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When a covalent bond is formed, does the distance between the two atomic nuclei remain fixed?
Using planck's distribution of at a temperature, T, with a wavelength corresponding to the maximum in the distribution, prove that wavelength T is a constant. Then deduce an expression for the constant as a multiple of the second radiation constan..
Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 49. g of butane is mixed with 150. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.
Your computer monitor has a width of 14.15 inches and a height of 10.61 inches. What is the area of the monitor display in square meters?
Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g.
Give two examples of atoms or elements that exhibits resonance hybrid structures.
Phosphate buffer has 3 ionizable groups, with pKa's of 2.15, 7.2, and 12.45. A 1.20 M solution of this buffer (250 mL) is found to have a pH of 6.0. A biochemist adds 30 mL of 1.0 M NaOH to this buffer. What is the resultant pH?
a student placed 12.5 of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
0.1 M NaCl was slowly added would a precipitate(s) form? if more then one precipitate could form, predict the order of appearance of the precipitates.
The maximum of the solar emission spectrum is at a wavelength of about 503.0 nm. What is the surface temperature of the sun
Question- Calculate the effective radiation dosage (in Sieverts) for a 73-kg person who is exposed to 3.4x10^-9 particles of alpha radiation. Assume that 79% of the radiation is absorbed, each alpha particle has an energy of 6.0x10^-13J, and that ..
Calculate How many grams of H2O at temperature 25 degree Celsius should be poored on the ice with no water in flask initially.
There is a difference between the hamiltonian operator for a particle on a line model as well as the harmonic oscillator model. Explain what is this difference and why does this difference occur
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