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The total heat of hydration of 1 mol of gas Li ions and Cl ions is -865 kJ. The lattice energy of LiCl is 828 kJ/mol. Calculate the heat of solution of LiCl.
Calculate the vant hoff factor of Na3PO4 in a .40 m solution whose freezing point is -2.6C
The oxygen atom with its 2s orbital forms a s bond with one of the three sp2 hybrid orbitals of the carbon atom; the two hydrogen atoms with their 1s orbitals each form a s bond with one of the three sp2 hybrid orbitals of the carbon atom.
2C8H18(l) + 25O2(g) => 16CO2(g) + 18H2O(l) ?H = -11,200. kJ Standard enthalpies of formation, ?Hf: CO2(g), -393.5 kJ/mol; H2O(l), -285.8 kJ/mol Use the above data to calculate the standard enthalpy of formation of octane, C8H18(l).
solve the given problem while considering that the rate coefficients for initiator dissociation propagation and
In a graph pH vs volume of NAOH(ml). Shows an equivalence point of 7.00. This graph is? 1.strong acid weak base? 2. Weak base and weak acid? 3. strong acid and strong base? 4 weak acid strong base
a sample of argon gas is at a pressure of 1.24x10^4 kpa and a temperature of 24c in a rigid 25-L tank. How many moles of argon does this tank contain?
How many grams of hydrogen can be theoretically formed. How much of which reactant will be left after the reaction is over
If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
A two-bulbed flask contains seven particles. What is the probability of finding all seven particles on the left side. please show and explain how you got the answer. A. 3.10% B. 0.32% C. 0.78% D. 0.93% E. 0.13%
Choose the answer which presents the chemical formulas NF3, NaBF4, and BF3 in order of increasing solubility of the substances with these formulas in hexane (lowest solubility listed first)
Concentration : Dilution Problem, A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was ..
Draw the structural formulas for any three compunds with the molecular formula C4H10O. If its an alcohol, classify each alcohol as primary, secondary, or tertiary?
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