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The vapor pressure of carbon disulfide is 355.6 torr at 25°C. What is the vapor pressure of a solution prepared by dissolving 10.26 g naphthalene (C10H8, Molar Mass = 128.2 g/mol) in 133 mL CS2 liquid (Molar Mass = 76.14 g/mol, density = 1.261 g/mL)? Assume the solution obeys Raoult's law, and treat naphthalene as a nonvolatile solute.
A solution of NaOH with pH 13.68 requires 35.00 ml of 0.128 M HClO4 to reach the equivalence point. What is the volume of the NaOH solution
From the same container under the same conditions--same temperature and initial pressure, it takes 40 s for 1.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr3+ using a current of 35.2 amps in an electrolytic cell?
Using structural formulas, and arrows to show electron movement, write reaction mechanisms for the pyrolysis of the aryl sulfonate ester to produce alkene(s) assuming that: (a) the mechanism is E1, and (b) the mechanism is E2.
While coal is burned, the sulfur present in coal is converted to sulfur dioxide (SO2), Explain which is responsible for the acid rain phenomenon.
When aqueous HCl neutralizes benzoate anion, one of the actual acid species present is the hydronium ion, H3O+. Which is the more prevalent acid, HCl (pKa = -2.2) or H3O+ (pKa = 1.74)? Write an equation that shows how H3O+ forms from HCl.
Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as antioxidants in soaps. Hydroxylamine has Kb of 9.1 x 10^-9. What is the pH of a 0.025M HONH2 solution
A student found that her mixture was 15% NH4Cl and 75% SiO2 .Assuming her calculation are correct, what did she most likely do incorrect in her experiment?
A sample of 2.75 moles of carbon dioxide gas at 125°C and 248 torr occupies a volume of 275 L. Explain what will the gas pressure be if the volume is increased to 321 L at 125°C
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
how much energy is needed to heat 24.8g water from 64 degrees to 123 degrees celsius?
Draw the Lewis dot structure of CNNO2 along with all possible resonance structures, labeling formal charges.
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