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What is the freezing point of a solution prepared from 50.0 g ethylene glycol (C2H6O2) and 85.0 g H2O? Kf of water is 1.86°C/m.
a)17.6°Cb)-176°Cc)-1.50°Cd)1.50°Ce)-17.6°C
Why do ionic substances with higher lattice energies tend to be less soluable in water than those with lower lattice energies, and what factors cause a cation to be strongly hydrated
Basic copper carbonate contains 57.48% copper and 5.43% carbon by mass. What mass of copper in g is contained in 7.061 kg of basic copper carbonate
Given the following data table, use the method of initial rates to determinet the rate law for the following reaction: A + B = C + D + E run: ro(M/s): [A]o: [B]o: [C]o: [D]o: [E]o:
Solid NaI is slowly added to the solution that is 0.010 M in Cu and 0.010 in Ag a) which compound will begin to precipitate first? b) calculate Ag when CuI just begins to precipitate? c) what precipitate of Ag remains in the solution at this point..
calculate the root-mean-square speed of Ne atoms at the temperature at which the average kinetic energy
How many constitutionally isomeric monochlorides can be formed in the free-radical chlorination of 2,2,4-trimethylpentane?
first generation computers were powered by nickel cadium batteries which generated 1.20 V based on the following reaction Cd(s)+2 NiO(OH)(s)+2 H2O(l)-> Cd(OH)(s)+2 Ni(OH)2(s) what is delta g cell in Kj
The current concentration of carbon dioxide in the atmosphere is 378 ppmv. Annual anthropogenic additions to the atmosphere are about 8 Gt (as C) of which about 4 Gt are removed into the oceans and terrestrial environment.
Designing and preparing aqueous buffer solution with the pH indicated - Give complete details of the design and preparation of an aqueous buffer solution (volume 100ml) with the pH indicated.
An object has a mass of 5.95g. Assuming the density of water is 1 g/mL, what is the volume of the object including air?
The zinc content of a 1.45 g ore sample was determined by dissolving the ore in HCl, which reacts with the zinc, and then neutralizing excess HCl with NaOH
what two steps in the reaction are accelerated by the presence of strong acid, and what function does the acid play in each of these steps
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