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The rate law for a hypothetical reaction is rate=k[a]2. when the concentration is .10 moles/liter, the rate is 2.7 times 10-5 moles/liter second. what is the value of k?
A volume of 725 mL of a gas is collected at 105 degrees C and 746 torr. The gas sample weighs 1.92 grams. what is the gas.
Calculate a) the amount of ethylene glycol required. b) the amount of by product evolved and c) the amount of polyester produced.
what is the molarity of a sodium hydroxide solution if 34.85 mL of the soution neutralizes 1.883 grams of pure KHP?
determine the average separation distance between the quantum dot and an adjacent gold nanoparticle for the molecular beacon (in the absence of the target sequence).
At equilibrium the pressure of NH3 (g) is 1.23 atm. NH4Cl (s) ---> NH3 (g) + HCl (g) Find the equilibrium constant Ka for the reaction
The ultimate analysis of a coal is 80% carbon, 4% hydrogen, 2% oxygen, and the rest ash. The flue gases are 60 F and 14.7 psia (15.6 C and 101.3 KPa) when sampled and are 80%, nitrogen, 12% carbon dioxide
Determine the total number of double bonds and/or rings for a hydrocarbon
How would the results differ if you added sodium p-toluate instead of p-toluic acid to the two-layer mixture of tert-butyl methyl ether and water
The melting point of a pure compound is 152-153 C. Describe the melting behavior for this compound if it is contaminated with 5% of an impurity.
Tell what type of chemical reaction is represented by the following chemical equation.
A 0.6815g sample of alum is heated to drive off the waters of hydration, and the resulting KAL(SO4)2 weighs 0.3709 g. Determine the value of x AND the complete formula of alum.
Find the Qsp if The solubility product of Ag 2 CO 3 =6.2 × 10-12. Also determine whether a precipitate forms in the solution (Assume 20 dropsper milliliter.)
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