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Explain which substance in Table 5.2 needs the smallest amount of energy to raise the temperature of 41.0g of that substance by 12K Compute the energy needed for this temperature change. The substance is Hg(l).
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
Assuming the waste heat of the engine provides all the heat necessary to melt the iceberg, how much work can this do?
A cool solution of sodium nitrite and a solution of the amine in an ice bath. Moderately concentrated hydrochloric acid is added.
the following wavefunction is proposed for an excited state of the lithiumatom psi 1radic61s1beta1 2s1beta1
Assuming that the following structures exist, draw the structures of IF7, IF6G,IF5 and IF4G. In addition, what would be the bond hybridization in each of these compounds and would expect them to be stable
Consider treating 1.0 mols Ca(OH)2(s) with 1.0 L of 1.0 M HCl. How must resultant system-pH and solubility(s) of Ca(OH)2 compare to pH and s(Ca(OH)2) sat'd in d. H2O(l). Why. Do the analysis which resolves the issue.
The 14C-Labeled glyceraldehyde 3-phosphate was added to a yeast extract. After a short time, fructose 1,6-biphosphate labeled with 14C at C-3 and C-4 was isolated. Explain what was the location of the 14C label on the starting glyceraldehyde 3-pho..
Show mathematically that addition of a common ion will decrease the ionization of a weak acid OR a weak base
A 21.6 mL volume of 0.107 M NaOH solution, reaches the stoichiometric point in the titration of a 25.0 mL aliquot of nitrous acid, HNO2. What is the molar concentration of the HNO2 solution
What is the molarity of a solution prepared by dissolving 4.92 g of calcium nitrate, Ca(NO3)2, in 250 mL of water? (The molar mass of Ca(NO3)2 is 164 g/mol.)
Include square brackets around the coordination complex. Do not include the oxidation state on the metal. Use parentheses only around polyatomic ligands. For ethylenediamine use (en) in the formula.
In a Sn1 reaction, define what will happen to the rate of the reaction if the concentration of nucleophile is decreased by 50%. Explain what if the reaction is Sn2
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