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A mixture of He, Ne, and Ar has a pressure of 21.7 atm at 28.0 °C. If the partial pressure of He is 2.66 atm and that of Ar is 1.71 atm, what is the partial pressure of Ne?
Problem- A 25.7mL volume prepared Na2H2Y solution titrates 25.0 mL standard .0107 MCa 2+ solution to the eriochrome black T endpoint. What is the molar concentration of the Na2H2Y solution
calculate the de broglie wavelength of an electron in the ground state of the h atom. show that this wavelength is
Question- A compound contains only boron and hydrogen and is 78.1% boron by mass. A gaseous sample of the compound has a density of 1.05 g/L at 901 torr and 107°C. What is the molecular formula of the compound
Calculate ΔG for the reaction if the partial pressures of the initial mixture are PPCl5 = 0.0029 atm, PPCl3 = 0.27 atm, and PCl2 = 0.40 atm PCl5(g)--> PCl3(g) + Cl2(g)
consider two closed containers. container x is a 2 l container that contains 0.5 l of acetone. container y is a 3 l
What is the pH of the solution?
What is the mole fraction of solute and the molal concentration for an aqueous solution
Use Slater's rules to calculate the shielding constant and effective nuclear charge for a 5s, 5p, and 4d electron in the tin atom. Which of these electron experience the lowest effective nuclear charge
Explain how many grams of NaCl in 400g of water to lower the ice bath temperature to -10 degrees C. 2) Explain what will be the boiling point elevation, Delta T, if we were to boil the solution described in the last problem
What electron transition in a hydrogen atom, ending in the orbit 4, will produce light of wavelength 1640 nm
Compared to that of a saturated fatty acid, the melting point of an unsaturated fatty acid with an equal number of carbons will be
Tires in a bike have been filled to a pressure of 53.0 psi at 19.0 deg C. after riding around for a while, the volume of the tire increased by 2% & the temp was now 32 deg C. whats the new pressure in psi
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