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When one mole of hydrogen iodide(HI) is stored in a 1-liter container at 444 oC, 22 % of HI wil be dissociated at equilibirum. Calculate the equilibrium constant of the reversible reaction of hydrogen iodide (HI)at 444 oC.
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
Nuclear reactions is expressed in given reaction as 2/1H +2 /1H→3/2He + ? ; 233/92U+1/0n→133/51Sb+98/41Nb+?1/0n
To a sample of alkaline earth metal carbonate (MCO3; 0.250 g) was added 30.0 mL HCl (0.250 mL). Carbon dioxide gas evolved out from the solution. After the reaction was completed.
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell.
What is the solubility of BaF2 (Ksp = 1.8x10-7) in pure water in grams per liter? The molecular weight of BaF2 is 175.
Compute the molar mass of vitamin C if a solution of 22.7 g in 100. g of water freezes at -2.40 oC. The Kf of water is 1.858 oC kg/mol.
how many grams of carbon dioxide are produced when 23.5 g of propanal react with excess oxygen in a combustion reaction
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
The pKa's of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively.
Small helium-neon lasers emit 1.51 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
Detrmine What mass of lithium (in g) is needed to react completely with 57.9 mL of Nitrogen gas at Standard atmospheric conditions?
Naphthalene is the simplest of the polycyclic aromatic hydrocarbons and can be represented by three resonance structures
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