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A 60 liter tank containing an ideal gas at a pressure of 40 atmospheres is connected by a valve to a 30 liter tank of an ideal gas at 70 atmospheres. The valve is opened slowly and the gases in the two tanks mix. Assuming the temperature throughout is constant, what is the final pressure in the tanks?
question a buffer solution is prepared by adding 0.125 mol of ammonium chloride to 500 ml of 0.500 m solution of
a 4.22g sample of cus was added to excess hcl and the resulting h2s was collected over water. what volume of h2s was
The Carbohydrate content of a glycoprotein is determined to be 12.6, 11.9, 13.0, 12.7, 12.5 g of carbohydrate per 100 g protein in replicate analysis.
Write a nuclear equation to describe the spontaneous fission of 244 Am 95 to form I-134 and Mo-107. Determine how many netrons are produced in the reaction
How many moles of NaOH are needed to react with 24.36 mL of 0.4921 M oxalic acid solution
Given Ka values of 1.0 x 10-10 and 6.8 x 10-8 for C6H5OH and C5H5NH+ respectively, calculate the equilibrium constant for the following reaction.
Calculate the pH at the equivalence point for titrating 0.170 M solutions of each of the following bases with 0.170 M HBr. a)sodium hydroxide
What is the volume in mL of 0.585 M HCl(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration
1.Which contains the most atoms of chromium? 0.025mol,6.0*10^21 atoms, or 1.5g of Cr?
When 0.100 mol of carbpon is burned in a closed vessel with 8.00 g oxygen, how many grams of carbon dioxide can form. Which ractant is in excess, and how many grams of it remain after the reaction
Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935 M HCl(aq). What percentage of the impure s..
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 540. mm Hg. What is the partial pressure of each of the gases?
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