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While a 5.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 2.403 kJ•K-1, the temperature decreases by 0.480 K. Compute the molar heat of solution of KCl.
Upon isolation of the product it appears to be optically inactive. Explain what must have happened mechanistically. If your goal is to synthesize (S)-2-iodobutane, how might you modify the experiment to ensure that you do so in your next attempt
Explain Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 10.0 L reaction flask contains ammonia at 0.444 atm and 22°C, and 146 mL of hydrogen chloride gas at 7.50 atm and 271 K is introduced.
Calculate the mass percent of a solution that is prepared by adding 35.9 gram of NaOH to 30.2 g of H2O.
To what volume must a solution of 84.1 g H2SO4 in 534.7 mL of solution be diluted to give a 0.41 M solution
The solid and toluene together weigh 51.05 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid
Given a pure preparation of these algae, and the required supplies and equipment, devise and outline an empirical procedure for purifying Enzyme X.
When heated, the DNA double helix separates into two random-coil single strands. When cooled, the random coils form the double helix
Indium has only two naturally occurring isotopes. The mass of indium-113 is 112.9041 and the mass of indium-115 is 114.9039 .
If a buffer solution is 0.270 M in a weak base (Kb=7.5 x 10^-5) and 0.410 M in its conjugate acid, what is the pH?
How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?
To what volume should you dilute 44.0 mL of a 4.60 M KI solution so that 28.5 mL of the diluted solution contains 3.65 g of KI
The Ka of acetic acid is 1.8 x 10^-5. Calculate the pH of a solution that is composed of 1.0 M CH3CO2H and 0.50 M NaCH3CO2. Can someone please help
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