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The normal boiling point of 1-butanol is 117.8 C. 1-butanol (l, 1 atm) ? 1-butanol(g, 1atm) delta H=43.82 kJ Calculate the boiling point of 1-butanol when the barometric pressure is 47 mmHg
Toluene is a liquid compound similar to benzene. Calculate the mole fraction of Toluene in a solution that contains 112 g Toluene and 221 g Benzene.
Suppose that a 1.0 L reaction vessel initially contains 1.0 mol ofO3 and 1.0 mol of O2. What fraction of the O3 will have reacted when the rate falls to one-half of its initial value?
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 8.0* 10^-2 M NaOH
C2H6, is completely combusted in oxygen. If the total mass of CO2 produced is 34.8 grams, what was the approximate mass of the methane in the original mixture?
So hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
A 0.2500 g sample of impure potassium chloride was treated with an excess of AgNO3. The precipitate was filtered, washed, and dried in a crucible with an empty mass of 34.9736 g.
Kc=4.6*10-3 for the reaction below at 25 celsius. evaluate Kp at 25 celsius N2)4(g)---->2NO2(g)
when a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter the
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
which of the following chemical combinations of the elements would be most exothermic, Na and Cl
Codeine, C16H21NO3, is a monohydroxic derivative of morphine with pkb=6.05. Calculate the PH of a 80.0 ml soultion that contains 6.5 mg of codeine
solve the given problem while considering that the rate coefficients for initiator dissociation propagation and
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