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Liquid oxygen sticks to the poles of a magnet but liquid nitrogen does not why?
Why NO+ has shorter bond length than NO, even though later has an extra electron.
Write the reactions between Cl2 and NO, H2, CO, P, S, SO2, Br- and NaOH.
A particular coal contains 2.92% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas. The sulfur dioxide gas then reacts with calcium oxide to form solid calcium sulfite
Isotonic saline solution, which has the same osmotic pressure as blood, can be prepared by dissolving 1.023 g of NaCl in enough water to produce 290 mL of solut
What are the advantages and disadvantages of simple and fractional distillation. How would the shapes of a graph of these differ or compare if you were to plot distillation temperature vs. total volume of distillate collected
5.0 L of Ba(OH)2 were titrated to the end point with 500 ml 8.0M HCL in the reaction. What was the molar concentration of barium hydroxide solution?
To prepare a fertilizer, an engineer dilutes a stock solution of sulfuric acid by adding 28.8 L of 3.00 M acid to enough water to make 500. L. What is the mass of sulfuric acid per milliliter of the diluted solution
Describe the characteristic IR absorption frequencies in cm -1 that would allow you to distinguish between the following pair of compounds.
a mixture of ideal gases having a total mass of 14.1 g is placed in a 13 l vessel at 251.0 k. the equilibrium pressure
A sample of H3A with a mass of 0.3606g was dissolved in water and titrated with 0.16M Ba(OH)2 solution.24.5mL of base were required to reach equilibrium point. What was the MM of the acid
when a suspected drunk driver blows 188 ml of his breath through the fuel-cell breathalyzer the breathalyzer produces
An electron is confined to a linear region with a length of the same orderas the diameter of an atom (about 100 pm).
How much heat is needed to vaporize 3.63 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?
What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
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