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An elementary reaction has the reactant H2O2 breaking down to form H2O2. While the concentration of H2O2 is .500 M, the preliminary rate is .00832 moles per liter per second (M/s). While the concentration is improved to 1.00 M the rate was 0.06656 M/s. explain what is the order for hydrogen peroxide in this reaction?
The hydrolysis of sucrose to fructose is first order in sucrose with a half-life of 2.3e+03 s at some temperature. 1.What fraction of sucrose, expressed as a percent, would hydrolyze in 2.8 hours
A cylindrical glass tube 13.3 cm in length is filled with mercury ( density= 13.6 g/mL ). the mass of mercury needed to fill the tube is 107.5 g. calculate the inner diameter of the tube.
List the following reducing agents in order of decreasing strength under standard-state conditions: As(s), Pb(s), Fe(s)
Describe the pH of a buffer solution consisting of 100 mL containing 0.1M CH3COOH and 0.125M CH3COO- , both before and after addition of 10 mL of 0.25M HCl. Ka = 1.8 x 10-5.
A solution of calcium ions contains 5 meq/650. cm3 of calcium ion. How many moles of calcium ion does this solution contain?
If a zinc surface is corroding at a current density of 3.45x10^7 A/cm what thickness of metal will be corroded in 210 days
1. A corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint, and 29.32 mL of 0.01 M EDTA solution for a calcium endpoint.
a 0.464g sample of compound containing the elements carbon hydrogen oxygen and sulphur was burned completely yielding
A 2059-kg elevator moves with an upward acceleration of 2.0 m/s2. What is the tension in the cable that supports the elevator
How many atoms are contained in a titanium sphere having a diameter of 18 mm? The density of titanium is 4.506 g/cm3. Calculate the volume of 5.2 mol of water. Assume that the density of water is 1 g/mL.
Will nitric acid digest and contaminate a sample with additional carbon if it is filtered with a cellulose filter paper?
What is the molar mass of lysine if 750.0 mL of a solution containing 8.60 g of lysine has an osmotic pressure of 1.918 atm? T = 25.0°C
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