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Elemental sulphur occurs in the solid state as 8-membered rings arranged in rhombohedral crystal structure (S8) which melts at 388 K. It is not apparent however, that sulphur in the gas phase is present as S8 molecules. In an evacuated and closed vessel, S8 was heated until the pressure reached 46.06 Torr at a temperature of 347.0 °C. The density of the gas phase at that point was found to be 0.1528 g L-1. Assuming the gas phase is ideal and composed only of a sulfur species (Sn), calculate a value for n?
Determine pH of the solution....ICE table..Henderson HasselBach equations, Using a ICE table (initial change equilibrium) a)Calculate the pH of solution that is 0.175M in acidic acid(HC2H3O2) ans 0.110Min potassium Acetate(KC2H302)
Calculate the molar concentration of a solution prepared by dissolving 2.34 g of sodium sulfate (MW = 142) in enough waterto make 250 ml of solution.
The Ka of a monoprotic weak acid is 2.99 × 10-3. What is the percent ionization of a 0.108 M solution of this acid
The eardrum can rupture with as little as 35 kPa of pressure difference across it. What is the depth at which this pressure difference could occur
Is the central carbon atom sp2- or sp-hybridization? What about the hybridization of the terminal carbons? What shape do you predict for allene?
In molecular terms, what is the difference between 3% hydrogen peroxide and 30% hydrogen peroxide. A detailed answer is greatly appreciated
Hydrogen sulfide () is a common and troublesome pollutant in industrial wastewaters. One way to remove is to treat the water with chlorine, in which case the following reaction occurs:
Calculate the change in chemical potential of an ideal gas when its pressure is decreased isothermally at 30 degree
What is molarity of NaOH solution if 26.0ml of 0.380 M H2So4 solution is required to neutralize a 25.0ml sample of the NaOH solution
An aerosol can has a gas pressure of 144 kPa at 293 K. Calculate the pressure when the can is heated to 425 K.
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
A solution containing 10.0 mmol CaCl2 is diluted to 1 L. Calculate the number of grams of CaCl2 . 2H2O per milliliter of the final solution.
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