f the heat of precipitation of barium sulfate is -1473.2 kJ/mol, what is the heat of solution (barium sulfate dissolving in water) of barium sulfate? Heat of precipitation: Ba2+(aq) + SO42-(aq) → Ba(SO4) (s)           ΔH = - 1473.2 kJ/mol

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Q: 1. What are the step by step process of Calorific Test of Gaseous Fuel?

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Q: 1. KMnO4 HO™, heat 2. H₂O* the following reaction. (If no reaction, draw the starting material.)…

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Q: For a certain chemical reaction, the equilibrium constant K = 2.8 x 104 at 5.00 °C. Calculate the…

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Q: Label the molecule shown as chiral or achiral. ū Br munc

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Q: When 3.5 g of CaF2 (an insoluble salt, Ksp = 3.9 X 10-11) is added to water to make 200. mL of…

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Q: How many grams of chromium(II) nitrate, , must be dissolved to prepare 300. mL of a 0.166 M aqueous…

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Q: What is the name of this molecule? Don't forget to include stereochemistry! Br OH

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Q: The definition of molarity (a concentration unit) is moles of ____ _____ per liter of ____ _____.

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Q: What is the binding energy of ¹¹¹Sb? Select one: O a. 937 MeV O b. 894 MeV O c. 768 MeV O d. 983 MeV

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Q: A). Calculate the concentration of all ions present in a 0.250 M solution of oxalic (H2C2O4) acid.

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Q: heated. Mg3 N₂ (s) 53 2 What volume decimal place.

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Q: In a hydride reduction mechanism, there is/are [Select] intermediate(s) that form. In an SN2…

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Q: 13.8 Would the indicated hydrogens give the same ¹H-NMR signal or different signals? H H (a) the…

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Q: 6. Over the year, the thermite reaction has been used for welding railroad rails, in incendiary…

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Q: If the rate of formation of ammonia is 0.345 M/s, what is the rate of disappearance of N₂? *N_)+…

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Q: What is the molarity of a solution that contains 4.85 moles of a solute in 750.0 mL of solution?

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Q: Which bond, below, is most polar? O OF O O NF O OH CO CF O HF CH

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Q: what is dissimilar about the following molecules: cis-retinal  trans-retinal.

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Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…

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Q: Which atomic spectroscopy is a more preferred method in the analysis of trace levels (such as ppb…

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Q: Home Work: 1. At a temperature of 300K, 30 litres of gas A kept under pressure of 1 atm and 15…

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