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State Butadiene (C4H6) reacts with itself at 250 degrees to form a dimer with the formula C8H12. Define the reaction is second order in C4H6. Suppose the rate constant is 4.0 x 10^-2 M^-1s^-1, and the initial concentration of C4H6 is 0.080 M, Define how long will it take the concentration of C4H6 to reach 0.400M? Also how long are the 1st and 2nd half-lives?
Complete and balance te following half-reaction. in each case indicate whether the half-reaction is an oxidation or a reduction. 1.Mo^3+(aq)-->Mo(s)(acidic or basic solution)
A solution of H2SO4(aq) with a molal concentration of 4.80 m has a density of 1.249 g/mL. What is the molar concentration of this solution
As a technician in a large pharmaceutical research firm, you need to produce 400 mL of 1.00 M potassium phosphate buffer solution of pH = 7.29. The pKa of H_2PO_4^- is 7.21.
which reagent will be in excess? What will the concentration of the of the excess be?
what is the density of the block? How to approach the problem The apparent mass of the object in the fluid, 5.6 , is equal to its mass in air, 50.0 , minus the mass of the displaced fluid
An "empty" container is not really empty if it contains air. How may moles of nitrogen are in an "empty" two-liter cola bottle at atmospheric pressure and room temperature (25 C)? Assume ideal behavior. the partial pressure of nitrogen in air at 1..
Aluminum oxide is formed from the reaction of metallic aluminum with oxygen gas. How many moles of Aluminum are needed to form 3.4 moles of Aluminum oxide.
The dimensions of aluminum foil in a box for sale in supermarks are 66 2/3 tards by 12 inches. the mass of the foil is 0.83kg. If its density is 2.70g/cm^3
0.113 m aqueous solution of a weak acid, HA, is 2.23% ionized. At what temperature does it freeze? Kf for water = 1.86o C/m.
Why does B2H6 not have the same kind of structure as C2H6. Draw the structure that B2H6 does have and describe the nature of the two sorts of BH bonds therein.
question exactly one milliliter of palmatic-b acid is thrown into a lake. the solution is is undiluted. it spreads out
imagine that you have a 5.00 gas tank and a 4.00 gas tank. you need to fill one tank with oxygen and the other with
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