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What is the rate of the following reaction (M/s) if the rate constant for the reaction is 1.08E-3 L•mol-1•s-1 and the concentration of each reactant is 0.0428 M. (The units for the rate constant depend upon the rate law).CH2O ----------> CO + H2
Calculate the mass of silver chloride required to plate 225 mg of pure silver.
For the reaction A-----)products successive half-lives are observed to be 10.0, 20.0 and 40.0 min for an experiment in which [A]o= 0.10 M Calculate the concentration of A at the following times.
The t1/2 of a second order reaction is 26.0 hours when the initial concentration of the reactant is 0.256M. How many minutes would it take for the concentration of the reactant to drop from 0.256M to 0.064M
Calculate the freezing point of a mixture that contains 4.68 g of diphenylamine (molecular weight 169.2 g/mol) dissolved in 46.64 g of cyclohexanol.
A 10.00 mL sample of a solution of hydrofluoric acid,HF, is diluted to 500.00 mL. A 20.00 mL sample of the diluted solution requires 13.51 mL of a 0.1500 M NaOH solution to be titrated to the equivalence point.
Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
In the reaction below, 6.76 atm each of Cl2 and I2 were placed into a 1.00 L flask and allowed to react: Cl2(g) + I2(g) 2 ICl(g) Given that Kc = 45.9, calculate the equilibrium pressure of Cl2.
How many photons are required to heat 295 of coffee from 25.0 to 62.0 ? Assume that the coffee has the same density, 0.997 , and specific heat capacity, 4.184 , as water over this temperature range.
a gas has a volume of 50.0 cm3 at a temperature of -73acircdegc. what volume would the gas occupy at a temperature of
The density of copper is 8.92 g/cm3 and the density o zinc is 7.14 g/cm3. Assume that the density of the brass varies linearly with composition.
Before titrating with 0.2500M HCL the initial volume of acid in the buret is read as 2.08 mL. At the end point the final volume of acid in the buret is 25.20 mL. What is the concentration of the NaOH.
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
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