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what is the percent yield of CCl4 if 719 kg is produces from the reaction of 410. kg of CS2
How many mL of .360M HNO3 are needed to neutralize a 22.5mL sample of .240M KOH.
A certain reaction has an activation energy of 70.0 Kj/mol and a frequency factor of A1 = 4.80×1012. A) What is the rate constant, k , of this reaction at 30.0 C
calculate the temperature of an isothermal flash drum required to vaporize 40% of a liquid mixture of 60 mole% isopropanol and 40mole% n-butanol.
Find the pH of a 0.15 M solution of ammonia, NH3. Kb = 1.8*10^-5
Define three carbon atoms bear the unpaired electron, The pentadienyl radical, CH2=CH-CH=CH-CH2, has its unpaired electrons delocalized over three carbon atoms
how many grams of potassium bromide are required to prepare 350 mL of a .200 M solution.
A sample of ammonia gas was allowed to come to equilibrium at 400 K.2NH3(g) ↔ N2(g) + 3H2(g) At equilibrium, it was found that the concentration of H2 was 0.0584 M, the concentration of N2 was 0.0195 M, and the concentration of NH3 was 0.430 M.
One radio station operates on an assigned frequency of 88.1 megahertz while another operates on an assigned frequency of 1460 kilohertz. What is the ratio of the larger to smaller value?
Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC , the freezing point depression constant for C 6 H 6 = -5.12 o C/m .
If 3.00 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution?
Explain Gibbs-Duhem Equation, In a certain binary solution, the activity of component 1 is given by
Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
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