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a) List the following substances in order of increasing normal boiling points, explaining your reasoning: NO, NH3, Ne, and RbCl.
b) Explain why water has a higher boiling point than either HF or NH3. (Hint: Try drawing six molecules of each with as many hydrogen bonds as possible!)
A solution of sulfuric acid is prepared by mixing 66.7 mL of 18.0 M sulfuric acid with 233.3 mL of 1.50 M sulfuric acid, and diluting with water to the total volume of 500 mL. What is the molarity of the final solution
The initial solution. the point at which 80 mL of the base has been added
What is the molar mass of the unknown acid? B) As the acid is titrated, the pH of the solution after the addition of 15.00mL of the base is 9.46. What is the Ka for the acid?
Methane and hydrogen sulfide form when hydrogen reacts with carbon disulfide. Identify the excess reagant and calucate how much remains after 36 L of H2 reacts with 12 L of CS2.
You take 3.1789 g of a substance and place it into 100.0 g of benzene. The boiling point of this solution is found to be 80.5464 C. What is the approximate molar mass of the substance? Bp of CCl4 is 80.1 C and the Kb is 2.53 C/m
Now you find yourself on an airplane headed for Israel to visit the Dead Sea, which is below sea level. You have always wanted to visit there and now is your chance. What has happened to the atmospheric pressure?
Determine which elements are being oxidized and which elements are being reduced in each reaction
535 g piece of copper tubing is heated to 91.5degc and placed in an insulated vessel containing 58.5 g of water at
This sample is first heated to 100.0 degrees C, then added to a coffee cup calorimeter containing 35.0 g of water at 20.8 degrees C. The highest temperature observed is 31.0 degrees Celcius. a) Calculate the specific Heat of the lead
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted
Will solutions of the following salts be acidic, basic, or neutral? a)K2SO4 b)KNO2 c)CaF2 d)NH4Cl
Look at the structures of each and rationalize the difference in Mp. Which intermolcular force dominated in this case? (2pts) a.)H-bonding b.)Dispersion c.)Dipole
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