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explain why the boiling point of Br2 (59 degrees C) is lower than that of iodine monochloride, ICl (97 degrees C), even thought they have nearly the same molar mass A: Br2 is larger the ICl B: ICl is ionic C: the molar mass dependence of a liquid's boiling point is not an absolute rule, and it should not be applied to all compounds D: it is impossible to say without further informations E: the molar mass is not identical, the molar mass of Br2 is only 159.80 g/mol compared to 162.35 g/mol for ICl F: ICl is polar while Br2 is nonpolar
What is the osmotic pressure of human blood at 37°C if human blood is isotonic to 0.16 M NaCl solution? Remember that NaCl almost completely ionizes in water.
Calculate the molar volume of Ar at 500K and 60 atm according to (i) the ideal gas equation; (ii) the van der Waals equation, given a = 3.640 L2 atm mol-2 and b= 0.004267 L mol-1
Why is it that benzyl ethyl ether is named as an ether, but 3-chloro-1-ethoxybenzene has the same ether group, yet the group is named as an ethoxy instead?
How many equivalent resonance forms can be drawn for SO2 without expanding the octet on the sulfur atom? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4 17. In which of these species does the first atom in the chemical formula violate the octet rule? 18. How many e..
If 0.140mol of a nonvolatile nonelectrolyte are dissolved in 3.30mol of water, what is the vapor pressure PH2O of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25 °C
35 mL air sample collected at 31 C has a pressure of 575 torr. What pressure will the air exert if it is allowed to expand to 476 mL at 56 ? C? Answer in units of torr.
The recommended adult dose of Elixophyllin, is 6.0 mg/kg of body mass. calculate the dose in milligrams for a 120 lb person.
A solution of 0.18 mol of the chloride salt of protonated atropine (AH^+), a weak organic base, in 1.0 L of solution has pH = 5.20.
How much heat is absorbed when 28.3g H2O(s) at 0 degrees celcuis is converted to liquid at 0 degrees celcius
2,3-dimethyl-2,3-butanediol upon heating in aqueous acid, rearranges to form 3,3-dimethyl-2-butanone. Suggest a mechanism for this
Assuming ideal-solution behaviour, what is the vapor pressure of the solution at 63.5°C? (c) What is the mole fraction of ethanol in the vapor above the solution?
According to the following reaction, how many moles of mercury(II) oxide are necessary to form 0.896 moles oxygen gas
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