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One mole of an ideal gas at 298.15K is expanded fanatically to a final P=1atm next to a constant opposing pressure P=1atm. Compute the final w, q delta U delta H for Cv=7/2 R.
Sketch bonding orbitals that result from combinations of the following orbitals on separate atoms (a) pz and dz2 (b) s and pz (c) dx2-y2 and dx2-y2
Calculate moles of permanganate required. b. Show a balanced redox equation i. oxidation ii. reduction iii. overall c. How many moles of lead are present
What would be the temperature change of 450ml of water that surrounds this ice cube assuming all the heat was transfered form the surrounding water.
they condense and then revaporize. During which of these steps is the concentration of the more volatile compound of the mixture increased?
Looks like 4-Methyl-2-Pentanone to me, can someone verify and explain in depth why it's such compound ... NMR picture in the comment below
A solution is prepared from 25.0g of benzene, c6h6 and 25.0g of an unknown compound. The freezing point of this solution is 4.3C. The normal freezing point of benzene is -5.12C/m. Determine the molar mass of the compound.
Sulfide precipitates are usually grouped as sulfides insoluble in acidic solution and sulfides insoluble in basic solution. Define why there is a difference between the two groups of sulfide precipitates.
If the reaction between iron (III) ion and thiocyanate ion yielded an equilibrium concentration of .15 M for each of these ions, what is the equilibrium concentration of the red iron (III)-thiocyanate complex
what volumes of the stock solution will you have to pipet into the flasks to prepare standards of 1.00 2.00 5.00 and
Define the maximum electronic energy that a hydrogen atom can have is 0 KJ/mole at which point the electron would essentially be removed from the atom also it would become a H+ ion. Define how much energy is kilojoules per mole does it take to ion..
A 10.0-mL solution of .510 M NH3 is titrated with a .170 M HCl solution. Calculate the pH after the following additions of the HCl solution.
Under what conditions will the endothermic reaction, 2 Na2O(s) 4 Na(s) + O2(g), be spontaneous?
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