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Patients suffering from respiratory disorders are often treated 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 mm Hg?
Why can a first nitration be done at 0 degrees Celsius but the ice bath is removed to complete the reaction in a dinitration
What is the minimum mass of sulfur dioxide necessary to produce 200. grams of sulfuric acid in the reaction?
a solid block of exactky 100.0 cm 3 has a mass of 153.6g. determine its density. will the block sink or float on
Compound XF3, where the identity of X is unknown, consists of 64.8% F by mass. What is the atomic weight of X?
Cyanic acid (HOCN) and isocyanic acid (HNCO) differ in the position of their electrons, but they are not resonance structures. Explain.
What is the final temperature when 150 mL of water at 90,0 C is added to 100.0 mL of water
Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton. a) Write a nuclear reaction for this process.
The activation energy of the orginal pathway is 106 KJ/mol. What is the activation energy of the new pathway, all other factors being equal?
Calculate the mass of sugar (C12H22O11) that must be dissolved in 700 g of water to prepare 20% sugar solution
Assuming that the atoms are spheres in contact along the face diagonal, what is the radius of a Ar atom (in Angstroms)? An angstrom = 10-10 m or 10-8 cm.
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius
indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
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