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Question- The equilibrium concentrations of NH3, N2 and H2 are 0.25M, 0.11M and 1.91M, respectively. The equilibrium constant kc for the reaction N2(g) + 3H2(g)======2NH3(g) is
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A 25.0 mL sample of 0.20 mol L-1 HNO2(aq) is titrated with 0.20 mol L-1 KOH(aq) at 25oC. What is the pH AT THE Equivalence point?(FOR HNO2,Ka=4.50x10^-4 at 25oC)
If 15.00mL of a 1.00 M HCl solution is mixed with 25.00mL of a 0.250 M NaOH solution in a process that produces 273 mg of NaCl, explain what is the percent yield? A 25.00mL sample of vinegar acetic acid is titrated to neutralization with 22.64mL o..
a student sets up two reactions. reaction 1 uses 0.210moll of reactant and reaction 2 uses 0.550moll of reactant. how
what partial pressure of hydrogen gas is required in order for 0.00426 g of the gas to dissolve in 20.7 ml of pure
You can make an ester from a carboxylic acid as well as an alcohol or hydrolyze an ester to the corresponding alcohol as well as carboxylic acid under similar conditions but at identical temperatures.
What is the relationship between 2,2-dimethyl[2.2.2.0]tricyclooctane and 3,3-dimethyl[2.2.2.0]tricyclooctane. A. they are constitutional isomers
Dinitrogen pentoxide is a product of the reaction between P4O10 and HNO3. Balance this reaction and calculate the theoretical yield of N2O5 if 79.7 g of P4O10 are reacted with excess of HNO3.
Calculate the degree of unsaturation number of missing H2 units relative to an alkane for the Compound with the molecular formula C 16 H13 N2 O CI Enter your response as an integer number
0.40 moles of a diprotic acid, H2A, is dissolved in 250 mL of water. The Ka1 of this acid is 1.0 x 10E-5 and Ka2 is 1.0 x 10E-9. What is the concentration of the di-anion, [A^2-], in this solution (in M)
Find out the density of a piece of metal a student finds it's mass to be 13.62 g. The metal is placed into a flask that can hold exactly 25.00mL. The student determines that 19.26 g of water is required to fill the flask.
Calculate the pH at the equivalence point for the titration of 0.210M methylamine(CH3NH2) with 0.210M HCl. The Kb of methylamine is 5.0*10^-4
When 5.0 g of CaCl2 was dissolved in 50ml of water in a coffee cup calorimeter, the temperature of the solution rose from 22.3 C to 30.5 C. What is the q solution in Joules and what is the q rxn in Joules?
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