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Problem- The vapor pressure of toluene is 8 kPa at 40.3 C and 2.67 kPa at 18.4 C. Calculate (a) the heat of vaporization and (b) the vapor pressure at 25 C.
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What is the pH at the stoichiometric point (end point) for the titration of 50 ml of 0.20 M methyl amine CH3NH2 (aq) with 0.20 M perchloric acid HClO4(aq)? For methyl amine (CH3NH2), Kb = 3.6 x 10^-4.
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
Considering given equation as P4(s) + 5 O2(g) P4O10(s) where ΔH = -3013 kJ/mol you just need to compute the heat evolved when 436 grams of white Phosphorous (P4)burns in air according to the given equation as above.
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
Compare the mass of H2 expected from the reaction of steam H2O per mole of methane, petroleum and coal. Presume complete reaction in each case. Utilize CH2 and CH as representative formulas for petroleum and coal, respectively.
All useless answers. Shouldn't lose points if answers are not helpful. A 0.4863-g sample of primary standard sodium carbonate (Na2CO3, fw 105.988) was treated with 40.00-mL of a dilute perchloric acid (HClO4, fw 100.458) solution.
when nacl is added to a solution of agno3 a white precipitate of agcl forms. if concentrated ammonia nh3 is added to
Suppose you mix 20 ml of 0.010 M MgCl2 with 20 ml of 0.0020 M Na2CO3, Describe will magnesium carbonate, MgCO3 precipitate out from the solution. Given: Ksp(MgCO3)=4.0 x 10-5
Draw the monobromination product that would be obtained from the radical bromination of methylcyclohexane? which product would obtained in greatest yield?
a gas mixture with a total pressure of 770 mmhg contains each of the following gases at the indicated partial pressures
The molecular weight of the protein is 3.4e4 grams per mole. What is the molar concentration of the protein?
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution
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