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A.) An MH ion seen in a mass spectrum with composition C10H8N3S+ B.) A fragment seen in a mass spectrum with composition C3H60+ C.) C10SiH15Br2FNPO3
Determine how many liters 8.93 g of carbon dioxide gas would occupy at 150°C and 1.00 atm
Determine the element of lowest atomic number that contains a complete d subshell in the ground state. element symbol
A solution of iodine was standardized with ascorbic acid. A 0.1150 g sample of ascorbic acid required 28.37 mL of I2 to reach a starch end point. Calculate the molarity of the iodine solution.
Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrogens.
Tell the number of hydrogens bonded to each carbon atom in (a) the anti-influenza agent oseltamivir, marketed as tamiflu, and (b) the platelet aggregation inhibitor clopidogrel, marketed as plavix. give the molecular formula of each.
Do bonds break during the evaporation of the molecular substances hexane and 1-pentanol
Calculate the concentration of phosphoric acid if 25.00 ml reqires 76.00 ml of .560 mol/l to titrate it to the endpoint.
1-bromobutane was added to a solution of sodium iodide in acetone. One of the possible side products of this reaction is dibutyl ether. Provide the mechanism of thus molecule.
protonated means that the drug is in its acid form (HA) and dissociated means that the drug is in its dissociated form (A-). the pH of the stomach is about 1 or 2. the pH of the blood is about 7.4. given that a drug has a pKa of 4.2.
Equal volumes of an unknown gas and nitrogen (N2) gas take 5.37 min and 3.55 minutes, respectvely to effuse through a small pin hole. calculate the molar mass in g/mol of the unknown gas
When much of the ATP is depleted in a cell, a considerable amount of cAMP is formed asa product of ATP degradation. This cAMP activates an enzyme phosphorylase that splitsglycogen
Write reactions and equilibrium relationships for the first four complexes formed between cadium(II) and chloride
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