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4.00 mol chlotine and 2.00 mol bromine were placed in a 50.0 L container and kept at 293 K until equilibrium was achieved for the reaction, Br2 (l) + Cl2(g) <--> 2BrCl (g).
At the point of equilibrium there were 82.63 g of Br2(l). Determine the total pressure in the 50.0 L container at equilibrium.
calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.
calculate the number of excess reagent units remaining when 84 C2H4 molecules and 270 O2 molecules react?
Compute the change in temperature for 4.50 grams of Calcium chloride CaCl 2 dissolved in 90.0 mL of water H 2 O. (Assume that the calorimeter absorbs no heat )
We add excess Na2CrO4 solution to 16.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.380 grams.
A sample of gas occupies a volume of 50.4 mL. As it expands, it does 125.5 J of work on its surroundings at a constant pressure
Calculate the change in enthalpy, Delta H. Report your answer in Joules.
When a ketone is treated with LiAlH4 followed by addition of water, what general class of product results?
Draw a Lewis structure of BF that satisfies the octet rule for both atoms
How much heat is required to convert 32 g of ethanol at 27 degrees C to the vapor phase at 78 degrees C?
The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face-centered cubic lattice. Find the atomic weight of this metal.?
what is the pH of a solution prepared by mixing 25 mL of 0.10 M methylamine with 25 mL of 0.10 M methylammonium chloride?assume that the volume of the solutions are additive and that Kb = 3.7 x 10^-4 for methylamine
Calculating new pH, a). How many mL of each of 0.10M lactic acid solution and 0.10M NaOH solution are needed to make 800mL of a buffer of pH 3.50?
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