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Discuss how does Bohr's planetary model of the atom explain this phenomenon when a given atom emits red light and the green light, but never blue light.
At 25 °C Ar gas which is having 8.0 g of (molar Cv, m=12.47 J/K/mol) contracts the isothermally and reversibly from the 2L to 1 L. Determine: n, ΔU,ΔH, ∂q, Cv, ΔT, &p
Determine the effect of an increase in the pressure of 75 bar at 25 0C on the vapor pressure of benzene, which is having the density 0.879 gcm-3 (MMC6H6= 78.11 g mol-1).
Show that if a valve separating a vessel of pure A from a vessel having a mixture of A and B is opened, mixing will occur by invoking the pressure dependence of the chemical potential.
When it takes 3.80 x 10-13 s for a nitrogen molecule to strike a wall and rebound with the same speed however moving in an opposite direction (supposed to be the negative direction), determine the
Find out the final temperature when you are given the steel and oil, the oil has 116.6 lb mass and the steel has a 23.3 lb mass. The specific heat of the oil is .45 and the specific heat of the stee
Calculate the percent sulfate ion in this unknown if 1.405 grams of an unknown yields 0.491 grams of barium sulfate when treated with the excess barium chloride.
Determine the weight of barium sulfate expected if excesses the barium chloride solution is added to the 0.463 grams of potassium sulfate.
Discuss what kind of deviation from ideality is expected from the Freon? Freon is a liquid under pressure at room temperature; its normal boiling point is not too far from room temperature.
A compound with a fragrant odor reacts with a dilute acid to give the two compounds, A and B. Compound B is identified as an acid consisting of 48.7% C, 8.1%H, and 43.2% O.
The constant pressure molar heat capacity of NH3(g) is given by Cp,m= a - bT + c/T2, where a, b, c are constants that determine how the heat capacity of NH3(g)varies with temperature.
Determine the absorbance of a solution that has been prepared by taking the15.0 mL of the original red dye solution and diluting it to 100.00 mL if the absorbance of a solution of "red dye #3" is 0
Describe the property of a solution makes distillation possible? During a distillation why is it absolutely necessary to have the thermometer correctly placed?
Calculate the function of the packing in a packed tubular distillation? Discuss is it possible to pack a column too tightly?
Calculate the formula of the compound that produces when HCL is added to the salt of the alcohol and carboxylic acid after the saponification of the methyl salicylate?
When a sample which is having 0.5632 g of containing the NaNO2 and some inert material is allowed to react with the excess HSO3NH2, the volume of N2gas formed is calculated.
Explicitly state the analytical interpretation of this standard deviation with respect to the calculated equilibrium constant. An analysis of a series of repeated measurements formed an equilibrium
Propose a Synthetic pathway from the starting material to the product. Provide the necessary inorganic reagents. Show complete mechanism. Supply the Structure of the expected product C10H16 by
Discuss why 3-nitropyridine is the major product of Electrophonic Aromatic Nitration of pyridine. Show the complete mechanism by using the reagents conc. HNO3, heat, neutralize @ Ph = 7
Determine the concentrations of H30+ and OH- in a neutral solution at 50 degrees Celsius at 50 degrees Celsius the value of Kw is 5.5 x10^-14.
Determine the number of moles of Ag+ in 5 mL of .004 M AgNO3and the number of moles of CrO4^2- in 5 mL of .0024 M K2CrO4
The Ksp for BaCrO4 is 5.1 x 10^-9. Determine the numbers of grams of BaCO3will dissolve in 100 mL of water? Differentiate among the equilibrium constant expression and Ksp for the dissolution of a spa
Illustrate the phase diagrams for the following types of systems. Label the regions and intersections of the diagrams, stating what materials are present and whether they are solid, liquid, or gas.
An Al-Mg which is having 0.5 g of alloy in the acid forms the 600mL of H saturated with water vapor at 20°C. PH2O = 18 torr. Where the Barometric pressure was 763 torr.
Determine the energy of one photon of this light? In addition to continuous radiation, fluorescent lamps emit sharp lines in the visible region from a mercury discharge within the tube. Much of thi