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Question- The enthalpy change for the reaction of titanium metal with gaseous iodine is given by the following thermochemical equation: 2 Ti(s) + 3 I2(g) ---> 2 TiI3(s) DeltaH = -839 kJ What is the enthalpy change for the reaction below? TiI3(s) ---> Ti(s) + 3/2 I2(g)
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60 MHz HNMR cannot distinguish between erythro (S,R) and threo (R, R) diols. Explain how the acetonide derivatives of these isomers can easily be distinguished by 60 MHz HNMR (include structural diagrams in the explanation).
75.0 g of PCl5(g) is introduced into an evacuated 3.00 L vessel and allowed to reache equilibruim at 250 degrees celcius. PCl5(g) PCl3(g) + Cl2(g) Kp=1.80 for this reation, what is the total pressure inside the vessel at equilibrium
If 45 mL of 0.250 M PbCl4 solution reacts with 20 mL of (NH4)2SO4, what is the molarity of the (NH4)2SO4
Determine the value for delta H solution at infinite dilution calculated from the following delta standard H of formation
A gaseous reaction occurs at a constant pressure of 50atm and releases 61.5kJ of heat. Before the reaction, the volume of the system was 7.00L. After the reaction, the volume of the system was 2.60L.
How many Protons, Neutrons, and Electron of 63Li+. What are the mass number and atomic number of each of these atoms
nitrogen fixation in the root modules of peas and other leguminous plants is carried out by the molybdenum-containing
Chlorine consists of two major isotopes with the following atomic masses: 35Cl (34.9689 amu) and 37Cl (36.9659 amu). The average atomic mass of chlorine is 35.4527 amu.
In a laboratory experiment, students synthesized a new compound and found that when 3.449 grams of the compound were dissolved in 179.2 grams of chloroform, the vapor pressure of the solution was 170.93 mm Hg.
If it is Ionic, mention which is the cation and which is the anion. Discuss how the ions formed (gaining or losing electrons and how many). If it is covalent, discuss where the covalent bonds are and draw the structure.
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
When 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water, the solution freezes at -2.16°C. What is the molecular weight of the unknown compound? Kf for water = 1.86°C/m.
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