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A compound is observed to follow first order reaction kinetics with a half-life, t1/2, of 8 s. how long will it take the initial concentration to be reduced to 25%
The activation energy of a reaction is 56.8kJ/mol and the frequency factor is 1.5*10^11/s. Calculate the rate constant of the reaction at 26degrees C
collected over water at 22 degrees C and the total pressure of the wet gas were 710 mm Hg, what would be the partial pressure of the oxygen?
A steel cylinder with a volume of 19.5 L contains N2 gas at a pressure of 91.0 atm and a temperature at 0 C. Determine the mass of N2 in the cylinder
Chlorination via radical halogenation is a very unselective process and can lead to the formation of all three of the below products. Estimate the relative percentages of each product that will be formed using this means of halogenation. Presume t..
which of these ionic solids would have the largest lattice energy?a. naclb. nafc. cabr2d. csie.
Calculate the amount of heat required to completely sublime 68.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kj/mol.
The rate constant for the first order decomposition of SO2Cl2 is 1.37 x 10^-3 min-1 at a certain temperature. If the concentration is initially 0.500 M, predict it after 300 min.
At 25 degrees Celsius, the reaction: H3O+ + NH3 --> NH+ + OH- is first order in each reactant, and has a rate constant of 4.3x 10^10 M^-1 s^-1
72.0 mL of a 1.40 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 161 mL of water. What is the final concentration.
Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3) as water, calculate the heat (in J) transferred to the surroundings, qsurr.
For one of the solutions you make up for this week's experiment, 8.00 mL of 2.0E-3 M iron(III) nitrate solution is mixed with 1.00 mL of 2.0E-3 M potassium thiocyanate solution,
Suggest syntheses for the following compounds from organic compounds from organic compounds containing no more than four or fewer carbon atoms and any other necessary inorganic reagents.
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