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A series of lines in the spectrum of atomic hydrogen lies at 656.46 nm, 486.27 nm, 434.17 nm, and 410.29 nm. Explain what is the wavelength of the next line in the series? Explain what is the ionization energy of the atom when it is in the lower state of the transitions?
According to valence bond theory, the triple bond in ethyne (acetylene, C2H2) consists of A) three sigma bonds and no pi bonds B) two sigma bonds and one pi bond C one sigma bond
calculate (Triangle H degree R) for the following reaction- H2S(g) + (3/2)O2(g) ---> SO2(g) + H2O(g)
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butano..
a weather balloon is filled with 15.0 liters of helium at 27 degree celsius and 0.99 atm. what volume does the balloon
What is the mass of a glucose solution that fills a 1.00 {\rm L} intravenous bottle if the density of the glucose solution is 1.15 g/mL?
A blackbody emits light with a frequency of 1.54 x 1014 s-1. The total energy emitted per second at this frequency is 1.02 x 10-11 J. How many photons are emitted per second
calculate the osmotic pressure in mm hg of 6.00 l of an aqueous 0.889 m solution at 30.degc if the solute concerned is
Which term or terms could be used to describe this sample of concrete?
acetylene gas c2h2 is produced as a result of the following reaction. cac2s2h2ol c2h2gcaoh2aq . if 32.0 g of cac2 are
for a steel containing 0.4 ca at what temperature does austenite start to transform on cooling from 950 degree
the required removal or conversion of A is 90%. If the rate constant, K, is 0.35hr-1, what is the required residence time in hours for the batch reactor?
A catalyst increases the overall rate of reaction by lowering the activation energy, Ea, for A) both the forward reaction and the reverse reaction.
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