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Determine the ΔH0 for the reaction(make sure to balanced the equation)
C2H5OH (liq) +O2(g) ------ CO2 (g) + H2O(g) reaction at 398 kevin and show the thermo-chemical cycle that accounts for each step necessary to calculate ΔH0 at a temperature removed from 298 kelvin.
what is the concentration of ammonia in a buffer containing 0.10M ammonium chloride at a pH 10.6?
what is the balanced equation for the main reaction? equation for important side reactions? why was ethanol, not methanol, used as the organic solvent?
Describe how a cation exchange resin and a solution of NaOH with a known concentration could be used to determine the amount of NaCl in an aqueous solution
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 32.0 mL of 0.480 M Cd(NO3)2 solution?
When a sample of molten MgCl2 and a sample of aqueous MgCl2 are electrolyzed with inert electrodes different products are obtained. Determine the product of the electrolysis of each sample and explain why there is a difference.
Tartaric acid is dissolved into distilled water and then diaminocyclohexane is added. What sort of reaction is taking place between tartaric acid and a-methylbenzylamine
giving that water has a molar enthlphy of vaporization of 40.79 kJ/mol, how many grams of water could be vaporized by 623 J
What is the concentration of the sodium ion (in M) in a solution of 0.681 M sodium chloride
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of NO2(g).
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used
Calculate the volume of 1M solution of HCL needed for 1 unit shift of the pH of the following solutions: A. 100 mL of 0.01 M solution weak acid (pKa = 6) and 0.05 M of its sodium salt
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