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A compound X (C9H12) yields compound Y (C9H12) when treated with H+. Compound Y is unusually stable. What is the structure of Y and how is it formed?
Find the mass of AlCl3 that is produced when 25.Og of Al2O3 react with HCl according to following equation Al2O3+6HCl-
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
A flask contains 0.500 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
A turn-of-the-century chemist isolated an aromatic compound of molecular formula C6H4Br2. He carefully nitrated this compound and purified three isomers of formula C6H3Br2NO2, one of which was obtained in very small amounts. Propose a structure fo..
In a gas mixture the partial pressures are nitrogen 425 torr, oxigen 115 torr, and hellium 225 torr. What is the total pressure (atm) exerted by the gas mixture?
A. A student places 2.10 L of water in his dormitory room, which has the volume of 4.06 x10^4 L. He seals the room and waits for the water to evaporate. At 25 deg C, the density of water is 0.997 g/mL
What is the molecular formula of a compound given the molar mass of the compound is 205.4 g/mol and the empirical formula is C3H5.
What will be the equilibrium concentration of HI and Cl2 in the container? The answer is: [HI] = 1.47x10^-12 M [Cl2] = 7.37x10^-13 M
A first-order reaction has a rate constant of 0.33 y-1. How many years does it take for the concentration of the reactant to decrease from 0.13 M to 0.088 M?
A 643 mL gas sample at STP is compressed to a volume of 187 mL, and the temperature is increased to 33?C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Given that we start with 0.036M NO(g) and 0.036M O2(g) AND end with 0.014M NO2, what is the equilibrium constant for this reaction and what are the equilibrium concentrations for NO and O2?
18.6 grams of a solute with moecular mass of 8940 grams are dissolved in enough water to make 1.00 dm^3 of solution at 25 ^0C. What is the osmotic pressure of the solution?
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