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A current of 5.80A passes through a CrNO3(2) soln for 1.70 hours. How much chromium is plated out of the soln?
Calculate the standard reaction enthalpy for the oxidation of nitric acid to nitrogen dioxide, 2NO(g) + O2(g) ----> 2NO2(g) from the standard reaction enthalpies of
a stock solution was prepared by dissolving exactly 0.4000 g of pure asa 180.16 gmol in 10.00 ml of naoh and heating
Predict whether each of the following groups will be o,p-, or m-directors in electrophilic aromatic substitution reactions: SCH3
If 2.5 mol of ethylene oxide are decomposed at 93 degrees C, what will be the final temperature of the products? The heat capacity of the products is 110.13 J/ molC.
How much energy is required to vaporize 158g of butane (C4H10) at its boiling point, if it has Hvap is 24.3kJ/mil
What is the initial mole of Aniline? what is the initial mole oh HNO3 if 40mL of the acid was used in the titration
How much heat is required to raise the temperature of 205 g CH3OH(l) from 22.0 to 30.0 C and then vaporize it at 30.0 C? Use data from Table 12.1 and a molar heat capacity of CH3OH(l) of 81.1 J mol-1K-1.
the hydrogen gas generated is collected over water at 25 c. the volume of the gas is 246 ml measured 1.00 atm.
given the reactionso2g 12o2g harr so3goccurring at 800 k and 1atm. the initial mixture contains 1 mol of so2 and 0.5
Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hydroxyquinoline. The extracts were diluted to 25 mL and their fluorescence was measured. What is the concentration of the zinc in the unknown solution?
When the pH of a solution is 2 units lower than the pKa of the buffer in the solution, the conjugate base/weak acid (A-/HA) is Enter a number only (no scientific notation please).
In a titration of 29.01 mLs of 0.211 M HCOOH (formic acid, Ka = 1.8x10-4) with 0.255 M KOH, how many mLs of titrant will be required to reach the equivalence point
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