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The rotational constant of CO is 1.931 cm-1. Evaluate the rotational partition function (without approximation) and plot its value as a function of temperature. At what temperature is the value within 5 per cent if the value calculated from the approximate formula.
Zinc is reacted with hydrocloric acid to make hydrogen gas and zinc chloride. when 42.86 g of zinc is added to 40.11g of hydrochloric acid, 63.22g of zinc chloride were collected.
A salt water mixture is 33.0% (w/w) walt. (The w/w refers to weight / weight or mass / mass). If there are 300.0 g salt in the mixture, what is the total weight of the mixture?
Suppose that 155g of ethanol at 21 degrees Celcius is mixed with 240g of ethanol at 88 degrees Celcius at constant atmospheric pressure in a thermally insulated vessel. What is the change in S of the system for the process? The specific heat capac..
A mixture of acetone and toluene is boiled at 60 C and at 760 mm Hg. What is the ratio of acetone to toluene in the vapor phase?
The quantity of atmoshperic SO2 (g) can be determined by reaction with H2O2 (aq), according to the balanced chemical equation...
Titration of 25.00 mL of HCl requires 15.62 mL of 0.250 M Ba(OH)2. Determine the concentration of the HCl solution
Draw out the complete structural formula for glutamic acid and glutamine. One has a pI of 5.65 and the other has a pI of 3.22
At equilibrium 1.12e-02 mol of HCl is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value ..
Draw the structure of the compound that is consistent with the 1H NMR data below. (Assume that long-range coupling is not observed.)
would increasing the volume of the equilibrium mixture of each of the following reactions cause the equilibrium to shift and if so will the shift be toward products or reactants
A solution is made by combining 10.0 mL of 16.5 M acetic acid with 5.60 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
The normal sublimation point of solid acetylene is -84 C. Figure out the answers to the questions below and then pick the correct statement from the multiple choices(i) Is the sublimation of solid acetylene an endothermic or an exothermic process
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