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The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj?mol. when 2.9683 g of benzoic acid are burned in a calorimeter, the temperature rises from 21.84 C to 24.67 C. What is the heat capacity of the bomb?
Predict which of the following compounds has the greatest lattice energy. A. SCl6 B. AlCl3 C. NaCl D. MgCl2 E. PCl5
If the initial concentration of HD(g) is 8.433 mol/L, calculate the % of HD(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at -173.0 °C is 0.52. The initial concentration of the reaction pro..
Choose the answer which lists the atoms Pb, Ga, Ti, Br, and Sn in order of increasing effective nuclear charge experienced by the electrons in the n = 3 electron shell.
What is the lead (II) ion concentration in a solution prepared by mixing 397 mL of 0.416 M lead (II) nitrate with 457 mL of 0.284 M sodium fluoride? The Ksp of lead (II) fluoride is 3.6 × 10-8
The RUBISCO catalyzed reaction is: a. Exergonic, because Ribulose-,5-biphosphate has enormous energy charge built up from previous phosphorylations
Gastric juice is made up of substances secreted from parietal cells, chief cells, and mucous-secretig cells. The cells secrete HCl, proteolytic enzyme zymogens, mucin, and intrinsic factor. The pH of gastric juice is acidic, between 1-3.
HCL and heat to do the normal lab, if the solubities of reactant and product were reversed thou , how would the isomerization be followed. How would one knows when it is complete
At what wavenumber would you expect to see an absorbance in the IR if your sample contained water as an impurity?
What is the minimum mass of each reactant necessary to produce 200 g of sulfuric acid in nthe following reaction?
The procedure instructs you to use a stir bar to mix the solution while adding NaOH. Descirbe any differences in the graph
The period 6 transition metals have greater densities than either the period 4 or 5 transition metals. An explanation concerns the 4f orbitals
Draw the full and complete mechanism for the reduction of a carboxylic acid using H2 over platinum. The product is a primary alcohol. Just use ethanoic acid as your model compound.
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