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The solubility of a slaked lime, Ca(OH)2, in water is .185g/100mL. What volume of .00400 M HCl is needed to neutralize 10.0mL of a saturated Ca(OH)2 solution?
Draw an energy diagram for the enthalpy of solution of NaCl given that the lattice energy is 773 kJ/mol, the enthalpy of hydration is -769 kJ/mol with an enthalpy of solution equal to 4 kJ/mol.
dissolved in water to produce a 0.0125 M solution. The pH of the resulting solution is 6.39. Calculate the Ka for the acid.
Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species
What atomic or hybrid orbitals make up the sigma bond between I and I in triiodide ion, I3-?. What is the approximate I-I-I bond angle?
The pressure on 200 ml of oxygen gas changes from 380 mm hg to 760 mm hg. The temperature does not change. What is the new volume of the oxygen gas?
An oxygen bottle containing a fixed volume oxygen gas has a pressure of 800.00 mm hg and a temperature of 295 k. If the bottle is heated to 328k what will the pressure of oxygen gas be within the bottle and which law will you use to solve it?
without special correlation. What is the range width of the actual number of people present at the Station at any given moment? (For concreteness, assume the fluctuations do not exceed one sigma)
An elemental analysis of X shows that the mass percentage composition of the compound is 26.86% C and 2.239% H, with the remainder being oxygen. A mass spectrum of X yields a molar mass of 90.0 g/mol. Write the empirical formula of X.
The compound Mg(OH)2 is basic, but Si(OH)4 is an acid (silicic acid). Why? Select all that apply. 1. The OH groups attached to the silicon atom in Si(OH)4 strengthen the OH bond so that a hydrogen ion dissociates when the compound is dissolved in ..
If 35.0 g H2O at 22.7 °C is combined with 65.0 g H2O at 87.5 °C, what is the final temperature of the mixture. The specific heat capacity of water is 4.184 J/g×K.
Describe how redox titrations are carried out and draw a labeled sketch of a typical redox titration curve.
The solubility of lanthanum iodate at a certain temperature is 9.55 x 10^-4. What is the Ksp of this compound at that temperature
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