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What is the pH of the resulting solution when 24.88 mL of 8.00 M KOH is added to a 1.36 liter solution that has 0.63 M acetate ion CH3COO- and 0.64 M acetic acid CH3COOH? Ka = 1.76 x 10-5
For a copper zinc cell of sulfate concentration 1M the potential is see to be 1.10 volts. Calculate the potential of the cell at room temperature if the concentrate of zinc sulfate is 1.2 M and the concentrate of copper sulfate is 0.0012 M.
Container A holds 727 mL of ideal gas at 2.20 atm. Container B holds 134 mL of ideal gas at 4.20 atm. If the gases are allowed to mix together
Which of the following concentration measures will change in value as the temperature of a solution changes
Barium sulfate, BaSO4, is made by the following reaction: Ba(NO3)2(aq) + Na2SO4(aq) à BaSO4(s) + 2NaNO3(aq).
a 486 ml sample of water was cooled from 50.0degc to 10.0degc. assuming a specific heat of 4.184 jk g and a density of
The mass of 322 mL of hydrogen gas at 4.0 atm and -73°C is 1.21 grams. What is the density of hydrogen gas at STP?
Which anion gives precipitate with Ba+2 ion? Iv) Which anion evolves a gas when acid is added? V) Which anion releases an odorous gas as a product?
How many moles of air are present in the RV at 1.0 atm and 37oC? b) How many molecules of gas are present under these conditions
Calculate the unit-cell edge length of the densest diamond. Assuming the cell dimensions are fixed, how many C atoms are in the unit cell of the diamond with the lowest density
What is the (balanced) net reaction for the complete oxidation of glucose via glycolysis followed by the citric acid cycle? Remember to include whether there are any (and if so how many) ATP/GTP produced from ADP/GDP
Predict which of the compounds should undergo a more rapid reaction with potassium tert-butoxide. EXPLAIN your REASONING and give the product of the reaction?
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
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