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What is the crystal lattice energy of LiI? Sublimation energy for Li is 159 kJ/mol and ionization energy for Li is 520 kJ/mol kJ/mol. Sublimation energy for I2 is 62.4 kJ/mol and dissociation energy for I2 is 152 kJ/mol. The electron affinity for I is -295 kJ/mol. The heat of formation for LiI(s) is -270 kJ/mol. 1. +730 kJ/mol 2. -215 kJ/mol 3. +215 kJ/mol 4. -730 kJ/mol
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 7.0×10^-2 M NaOH.
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An unknown element forms a yellow ion, XO . It forms a precipitate with silver ions. If 48.0 mL of a 0.250 mol/L solution of silver ions is added to a solution of the unknown ion, 1.856g of a red-brown precipitate are formed. Determine the iden..
Use equations to obtain expressions for the following partial derivative for a diatomic ideal gas, assuming that the temp of the system is sufficiently low that only translational and rotational motions are thermally active.
Find delta E, delta H, q, and w for the change in state of 1.0 mol H2O(l) at 84 degree C to H2O(g) at 109 degree C. The heat capacity of H2O(l)= 75.3 J/molK, heat capacity of H2O(g)= 25.0 J/molK, and the heat of vaporization of H2O is 40700 J/mol ..
The surface area of Earth is approximately 197,000,000 square miles. How much of Earth's surface would we need to cover with solar energy collectors to power the planet for use by all humans? Assume that the solar energy collectors can only conver..
Why would it have been expected for iodine to have emission lines that included all colors of the visible spectrum? explain
Complete and balance the following redox reaction in basic solution: H2O2 (aq) + N2H4 (aq) ? N2 (g) + H2O (l) Not sure what side gets OH- etc.
Question- Which of the following is the weakest reducing agent? Which of the following is the weakest reducing agent? Al(s) Mg(s) Al3+(aq) Zn(s) Mg2+(aq)
What amount of energy is required to completely ionize 6.2 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole?
After the removal of the solid the solution was made basic and more H2S was added and a dark precipitate again formed. Treatment of the filtrate with (NH4)2CO3 resulted in a white precipitate. If no further test were made then what conclusions can..
Consider the two waves, which we will consider to represent two electromagnetic radiations. Wavelength A has a higher frequency (2:1) than the wavelength of B.
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