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At 1000 K, the total equilibrium vapor pressure over liquid bismuth metal is 4.84 x 10-5 atm. It is known from mass spectrometric experiments that the vapor phase contains both atomic, Bi(g), and diatomic, Bi2(g), species. In fact the experiments reveal that the equilibrium partial pressure of the Bi(g) is 2.07 x 10-5 atm and the equilibrium partial pressure of the Bi2(g) is 2.77 x 10-5 atm. At what total pressure of bismuth vapor is the partial pressure of Bi(g) just twice that of Bi2(g) at 1000 K? How many phases are present in the system for this situation?
Calculate the 95% Confidence interval is the measured standard deviation is not a good estimate of the population standard deviation.
Draw electron dot structure for the following molecules or ions notes En (electronegativity of Sb, Se, CL O are 1.9, 2.4, 3.0 respectively (a) SbCL3 (b) SeOCL2 (c) BF4- (d)C2H5CL
Calculate the pH of a solution that is 1.20×10^?3 M in HCl and 1.00×10^?2 M in HClO2. Express your answer using three decimal places
classify each of the following as oxidation or reduction: a)electrons are gained b)requires a reducing agent c)Ni(s)>Ni^2+(aq) d)MnO4^-(aq)>MnO2(s) e)Sn^4+(aq)>Sn^2+(aq)
a) Write the balance equation for the reaction. b) How many moles of O2 are needed to completly react with 4.0 mol of C2H6O? c) If a car produces 88 g of CO2, how many grams of O2 are used up in the reation
particular coal contains 5.45 by weight of sulfur. how many grams of so2 gas will be produced when 100.0g of the coal
a 0.50 mol sample of oxygen gas is confined a 0deg c in a cylinder. the initial pressure in the cylinder is 1.0 atm. if
A product has glycerol Molecular weight=92. The product contain 25% by weight glycerol and has a void fraction of ~70%, and a density of 1g/cm^3. Find its molar concentration
Explain why 1,2-ethanediol exists to a much greater extent in the gauche conformation than does 1,2-dichloroethane
give full mechanism: show the reaction of ethyl propionate with sodium ethoxide followed by cold aqueous acid work up
The d-d transition in [Ti(H2O)6]+3(aq) produces an absorption maximum at 500 nm. What is the magnitude of ? for this complex in kJ/mol? HINT: E = h ? and c = ?
N-t-Bu-BN-indole undergoes electrophilic aromatic substitution regioselectively at the 3-position. Draw an orbital bonding diagram for N-t-Bu-BN-indole. Show only the p-orbitals that overlap in the aromatic p-system. Which lone pairs must be inclu..
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