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The vapor pressure of benzene (C6H6) is 120 torr at 27.0C, and its normal boiling point is 80.1C. What is the molar heat of vaporization of benzene?
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
If the sample reacted completely and produced 1931 mL of H2S hydrogen sulfide at 29.82 °C and 759.7 mm Hg, determine the mass percentage of Cadmium sulfide in the mixture?
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
In an acid/base titration, knowing that it took 13.14 mili litres of 0.1016 M sodium hydroxide, NaOH to reach the first endpoint of the titration,) from this information, mols of Phosphoric acid present in the sample is 1.335 mols.
Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
A 2.914-g sample gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 C in a crucible until a constant mass is reached.
Calculate what will be the amount of heat, q, absorbed by the calorimeter apparatus also express your answer in kJ? (heat capacity = 2.677 x 103 J/K)
Determine how many moles of each product would form and Considering the given equation
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
Calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of HCl results in the production of carbon dioxide then find out the percent of calcium carbonate in the original mixture?
Determine the molar concentration of silver nitrate(AgNO3) in a solution if titration of twenty five mili litres of the solution with 0.300M sodium chloride (NaCl) needs 37.05ml of the sodium chloride solution to reach the end point?
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