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When Na2SO3 is dissolved in water, resulting solution is basic. Write a chemical equation to explain qualitatively why the solution has that pH.
Calculate the standard enthalpy change, the standard entropy change, and the standard free energy change for the reaction: N2 (g) + 3 F2 (g) ? 2 NF3 (g) How will the sign of ?G change as the temperature increases
Classify each of the following as a binary ionic compound, ternary ionic compound, binary molecular compound, or ternary oxyacid. 1.) Hydrazine, N2H4 2.) Nitrous Acid, HN02(aq) 3.) Cobalt(II) Nitride, Co3N2 4.) Sodium Nitride, NaNO2
Dissolve Ca(OH)2(s) into a 100 mL solution containing 2.00g of dissolved CaCl2. The satureated Ca(OH)2 solution has an equilibrium pH of 11.68. Determine the molar solubility and the Ksp for Ca(OH)2 from this single pH measurement.
describe the voltaic cell and half cell components and write the shorthand notation for the following oxidation-reduction reactions: a)Mn(s)+Sn^2+(aq)>Mn^2+(aq)+Sn(s) b) Ni(s)+2Ag^+(aq)>Ni^2+(aq)+2Ag(s)
Which of the following statements is correct concerning the neutralization of sulfurous acid by a strong base 2OH-(aq) + H2SO3(aq) SO32-(aq) + 2H2O(l)
a positive ion ESI mass spectrum of a protein showed a peak at m/z = 1001 resulting from the adition of 10 protons. what is the actual mass of the uncharged protein?
a new element has been added to the periodic table. its atomic number is 119. what is its mass in comparison to other elements, what are some properties of this new element, and what would be the elements atomic radius.
What purpose does Acetic Acid serve in the hypochlorite oxidation of cyclohexanol? What advantages does the hypochlorite oxidation offer over conventional methods such as chromium oxidation?
Calculate the mass (in grams) of the product formed when 15.64 g of Cl2 reactant completely reacts. Assume that there is more than enough of the other reactant.
A scientist wishes to prepare a 1L sample with the approximate composition of seawater for use in the laboratory: what reagents would you recommend and what mass of each
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
A pressure of 0.600 atm of nitrosyl chloride is sealed in a flask and allowed to reach equilibrium. If 27.0% of the NOCl decomposes, what is the equilibrium constant for the reaction?
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