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A gas cylinder contains 370 grams of O2 gas at 30atm and 25C. Explain what mass of O2 gas would excape if first the cylinder were heated to 75C as well as then the valve were held open until the gas pressure was 1atm, the temperature being maintained at 75C?
what types of intermolecular forces are found in crude oil?discuss the solubility in water of some organic compounds
a geochemist is interested in studying the extent of ocean dilution of trace components due to melting glaciers. if
For the subsequent reaction, compute the DEo' and the DGo'. The value of a Faraday is 23.06 kcal/volt/mol. Define equations,
When a solution of magnesium chloride is electrolyzed, redlitmus turns blue and a gas is evolved in the cathode chamber. Whatis the cathode reaction
A 0.1375 M solution of potassium hydroxide is used to titrate 35.00 mL of 0.257 M hydrobromic acid. Assume volumes are additive. What is the pH of the solution halfway to the equivalence point
Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 6.9×104 A flowing for a period of 23h . Assume the electrolytic cell is 80% efficient.
A solution of water (Kf = 1.86 degrees C/m) and glucose freezes at -2.55 degrees C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 degrees C. Express the molal concentration numeri..
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68g of the compound yields 16.01g of CO2 and 4.37g of H2O. The molar mass of the compound is 176.1g/mol. What is the empirical and molecular formulas of the compound
Carbon tetrachloride was widely used for many years as a solvent until its harmful properties became well established. Carbon tetrachloride may be prepared by the reaction of natural gas (methane, CH4) and elemental chlorine gas in the presence of..
Calculate the standard cell potential at 25 C for the reaction X(s)+2Y+(aq)?X2+(aq)+2Y(s) where ?H? = -651kJ and S = -371J/K.
What is the molar solubility of pbcl2 in a solution containing 0.020 M cl-(aq)? the ksp for pbcl2 is 1.6*10^-5
Consider the reaction, 2 Al(OH)3 + 3 H2SO4 ->Al2(SO4)3 + 6 H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts?
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