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Ionization energy of hydrogen atom is the energy required to remove this lone electron from a hydrogen atom. It effectively is the same as moving the electron from n = 1 (ground state) to n = ? (E = 0, or when this electron is very very very far away from the nucleus). What is the ionization energy of H in kJ/mol?
compute the pH at the temperature of twenty five degrees Celsius of a solution combined by adding 50 mL of 1.60 M sodium hydroxide solution
A solution containing 6.3 X a0^-8 M benzene and 2.0 X 10^-7 M cyclohexane gave peal areas of 3950 and 4870, respectively, in a GC experiment.
Use a spreadsheet to calculate the composition of dry air at 5400K and 1 bar. Take the initial composition as .78 mol N2, .21 mol O2 and .01 mol Ar. Neglect the ionization of NO.
What is the osmotic pressure of a solution formed by dissolving 44.4mg of aspirin C9H8O4 in 0.355 L of water at 25 degress C.
When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2
what is the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. write none if no insoluble salt forms. a)AgNo3(aq) + Na2SO4(aq). b)KCl(aq) + Pb(NO3)2(aq). c)CaCl2(aq) + (NH4)3PO4(aq). ..
what Kelvin temperature will the vapor pressure be 3.00 times higher than it was at 329 K?
The only materials on hand are 300 mL of white vinegar (5.00% by mass acetic acid, density = 1.006g/mL) and potassium acetate. How should the student proceed?
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge.
A 6.11 g sample of Cu---Zn alloy reacts with excess aqueous HCl producing 1.26 L of H2(g) at 22.0 degrees C and 728 torr. Since only the Zn portion of the alloy reacts, calculate the percent Cu in the alloy.
If 10.00 mL of 0.050M KI solution is mixed with 40.00 mL of other reagents what would be diluted concentration of KI
What volume of N2O, collected over water, at a total pressure of 94kpa and 22 Celcius, can be produced from 2.6g of NH4NO3.
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