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Sulfur dioxide is a compound produced when sulfur burns in air. It has a melting point of -72.7 C and a boiling point of -10 C. In what state does sulfur dioxide exist at room temperature (25 C)?
A 1.00 L tank contains 0.350 atm of NH3 (g) at 22.1* C. If the entire contents of the tank are dissolved in 290.0 mL of water, what is the resulting pH of this solution
At 1 atm, how much energy is required to heat 55.0g of H2O(s) at -22.0 ^degree C to H2O(g) at 123.0^degree C? Please answer in kJ & explain in detail
Look up and write the structures of D-galactose and D-mannose. How do they differ from D-glucose
The density of air at ordinary atmospheric pressure and 25degrees celcius is 1.19g/L. What is the mass, in kilograms, of the air in a room that measure 12.5x19.5x9.0ft.
Calculate thechemical potential of ethanol in solution relative to that of pureethanol when its mole fraction is 0.40 at its boiling point(78.3oC)
A 1M soultion of sodium benzoate has a ph of 9.11. what is the value of Ka that would be calculated for benzoic acid based upon this measurement
An electric power station annually burns 3.6 107 kg of coal containing 1.8 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of {\rm KOH} required for precipitation to begin in each case.
Write the possible polymeric structure formed between sebacoyl chloride and butane-1,4-diamine, what is the appropriate name for this polymer?
the pH of a neutral solution is 7.83. What is the value of Kw at that temperature?
If the copper is drawn into wire whose diameter is 7.50 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94
5.97 g of CuNo3 is dissolved in water to make a 0.860 M solution. What is the volume of the solution
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