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Combustion of 30.04 g of a compound containing merely carbon, hydrogen and oxygen produces 51.12 g CO2 and 28.45 g H2OExplain what is the empirical formula of the compound?
A. C3H8O2
B. C3H8O3
C. C4HO4
D. C6H16O4
silicon has three naturally occurring isotopes. 28si mass 27.976927 29si mass 28.976495 30si mass 29.973770 and 3.10
If four moles of sodium sulfate are dissolved in water how many moles of sodium ions would be in solution?
Calculate the equilibrium concentrationsfor this dissolution reaction if one mole of the solid is placed in 1.00 L of water (assume adding the solute does not change the volume of the solution
Explain how do you find the melting point of molecules. For instance to sort LiF, BeO, BN from highest melting point to lowest melting point.
The normal melting point of napthalene is 353.05K. When the solution becomes saturated at 310k, we expect the mole fraction of napthalene in the saturated solution.
Pure chlorobenzene boils at 404.86 K. (a) Construct the chlorobenzene-rich portion of the phase diagram from the data. (b) Estimate the temperature at which a solution whose mole fraction of 1-butanol is 0.300 begins to boil
For the reaction shown, compute the theoretical yield of product (in grams) for each of the following initial amounts of reactants. 2Al(s) + 3Cl2(g) --> 2AlCl3 (s)
what will be the temperature of the system when equilibrium is established? (sp Heat of H2O(s) = 2.09j/g . c (sp heat of H2O (l) = 4.18 J/g.c) Heat of Fus. of H2O(s)=333j/g
the critical temperature of the mixture is known to be 200 F. Compare your answer with the critical pressures of pure methane and pure n-hexane.
Determine the Kelvin temperature required for 0.0470mol of gas to fill a balloon to 1.20L under 0.988atm pressure.
The concentration of acetic acid (pKa = 4.75) in vinegar is about 1.0 M. With this information, what do you predict the pH of vinegar to be
Predict the products of the following reactions: W(CO)5[C(C5H52)(OC2H5)] +BF3 ? (C5Me5)Rh(CO)2? Will I know that the final answer has to be: W(CO)5[C(C5H5)(OC2H5)] +BF3 ? [(CO)5W?CC6H5]+ +F-+F2BOC2H5 (C5Me5)Rh(CO)2? [(C5Me5)Rh(CO)]2 +2CO
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