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State the structural formulas for the following compounds: a) 2-octyne b) ethylisopentylacetylene c) ethynylbenzene d) cyclohexylacetylene e) 5-methyl-3-octyne f) trans-3,5-dibromocyclodecyne g) 5,5-dibromo-4-phenylcyclooct-1-yne h) (E)-6-ethyloct-2-en-4-yne i) 1,4-heptadiyne j) vinylacetylene k) (S)-3-methyl-1-penten-4-yne.
Calculate the molarity (M) of a solution prepared by dissolving 13.7 g of HCl in enough water to make 2.25 L of solution.
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)
The PH of 0.1 M MCL ( M+ Iis unknown cation ) was found to be 4.7. write an net ionic equation for the hydrolysis of M+ and it's corresponding equilibrium expression Kp . Calculate the value of KP
Which of the following set of quantum numbers (ordered n, l, ml, me ) are possible for an electron in an atom
A gas mixture with a total pressure of 770 contains each of the following gases at the indicated partial pressures: , 265 ; , 134 ; and , 159 . The mixture also contains helium gas. What is the partial pressure of the helium gas?
consider an excited-state hydrogen atom. What is the energy of the electron in the n = 3 level? ground state energy
The lower flammability limit (LFL) for a gas is the minimum concentration of the gas, in air, below which there is too little fuel to support combustion; For propane, the LFL is 2.1 mol-%.
how much heat is produced in burning 7 mol of rmc2 rmh2 under standard conditions if both reactants and products are
Aqueous ammonia solutions are weak bases. They are obtained by bubbling ammonia gas in water. If 845 mL of gas at 1.00 atm pressure and 27 degrees Celsius is bubbled into 4.32 L of water, what is the molarity of the resulting solution
The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm. The reaction occurs in a 1.48- cm sample cell, and the only colored species in the reaction has an extinction coefficient of..
When the lone pair of electrons in SF4 is placed at the equatorial position, which of the following is true. The molecular geometry is trigonal bipyramidal.
When a metal was exposed to light at a frequency of 3.49× 1015 s-1, electrons were emitted with a kinetic energy of 3.60× 10-19 J. What is the maximum number of electrons that could be ejected from this metal by a burst of light
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