Water 1H2O2 is more polar than hydrogen sulfide 1H2S2. Explain.
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Water 1H2O2 is more polar than hydrogen sulfide 1H2S2. Explain.
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- The liquids butan-1-ol and butanal have similar molar masses. Which is expected to have the higher boiling point? Explain your choices.Propanamide and methyl acetate have about the same molar mass, both are quite soluble in water, and yet the boiling point of propanamide is 486 K, whereas that of methyl acetate is 330 K. Explain.Why is the net charge 0 for cooh? Shouldn't it be +1?
- A 0.10 M solution of the deadly poison hydrogen cyanide, HCN, has a pH of 5.2. Calculate the [H3O+] of the solution. Is HCN a strong or a weak acid?An acid with a p K a of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the protonated to the deprotonated form of the acid?A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene. Calculate the molarity of the solution.
- What is the pH of a solution of 4.1 x 10-8 M NaOH in otherwise pure water?Consider the following acids and their ionization constant, determine which conjugate base is HCOOH Ka = 1.7 x 10-4 (b) HCN Ka = 4.9 x 10-10Ammonia, NH3, and phosphorus trihydride, PH3, both have trigonal pyramid geometry. Which one is more polar? Explain.