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A reaction has an initial rate of reaction of 0.001 Msec^-1 an 70 degrees C. This increases to 0.010 Msec^-1 at 90 degrees C. Calculate the activation energy for this reaction.
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
Critical constants of a gas with van der Waals parameters, Estimate the critical constants of a gas with van der Waals parameters
determine how many grams of C 12 H 22 O 11 (sucrose) (mm = 342 g/mol) does he need if he uses 375 grams of Water? it is given that the vapor pressure of water =17.5 mm Hg. at 20 degree celsius temperature)
Need to calculate the heat formation of products, but have heat of formation for NaCl of concentration 1mol/L.
A 1.00 g sample of D2O and H2O are reacted with CL2 and HCL and DCL are produced. Then they are diluted with H2O giving a volume of 1.00L. Then 25 mL of the solution are reacted with excess AgNO3 and 0.3800g AgCl precipitate formed.
A sample of gas with a volume of 750 mL exerts a pressure of 98 kPa at 30 c. what pressure will the sample exert when it is compressed to 250 mL and cooled to -25 degree celsius.
prepared in good yield as the exclusive product of hydration of an alkyne with water, SO4 and Hg to form ketone
Two of the following ions depend on their conversion into a gas for detection. What are the 2 ions? The two ions will form an ionic compound.
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 20.0 g of luminol to rm H_2O creating a solution with a total volume of 75.0 rm mL.
At 25 ºC, the vapor pressure of water is 23.8 torr. What is the vapor pressure of a solution prepared by dissolving 97.0 g of C6H12O6 (a nonvolatile solute) in 170 g of water.
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
A by-product of the Witting-Rxn is triphenylphosphine oxide. At what step in the experimental procedure is this compound removed
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