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Problem- 2HNO3+BaOH--> 2H2O (BaNO3)2
A 0.105-L sample of an unknown HNO3 solution required 25.5 mL of 0.100 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?
As much detail as probable is really appreciated
Presume a reaction occurs in which 38mL of O2 (g) is created in a vessel at a temperature of 28C as well as pressure of 740 mm Hg. Explain how many moles of O2 were created
Hydrogen Sulfide decomposes to the reaction 2H2S--->2H2+S2. Delta S= 78.1 j/k and the Delta H=169kJ. At what temperature would the reaction be spontaneous
calculate the molar mass of vitamin c where a solution contains 55.0 g of vitamin c dissolved 25.0 g of water. the
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Consider titrating 15.0ml of a .245M solution of hydazine, H2NNH2, with a .453M HCl solution. The Kb value for hydrazine is 1.3x10^-6 b) what volume of HCl needs to be added to the solution in oder to have a bffer system with the maximum capacity ..
Consider the following thermochemical equations : 8Mg(s) + Mg(NO3)2(s) ? Mg3N2(s) + 6MgO(s) ?H°rxn = -3884 kJ Mg3N2(s) ? 3Mg(s) + N2(g) ?H°rxn = +463 kJ 2MgO(s) ? 2Mg(s) + O2(g) ?H°rxn = +1203 kJ Use the above equations to calculate the ?H°f (in k..
In a hot flame, the emission intensities of the Sodium lines at 589 and 589.6nm are greater in a sample solution that contains KCl then when this compound is absent
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If 2.00 g of Mg reacts completely with 50.0 mL of HCI solution, what is the molarity of the HCI solution?
0.12g of compound "Y" dissolves in 10ml of acetone @ 25 deg C and 0.85g of the same compound dissolves in 10 ml of boiling acetone. If 5g of compound "Y" were to be recrystallized from 75 ml acetone, what will be the next maximum amount of "Y" tha..
Compute the number of ion pairs that would be formed in the interaction of one 5.0 MeV alpha particle with air. Presume that the formation of one ion pair requires 35 eV. Explain what other assumption did you make in your calculation
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