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What is the pH of a solution prepared with 25 ml of 0.134 sodium acetate and 25 ml of 0.200 M of acetic acid?
what would be two examples of reductive alkylation of N-methylbenzylamine and formaldehyde
A solid that weighs 0.008kg . Put the solid into a gradulated cyliner filled with water and the volume increases by 10cm 3 what is the denity?
Show by writing appropriate chemical equation how each of the following conversions could be achieved: 2-hexyne from 1,1-dichlorobutane.
NaOH solution to raise the PH of the waste stream to PH 10, determine the flow rate of NaOH solution in (Gal/min). Assume ideal solution conditions
Which statement best desrcibes the energy change as bonds are formed and broken in this reaction ?
hydrogen is collected over water, two gases are present hydrogen and water vapor.calculate partial pressure of hydrogen gas. Barometric pressure = 773.94 mmhg.
calculate OH for a solution formed by adding 5.80 mL of 0.190 KOH to 20.0 mL of 7.5×10-2M Ca(OH)2.
Determine the partial pressure and total pressure of each gas in the vessel and process of reaction runs until eighty five of the Oxygen is used and the vessel get cooled to its starting or initial temperature.
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
Calculate the volume of 6.00 M NaOH that can be added to a buffer composed of 0.160 mol CH3CHOHCO2H and 0.179 mol CH3CHOHCO2- in 500 mL water before the buffer capacity is exceeded.
The chemical reaction that causes aluminum to corrode in air is given by 4Al+3O2 Al2O3 in which Hrxn = %3352 kJ rxn = %u2212625.1 J/K) What is the Gibbs free energy for this reaction at 5975K ?
The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 5,284kJ of heat is needed from the combustion, how much carbon (g) must be consumed
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