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Mercury boils at Po and 630 K, with DHv = 64.9 kJ mol-1, Cp (Hg,l) = 28.0 J K-1 mol-1 , and Cp(Hg,g) = 20.8 J K-1 mol-1. Compute the difference in molar entropies
Sm(Hg,l,300 K) - Sm(Hg,g,700 K).
A physiological saline solution contains 164 mEq/L each of Na+ and Cl-.How many moles each of Na+ and Cl- are in 0.500 L of the saline solution.
A 0.140-mole quantity of M(NO3)2 is added to a liter of 1.030 M NaCN solution. What is the concentration of M2 ions at equilibrium?
A process involves the performance of electrical work in the amount w' on a system. Show that if the process is carried out at constant volume, the heat absorbed is delta U-w'.
Cyclohexanol produces cyclohexene when heated to 70C in the presence of a sulfuric acid catalyst. Write the equation of the reaction.
A solution of Ba(OH)2 is standardized with potassium acid phthalate (abbreviated KHP), KHC8H8O4 (M = 204). If 1.530 g of KHP is titrated with 34.50 mL of the Ba(OH)2 solution, what is the molarity of Ba(OH)2. (A) 0.0217 M (B) 0.0435 M (C) 0.109 M ..
Calculate the concentrations of H3O+ and the pH of each acidic solution. Since HCl is a monoprotic acid (an acid that donates only one proton or hydrogen atom permolecule to an aqueous solution), the H3O+ concentration is equivalent to the HCl mol..
If the solution contains a metal cation such as \rm Ag^+, the flow of electrons will reduce the silver ion, causing solid silver to plate onto the electrode.
When an experiment to determine the molar mass of a volatile liquid is performed, it is found that a 342 mL flask at 22.0C and 1.00 atm is filled by .423 g of vapor. which of the following volaite liquids is it?
Garlic smell is easily noticable due to the compound that is responsible for this is Allicin , when we analysed this compaound and find out molecular formula of molar mass= 486 grams
What is the overall reaction rate order of the reaction in (2)? What is the difference between the (1) and (4)?
a trapeze artist swings from a rope 4.15 m long in a simple harmonic motion with a period of 4.1 s calculate the value
A solution is prepared by adding 0.900 g of solid \rm NaCl to 50.0 mL of 0.100 M \rm {CaCl_2}. What is the molarity of chloride ion in the final solution. Assume that the volume of the final solution is 50.0 mL.
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