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When metal oxides react with water, the oxygen usually ends up as the hydroxide ion, separate from the metal. In contrast, when nonmetallic oxides react with water, the oxygen ends up as part of the nonmetal species. (For instance, upon reaction of CO2 with water the oxygen remains on the carbon in H2CO3.)
Calculate ΔG for the reaction if the partial pressures of the initial mixture are PPCl5 = 0.0029 atm, PPCl3 = 0.27 atm, and PCl2 = 0.40 atm PCl5(g)--> PCl3(g) + Cl2(g)
A mixture consisting of 50 grams ethanol and 50 grams water is distilled using an efficient column. How much water will remain in the distillation flask the instant all of the azeotrope has distilled?
A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
The mass of the flask (before the sample is placed into the flask) is measured when the outside of the flask is wet. However, the outside of the flask is dried before its mass is measured.
Use simple structure and bonding models to account for why carbon carbon single bonds in ethane rotate freely while carbon-carbon double bonds in ethene do not rotate.
a 2 phase liquid-vapor mixture of water initially with a quality of 25 is contained in a piston-cylinder. the piston
chromium iii hydroxide croh3 is highly insoluble in distilled water but dissolves readily in either acidic or basic
what is the empirical formula for a substance if a 1.000 g sample of it contains .262 grams of nitrogen 0.075 grams of hydrogen and .663 grams of chlorine?
Identify the element oxidized and reduced in the following redox rxn. Also indicated the number of electrons lost/gained by each atom.
what is the molar mass of a gas that has a density of 1.02g/L at 0.990 atm pressure and 37 o C
At equilibrium, it was found that [CH3COOH] = 0.8537 M, [CH3COOO-] = 0.0040 M and [H3O+] = 0.0040 M. Calculate the acidity constant of CH3COOH and the pH value of the solution.
a 25.0 ml sample of 0.100 m lactic acid hc3h5o3 pka 3.86 is titrated with 0.100 m naoh solution. calculate the ph
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