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A gas mixture containing oxygen, nitrogen, and neon exerts a total pressure of 1.20 atm. If helium added to the mixture increases the pressure to 1.50 atm, what is the partial pressure (atm) of the helium?
At what temperature will a 1.3 g sample of neon gas exert a pressure of 491 torr in a 5.9 L container?
Considering that Xenon has eight valence electrons, how can something like XeF4 exist? Explain your answer by illustrating what occurs.
Calculate the minimum amount of triphenylmethanol required to prepare 10.0kg of triphenylmethyl methyl ether.
If you dilute 750.00 mL of a 4.117 × 10-4 M solution into a 2.00 L volumetric flask and fill to the line with water, what would be the final concentration of the solution?
A buffer solution is prepared by adding 15.00 g of sodium acetate ( NaC2H3O2), and 12.50 g of acetic acid to enough water to make 500 mL of solution. What is the pH of the buffer?
A sample of pure NO2 is heated to 334 degree C at which temperature it partially dissociates according to the equation 2NO2(g)-->2NO(g)+O2(g)
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
For the table below, write which orbital goes with the quantum numbers. Don't worry about x, y, z subscripts. If the quantum numbers are not allowed, write "not allowed."
The solubility of oxygen in lakes high in the Rocky Mountains is affected by the altitude. If the solubility of O2 from the air is 2.67 × 10-4 M at sea level and 25°C.
For a given reaction the following half-life and initial concentration data was collected. Use this data to determine the reaction's order and rate constant.
A certain minimum energy(E min) is required to eject an electron from a photosensitive surface. Any energy obsorbed beyond this minimum gives kinetic energy to the ejected electron.
Calculate the energy released when a 28.9 gram piece of copper is cooled from its melting point of 1083 degrees C to 25.0 degrees C. The specific heat of copper is .385 J/g degrees C.
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