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The vapor pressure of acomponent varies with temperature as follows : T c 0 20 40 50 70 80 90 100
P/kpa 1.92 6.38 17.7 27.7 62.3 89.3 124.9 170.9
What is the enthalpy of vaporization ?
Calculate the temperature in Kelvins of 10.2 grams of CO2, an Ideal Gas, trapped in a .0047 L container with a pressure of 300,000 Pa
explain why in the sample calculations 0.1 g of the unknown produced a greater freezing point depression than the same
Problem- Glacial acetic acid is the concentrated form of acetic acid, the acid in vinegar. The term "glacial" refers to the appearance of the solid form, which resembles glacial ice. What is the melting point of this compound, in degrees Celsius, ..
The isentropic efficiency of the turbine is 85%. The air is then delivered to the aircraft cabin and leaves the aircraft at 160 C. Calculate. i. The refrigerating effect
A solution is prepared by dissolving 1.50 g of compound in 25.0 mL H20 at 25 degrees Celsius. The boiling point of the solution is 100.45 degrees Celsius.
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
A student started the purification and recrystallization with a crude sample of adipic acid that weighed 20.421 g and obtained a yield of pure adipic acid of 73.5% How much pure adipic acid was recovered
Use the values of Ka1 = 0.056 and Ka2 = 5.4 x 10-5 to calculate the [OH-] in a 0.898 M solution of oxalic acid (H2C2O4).
A 3.592 g sample of hydrated magnesium bromide, MgBr2.xH2O is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 2.263 g. What is the value of x
a 10 ml pipet is calibrated by dispensing exactly 10 ml of distilled water into a flask and then weighing the water to
Write the balanced half-reaction ocurring at the cathode. What would the potential of the cell if it was modified to use 0.10M AgNO3 solution and a 0.30M Cd(NO)3 solution instead
Which of the following is the most feasible reagent for oxidizing silver(i) to silver(ii): diflourine, flouride ion, diiodide, iodide ion?
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