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A series of lines in the spectrum of neutral Li atoms rise from combinations of 1s22p12p with 1s2nd12D and occur at 610.36nm, 460.29 nm, and 413.23 nm The d orbitals are hydrogenic. It is known that the 2p term lies at 670.78 nm above the ground state, which is 1s22s12S. Compute the ionization energy of the ground-state atom.
The pH of the resulting solution is 6.35. Calculate the Ka for the acid.
Calculate the standard entropy change for the combustion of ethanol at 25 degrees C. CH3CH2OH(l)+3O2(g)----> 2CO2(g)+3H2O(g). Species S degrees CH3CH2OH(l) 160.7 O2(g) 204.1 CO2 213.7 H2O(g) 188.8
A chemical process is used to convet toulene (MW=92) and hydrogen to benzene (MW=78) and methane (CH4) by the reaction : Toulene+H2->Benzene+CH4
Statements correctly describe(s) the relationship between the structure of a fatty acid and its melting point? a. Saturated fatty acids have melting points that increase gradually with molecular weight.
What mass of carbon dioxide is produced by the complete combustion of 5.50 grams of hexane, C6H14
In the presence of Sulfuric Acid, Benzilic Acid reacts with acetone to form a compound with the molecular formula C17H16O3. Propose a structure for this product and write a balanced equation for the reaction
Calculate the of 0.280L of a 0.450M NaHSO3 - 0.285M Na2SO3 buffer before and after the addition of the following substances.
a compound is 40.0c 6.70h and 53.3o by mass. assume that we have a 100.g sample of this compound. what are the
An object is made up of copper and zinc. The mass of the object is 46.2652g and has a density of 9.25 g/cm^3. What percentage of the object is copper. What percentage is zinc
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
Calculate the molar Gibbs free energy change for the phosporylation of glucose by ATP to produce glucose-6-phosphate. Assuming the reaction happens at 310K and at pH 7. The concentration of ATP, ADP, G6P, and Glu are 1850 µM, 138 µM, 83 µM, and 50..
A and B mix to form an ideal solution.what is the Gibbs energy of A in the solution as compare to the Gibbs energy
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