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Using a solution of KMnO4 has a percent transmittance of 27.3 percent when observed in a 1.15-cm cell at a wavelength of 525 nm. Compute the absorbance of this solution.
Determine its molecular formula if the molar mass of the compound = 199.55 grams per mole?
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
Determine the volume of CO 2 at a temperature twenty two degree Celsius and a pressure of 781 mmHg could be absorbed by 327 grams of Lithium hydroxide LiOH?
Determine the V of a voltaic cell (E°cell) if it is required to do 5.43 × 10¯3 Kilo Joule of work when a charge of 2.50 C is transmitted.
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
Understanding of chemistry basics - which of the following is not changed by the activity of an enzyme during a chemical reaction?
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
Determine the pressure in Standard atmospheres,Torr and mm Hg units when A gauge on compressed gas cylinder reads 1500 psi ( pounds per square inch; 1 atm =14.7 psi).
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.
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