### How many grams of hydrogen peroxide are needed

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Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide?

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 Ethyl chloride vapor decomposes by the first-order reaction : Ethyl chloride vapor decomposes by the first-order reaction C2H5Cl --> C2H4 + HCl The activation energy is 249 kJ/mol and the frequency factor is 1.6 X 10^14 s^-1 The rate constant at 730 K is 2.4 x 10^-4 s^-1. 1) What will the volume be : A sample of gas occupies 1.55L at STP. Remember, pressure at STP is 1.0 atm. What will the volume be if the pressure is increased to 50 atm while the temperature remains constant What are the creditors claims on the assets : ABC Corporation has assets of \$1.35 million, common stock of \$351,000, and retained earnings of \$214,000. What are the creditors' claims on their assets? The reaction contains significant amounts of products : The equilibrium lies far to the right. The reaction will proceed very slowly. The reaction contains significant amounts of products and reactants at equilibrium. The equilibrium lies far to the left. How many grams of hydrogen peroxide are needed : Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide? What is the value of the equilibrium constant, : A saturated solution of silver(I) hydroxide, AgOH has a pH of 10.15. What is the value of the equilibrium constant, Ksp, for this system? Economic-order-quantity model to determine optimal order : Clothes, Inc., has an average annual demand for red, medium polo shirts of 25,000 units. The cost of placing an order is \$80 and the cost of carrying one unit in inventory for one year is \$25. a. Use the economic-order-quantity model to determine .. What is the ph of the solution : A 10.00 mL 0.25 M formic acid sample is being titrated with 0.25 M NaOH. What is the pH of the solution after adding 15.00 mL NaOH solution?? Ka=1.8x10-4 How long will it take them to have a total savings account : If their account earns 6 percent per year compounded quarterly, how long will it take them to have a total of \$20,000 in their savings account?

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