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Problem- Calculate the energy separations in joules between the levels of an electron in a box of length 1 nm. Comment on your result.
(a) n = 1 and n = 2(b) n = 21 and n = 22
Explain the steps included in computation of energy separation
Draw Lewis structures of the four molecules and/or ions with the formulas given below and figure out which two of these are isoelectronic with each another.
What is the equilibrium constant for the following reaction CO(g) + 2 H2(g) ↔ CH3OH(l); [CO] = 0.788 M and [H2] = 0.872 M?
Calculate the number of coulombs required to produce 6.53 g of Hg from an aqueous solution of Hg2+
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
Wastewater flow in a sewer can be estimated by adding a known amount of tracer such as salt solution and measuring the salt concentration upstream and downstream of the point of addition.
has a volume of 58.0L and a pressure of 645mmHg. What is the temperature, in kelvins and degrees Celsius, of the gas?
a reaction has an activation energy of 123 kjmol and a rate constant of 0.200 s-1 at 311k. at what temperature will the
Determine the temperature dependence of the diffustion limited rate constnt (kdiff proprotional T7/3 or so )
Arrange the subsequent substances in the order of increasing entropy at 25 degrees Celsius. HF(g), NaF(s), SiF4(g), SiH4(g), Al(s). Lowest to highest.
Utilize enthalapies of formation to compute the standard enthalpy of reaction for the subsequent methane-generating reaction of methanogenic bacteria, given delta Hf of CH3NH2(g) = -22.97 kJ/mol
How does the entropy of the system PbI2(s) + H2O(l) change as PbI2 (s) dissolves in water at 25 degrees celsius? Explain your answer.
Indicate whether energy is emitted or absorbed when the following electronic transitions occur in hydrogen from n=2 to n=6 and from an orbit of radius 4.76 A to one of radius 0.529A from the n=6 to the n=9 state
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