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A female needs to take ibuprofen of 375mg twice daily. (The pills in the bottle are each 250 mg. Determine how many pills does the female require to take each time she wants the dosage of 375miliigrams?
,considering the given equation 4FeS2+11o2-2Fe2o3+8So4 and determinehow many moles of Oxygen are needed to react with 4.50 moles of FeS2
If Trichlorofluoromethane, also called freon-11, CFC-11 is enclosed in a 1.1 -Litrescontainer, will any liquid be present? determine the mass of the liquid? Given that the vapor pressure of CCl3F is =856 torr at 300 K?
Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost
A body consists of a right circular cone whose base is 12 in. and whose altitude is 16 in. A hole 8 in. in diameter and 4 in. deep has been drilled from the base. The axis of the hole coincides with the axis of the cone. Locate the centroid of the..
What is the final temperature of the sand A 1.00 kg gold bar at 1010 K is dropped into 0.750 kg of sand at twenty five degree Celsius?
Compute mole fraction of caffeine(C 8 H 10 N 4 O 2 ), the molarity of the solution
Calculate the specific heat capacity of this sample of mercury if The amount of energy required to heat 2.00 grams Hg from 50 degrees C to 85 degrees C is 9.87 J.
Calculate how many moles of nitrogen will be required to make 10.0 moles of NH 3 and calculate what is energy of each pulse If each pulse contains no of photons =1.20 x 10 18
Explain why the boiling point of an aqueous solution that is 1.0 m in glucose (C6H12O6) is 100.51oC whereas The boiling point of an aqueous solution that is 1.0 m in NaCl is 101.02 oC .
How many gms of H2O must be combined to 519.5 gms of methanol at 20°C to have an osmotic pressure of 408 mm of Hg? Methanol density = 0.8921 g/mL.
Designing and preparing aqueous buffer solution with the pH indicated.
Compute the difference in the ionization energies for the 1H 2H atoms(The ionization energy is the energy of the transition from the n=1 to the n=infinity energy levels for the hydrogen atom. )?
The design calls for reheating the liquid after the temperature has dropped to seventy degree Celsius the determine about how many stags and how many heaters are required for this process?
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
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