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Explain there is how many grams of calcium phosphate will precipitate if excess calcium chloride is added to a solution containing 15.2 grams of sodium phosphate?
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 765 mmHg and a temperature of 35*C.
Calculate the ratio of ionized to unionized drug forms that would exist in the plasma at physiological pH (7.4). What is the percent ionized to unionized
a sample of 0.600 moles of metal M reacts completely with excess of flourine to form 46.8g of MF2. How many moles of F are present in sample of MF2 that forms?
A gas sample was collected over water at 25.3 0C. The total pressure is determined to be 0.97 atm. What is the partial pressure of the gas that was collected?
Explain how microorganisms can be used to produce electricity (bacterial fuel cells). Explain why you feel pain when you bite down
explain what the Grxn for this reaction is if the resistance is 0.08750 ohms. The Faraday constant is 96485.3C/mol of electrons; V =I x R the reduction reaction of O2 is O2 + 4H+ + 4e- equilibrium 2H2O
A 4.0L sample of air collected at 298 K and then cooled to 278F while held at constant pressure. What is the new volume of the air
in terms of kinetic molecular theory explain why pumping air into a collapsed soccer ball causes the ball to increase
The Substrate, 1-chlorobutane, was not totally consumed in the reaction. As a result, a GC peak for that species appears in the chromatogram.
For a 15.0% (by mass) NaCl solution, find A) The mass of NaCl in 150g of the solution b) the amount of solution needed to obtain 35.0g NaCl c) mass of NaCl needed to make 1000g of the solution.
discuss briefly the similarites and differences between all known kinds of intermolecular forces. use mathematical
A Student dispenses 24.95 mL of a hydrochloric acid solution with an unknown concentration into an Erlenmeyer flask. The student then titrates the HCl solution with 0.168 M sodium hydroxide. If 24.33 mL of NaOH is required to reach the equivalence..
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