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If 0.420 mol of a nonvolatile nonelectrolyte are dissolved in 3.90 mol of water, what is the vapor pressure PH2O of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25.0 degrees C. Express your answer numerically in torr.
draw a detailed mechanism including arrows to show electron flow for the synthesis of acetylferrocene from ferrocene
there are three compounds are given as i. pentane ii. 2-methylbutane iii. 23-dimethylbutane iv. 22-dimethylpropane
At what temperature will air (MW=29) have the same density as helium at 300 K, both gases at the same pressure.
What difference would you expect to see between the ionizaition energy of element 115 and that of element 116? Which IE would be larger? Explain in terms of expected electron configurations.
What is the freezing point of an aqueous 2.65 m calcium chloride (CaCl2) solution? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.
Experimentally the ionization energy of hydrogen is 1312.2 kJ / mol. What would be the wavelength (nm) of a photon with enough energy to ionize one atom of hydrogen
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass o..
Find the partial pressure of each product and the total pressure in the flask at the end of the reaction?
An acre of corn can produce about 375 gallons of ethanol, using only the kernel of the corn for conversion to ethanol. Assume the energy input to produce an acre of corn is 15000000 kJ.
an insulated container holds 475g of molten indium (liquid) at a temperature of 276 C. if 511g of solid indium are warmed to the melting point (157 C) and than dropped into molten indium, the system comes to thermal equilibrium at the temperature ..
CO(g) + 2H2(g) = CH3OH(g) , what is the equilibrium constant? , where CH3OH = 0.0412 atm, H2 = 0.274 atm, CO = 0.914 atm.
Cesium has the smallest ionization energy of all the elements (376 kJ/mol), and chlorine has the most negative electron affinity (-349 kJ/mol).
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