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Cylinders of compressed gas are usually filled to a pressure of 200 bar. For oxygen, define what would be the molar volume at this pressure and at 25 degree Celsius based on (a) the ideal gas equation, (b) the van der Waals equation you will require to lool up the van der Waals constants for oxygen for this problem.
Oxygen, O2 van der Waals constant is (a= 1.382 b= 0.03186)
The upper falls in Yosemite National park, at 440 m, is among the 20 highest waterfalls in the world. Estimate the difference between the temperature of the water at the top and bottom of the falls. The molar heat capacity of water
4-methoxybenzoic acid is a weaker acid than benzoic acid, but methoxyacetic acid is a stronger acid than acetic acid. Explain this apparent contradiction.
question jerry forgot to record the actual molar concentration of the standard hcl solution which was actually 0.044m
what is the value of Kc for the following reaction at equilibrium: CO2(g) + H2(g) CO(g) + H2O(g) if [CO]=.20 M, [H2O]=.30 M, [CO2]=.30 M, and [H2]=.033M?
which solution can conduct an electrical current?
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular formula of this oxide?
Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it cools from 89.2°C to 15.7°C
you measure 2.34 grams of potassium dichromate k2cr2o7 into a volumetric flask. you dilute the potassium dichromate
The G'o for the hydrolysis of acetyl-CoA to acetate and CoA is -32.2 kJ/mol and that for hydrolysis of ATP to AMP and PPi is -30.5 kJ/mol. Calculate G'o for the ATP -dependent synthesis of acetyl-CoA.
Consider the formation of nitrogen dioxide from nitric oxide and oxygen: 2NO(g) + O2(g) -> 2NO2(g) If 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
you take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution.
What are the differences between dipole dipole, ion dipole and London Force. I am really confused by the concepts of these and the polarity as well.
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