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While reasonably dilute HCl and AgNO3 solutions are mixed a white AgCl precipitate forms with some heat evolving. While a Na2S2O3 solutions is added to this reaction mixture the white precipitate disappears upon stirring.
A 25.00mL sample of 0.1966 M V2+ solution requires 48.97 mL of .3000 M Ce4+ for titration. The Ce4+ is converted to CE3+ in the titration reaction. What is the oxidation number for vanadium ion after the titratoin is complete
For the following reaction, 4.91 grams of sodium are mixed with excess water. The reaction yields 5.83 grams of sodium hydroxide.
One liter of a gas has a pressure of 150.00 kPa at 25.0°C. If the pressure increases to 600.0 kPa and the temperature to 100.0°C, what would be the new volume of the gas?
Intravenous medications are oftend administered in 5.0% glucose by mass. what is the osmotic pressure of such solutions at 37 C? assume that the density of the soloution is 1.0 g/mL.
Four kg of steam in a piston/cylinder device at 400kpa and 175C (448.15) undergoes a mechanically reversible, isothermal compression to a final pressure
For the blanced equation, shown below, What would be the limiting reagent if 67.6 grams of H2S were reacted with 55.9 grams of O2. 2 H2S (g) + 3 O2 (g) --> 2 SO2 (g) + 2 H2O (g)
The amino acid histidine has 3 pKa's at 1.8, 6.0 and 9.3. In a 0.01 M solution of histidine, what is the concentration of protonated carboxylic acid at pH 7.4. The primary amine. The side chain
Consider the ionic strength of the solution to be 0.10 M and consider each ionic form of aniline to have an activity coefficient of 0.77.
An electron in a hydrogen atom is excited with electrical energy to an excited state with n= 2. The atom then emits a photon. What is the value of n for the electron following the emission
nitric oxide no reacts with oxygen gas to form nitrogen dioxide.in one experiment 0.865 mol of no is mixed with 0.502
For the given reaction, 2 HCl (aq) + Ba(OH)2 (aq) BaCl2 (aq) + 2 H2O (l) 73.0 grams of HCl are allowed to react with 342 grams of BaCl2.
sample of fertilizer by the procedure of this experiment and obtain 1.000g of MgNH4PO4 * 6H20. Calculate the equivalent mass of P2O5 initially in the sample.
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