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Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
Hydrogen phosphate buffer, Buffer solutions have the unique ability to resist changes in PH when an acid or base is added to them. One important buffer system that helps to maintain blood pH at a constant value of 7.4 is the hydrogen phosphate buf..
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq)+2e??Zn(s)
Which substance would provide the best protection for an iron pipe buried in the ground? for a lead pipe. Ag, Au, Cu, Mg, and Zn
Patiens suffering from repiratory disorders are often treared in oxygen tents in which the atmosphere is enriched in oxygen. What is the partial pressure of O2 in an oxygen tent consisting of 45% O2 for an atmospheric pressure of 753 mmHg?
Calculate the enthalpy change associated with the conversion of 25.0 grams of ice at -4.00°C to water vapor at 110.0°C. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H2O, Hfus = 6.01 kJ/m..
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
Briefly comment on whether or not this experiment shows that you can successfully model the packing of atoms in a liquid by randomly packing
The carbohydrate glyceraldehyde is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents glyceraldehyde
what advantage does using the Wiley extractor have over simply pouring acetone over the meat again and again?
What would be the pressure of the gas, in kPa, if it were transferred to a container at 24°C whose volume is 55.0L?
Differentiate between alkenes and alkynes, cis isomers and trans isomers. Describe how cis- trans isomers are used for night vision.
If a 180 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.3 x 1.0 ft , what is the average thickness of the sheet in meters?
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