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What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively?
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
Explain Why a glacial Acetic acid in a conductance set-up does forms gradually brighter lights that is dim to bright because it is frequently diluted with water?
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?
Determine the boiling point of an aqueous solution that is 2.30 m ethylene glycol (C2H6O2); Kb for water is 0.52 degrees celsius/m.
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
A 6.50 x 10^-5 M solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm.
Provide the newman projections across the C 2 -C 3 bonds for the major conformers after Drawing the zig-zag structures of all the isomers of 2,3-diaminopentane.
The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.
Write the structures of the saytzeff elimination
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
A small cube of aluminum measures 15.6 mm on a side and weighs 10250 mg. what is the volume of this cube in cubic cm? how would I find this out.
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