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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.
Draw 2 resonance structures for the anion -CH2CHO formed from ethanol. Show all valence electrons as bonds or lone pairs and indicate any formal charges.
If the molecular weight of a molecule is 180, how many grams would be required to make 100 milliliters of a 2 molar solution
In an acid base titration a 25mL portion of a solution containing sulfuric acid (H2SO4) was titrated with a 0.200M NaOH(aq). write the chemical equation for this particular titration
Calculate the number of grams of sulfuric acid in 0.460 of battery acid if the solution has a density of 1.27 and is 37.8 sulfuric acid by mass.
a 200 gram sample of a large biomolecule was dissolved in 15 grams of carbon tetrachloride. the boiling point of this solution was determined to be 77.85 degees celcius. calculate the molar mass of the biomolecule.
Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
when 3.02g NH4Cl solid was dissolved in 20.05 ml water the temperature of the water dropped from 19.8 degrees celcius to 9.1 degrees celcius
A solution is prepared that initially contains 0.10 M Ag+(aq) and 0.80 M NH3 (aq). The Kf for the formation of Ag(NH3)2+(aq) is 1.7 x 10^7. Write the equilibrium equation that represents the formation of this complex ion.
A drink sold in a health food store contains 0.300% (w/v) of vitamin C. What would you have to ingest to obtain 1000 mg of vitamin C.
A compound with molecular formula C5H11N has no ? bonds. Every carbon atom is connected to exactly two hydrogen atoms.
The kinetic energy of the ejected electron is given by 1/2 mv2= h v -?. where m and v are the mass and velocity of the electron
Determine how much heat is evolved or absorbed when 25.0 of lithium iodide completely dissolves in water. Lithium iodide has a lattice energy of -7.3 X 10^2 kJ/mol and a heat of hydration of -793 kJ/mol.
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