure of 4 g of nitrogen gas in a 1 L container at 20.0 ?C.
The vapor pressure of pure CCl4 at that temperature is 143 torr and the vapor pressure of the pure unknown is 85 torr. What is the molar mass of the unknown?
A solution is prepared by mixing 500. mL of 0.10 M NaOCl and 500. mL of 0.20 M HOCl. What is the pH of this solution? [Ka(HOCl) = 3.2x10-8]
He decides to run an FTIR on the resultant powder on the cold finger apparatus. WHat functional group would clearly cofiirm that the white powder is indeed caffeine and not catechin?
question calculate the vapor pressure at 25 degrees c of an aqueous solution that is 5.50 nacl by mass. the pure vapor
A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the centre of the sphere is 1.5 × 103 N/C and points radially inward
Design a qualitative analysis scheme
A mass of 48.5 g of a certain substance can be dissolved in 29.1 cm3 of water at 20 Degree Celius. Calculate the solubility of this substance per gram of water at the same temperature.
how many iterations (n) are needed to validate that a constant value had been obtained? Express [H3O+] using two significant figures, followed by a comma and the number iterations as an integer
How do you synthesized 3-bromo-3-methyl-2-butanol from 2-methyl-2-butene from the following regents: PBr3, Br2/H2O, NaBr, NaH, HBr/NaBr, Br2/hv. This a three step process.
What is a specific example that exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
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