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Hydrogen peroxide undergoes a first-order decomposition to water and O2 in aqueous solution. The rate constant at 25 °C is 7.40 * 10-4 s-1. Calculate the volume of O2 obtained from the decomposition of 1.00 mol H2O2 at 25 °C and 740 mmHg after 20.0 min.
calculate the solubility (in mol/liter) of Al(OH)3 in a solution
A compound X has molecular ion peaks in its mass spectrum at mass 140 and 142, and shows prominent peaks in its IR spectrum at 3150-3000 and 1600 cm^-1.
Draw and label the flowchart and show the degree of freedom analysis for the overall process, the split point, the treatment unit, and the mix point.
calculate the number moles of gas in a 3.24 L basketball inflated to a total pressure of 24.3 psi at 25 c ( note: the total pressure is not the same as the pressure
a solution is made by dissolving 20.0 mL CH3CN. what is the mole fraction of methanol in the solution?
A subsequent titration revealed that the concentration of the unknown acid was 0.868 M. What was the concentration of the diluted acid om the Erlenmeyer flask?
Using electronegativity arguments, classify the following diatomic molecules as nonpolar (N), polar (P), or ionic (I). (Use the drop down menus to choose your answers
Ethyl acetate can be prepared from ethanol as the only organic starting material.
The contents of one 80. lb bag of topsoil will cover 30. square feet of ground to a depth of 1.7 in. What number of bags are needed to cover a plot that measures 600. by 700. m to a depth of 1.5 cm.
A sample of nitrogen has a volume of 605 mL at a pressure of 84.77 kPa. Assuming that the temperature is constant, at what pressure will the gas has a volume of 0.766 L
All useless answers. Shouldn't lose points if answers are not helpful. A 0.4863-g sample of primary standard sodium carbonate (Na2CO3, fw 105.988) was treated with 40.00-mL of a dilute perchloric acid (HClO4, fw 100.458) solution.
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
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