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In the synthesis of 1 bromopentane, some 2 bromopentane may be found. Does that indicate the original alcohol is in that mixture? What is the source of 2-bromopentane?
The hydrogen carbonate ion can act as both an acid and a base. Write out two equations which demonstrate this and calculate (or look up) the equilibrium constants for both expressions
Give the shape of each molecule in problem and describe whether each molecule is polar or non polar and tell whether each is soluble or insoluble in water
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution contatining 0.070 lysine HL 0.055 mol aspartic acid H2A and 0.0080 mol NaOH.
What is the pressure in millimeters of mercury of 0.0115 mol of helium gas with a volume of 219 mL at a temperature of 55 circ C?
The concentration of HCl in a bottle was determined as follows: •3.00 mL of the acid were diluted to 250.00 mL •102.40 mL of the diluted acid were titrated with 0.08212-M NaOH
Calculate the mass of nitrogen dissolved at room temperature in an 80.0 {rm L} home aquarium. Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
Barium metal crystallizes in a body centered cubic lattice. the unit cell edge length is 502 pm and the density of the metal is 3.50g/cm3. using the information, calculate the avogadros number. assume 68% of the unit cell is occupied.
A corrosionist pipetted a 50.00 ml sample of an unknown brine and titrated it with 37.64 ml of 0.1024 M silver nitrate solution. Calculate the ppm of salt (NaCl)in the sample.
What is the best air/fuel ratio for an automobile engine? b) If the mixture is made leaner, What happens to the hydrocarbon emissions?
Why does the absolute refractory period occur and What is happening in the cell.
A mixture of gas contains 46.3 % methane, 37.2% ethane and 16.5% propane(by mass). A 477g sample of the gass is burned with exces oxygen
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals
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