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The vapor pressure of liquid mercury is 0.2729 torr at 100.0 oC and 246.80 torr at 300.0 oC. a.) calculate delta H of vaporization of mercury b.) calculate the normal boiling point of mercury c.) if a mercury thermometer is broken at room temperature, calculate the equilibrium concentration of Hg vapor in ppm in the vicinity of the Hg spill. Compare this value to the OHSA standard for Hg vapor exposure, which is 0.01 ppm I am pretty confident I figured out parts a and b, but I would like someone to answer these to verify and I have no clue how to proceed with part c, so help would be greatly appreciated
silver chlorideagcl often used in silver plating contains 75.27 of silver. compute the mass of agcl essential to plate
Calculate the [H+], pH, and pOH in each of the following solutions in which the hydroxide ion concentrations are A) 0.0068M B) 6.4 X 10^-5M C) 1.6 X 10^-8M D) 8.2 X 10^-12M
A smple of mixture of NaCl, Caco3 and SiO2 weighed 7.30 grams. During the water wash the sample lost 2.21 grams. After treatment with HCL, the sample weighed 2.05 grams.
What is the pH of a solution prepared by adding 66.0 ml of 0.100 M HCl to 43.0 ml of 0.200 M NaOH
the forensic technician at a crime scene has just prepared a luminol stock solution by adding 11.0 of luminol to creating a solution with a total volume of 75.0 . What is the molarity of the stock solution of luminol?
Consider a substance where the intermolecular forces hold the molecules in fixed rigid positions. What is the process called when enough heat has been added to the substance so that the molecules begin to flow
My balanced equation is: 3HBr(aq) + Al(OH)3 (s) ----> AlBr3 (aq) + 3H2O(l) My question is: What are the spectator ions
Which of the following compounds exhibits the pattern of m/z values shown below? 41, 43, 57, 87, 101, 116 a. propylbromide b. sec-butyl isopropyl ether c. isopropyl bromide d. 2-hexanol e. 2-butanone
what is the minimum velocity that the fluid should travel at in order to remain in the most efficient flow regime for heat tranfer if the fluid is i)water ii)paraffin oil iii) helium (1 atm) in each case Tinfinity= 75 deg
A metal-plating waste contains 20mg/L Cu2+, and it is desired to add Ca(OH)2 to precipitate all but 0.5mg/L of the copper. To what concentration in moles per liter must the hydroxide concentration be raised to accomplish this? Ans: 1.6*10^-7 mol/L
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life of 4.5 billion years
50mL of .250M sodium benzoate, NaC7H5O2, is being titrated by .200M HBr. Calculate the pH of the solution
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