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A flask is charged with .100 mol of A and allowed to react to form B according to the hypothetical gas-phase reaction A-->B. The following data are collectedtime: 0 40 80 120 160mols of A: .100 .067 .045 .030 .020
a.) calculate the number of moles of B at each time in the table.b.) calculate the average rate of disappearance of A for each 40-s interval, in units of mol/s.c.) what additional information would be needed to calculate the rate in units of concentration per time?
the resulting solution required 38.10mL of 0.08765M AgNO3(aq)to precipitate the Cl(aq) and BrCl(s)and AgBr(s) calculate the mass percetage of NaCl(s)in the mixture
Draw the repeat unit of the copolymer used for artificial skin growth, which is formed by condensation polymerization of lactic acid and glycolic acid.
What would account for the smaller amount of napthalene collected. Mothballs in a closet gradually disappear over time. What happens to this material
Octane has a density of .692 g/ml at 20 degrees Celsius. how many grams of O2 are required to burn 1.00 gal of C8H18.
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
Describe a procedure that might be used to separate p-dichlorobenzene
Nitrogen gas has a Henry's law constant k = 6.3 × 10-4 M/atm at 25°C. The "bends" in divers results from bubbles of N2(g) being rapidly released from body fluids when a diver ascends to the surface too quickly.
When determining the effective nuclear charge for a 1s electron, Slater's rules dictate that the other 1s electron must have a value of 0.30 not 0.35. Why?
Calculate the mass of water formed by the complete reaction of 935 g of propane (C3H8) with excess oxygen. (Write a balanced equation)
Write the net ionic equations for & the reactions occurring for each cation in the group.
The osmotic pressure,pie , of a solution of glucose is 83.1atm . Find the molarity of the solution at 298k .
find the contour length (chain length) for a fully extended polythylene molecule that has a degree of polymerization of (n=45000),given that the length of c-c bond is 1.54 Ao.
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