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Which of the following is NOT a common driving force in displacement reactions? a. precipitation b. evolution of a gas c. formation of a weak or nonelectrolyte d. the transfer of electrons
The pH at the ¼ neutralized point in the titration of a weak acid is 3.958. What is the pKa of this acid
first 10 drops of copper ii sulfate was placed into two wells and then a piece of string that was completely saturated
How is the half-life of a first-order reaction effected by the concentrations of the reactants?
Experiment Initial Initial Initial [A], Mol/L [B], Mol/L Rate 1 0.10 0.10 1.4 x 10^2 2 0.20 0.10 2.8 x 10^2 3 0.20 0.10 5.6 x 10^2 What is the rate law for the reaction. A) rate= k [A][B] B) rate= k [A]^2[B]^2 C) rate= k [A] D) rate= k [A][B]^2 E)..
Calculate the standard enthalpy of formation of solid diboron trioxide (B2O3) using the following thermochemical information
During the initial stages of method development, the researcher was unable to separate anthracene and naphthalene with baseline resolution. From the options below, select all possible modifications the researcher could make to improve the resoluti..
Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrogens.
If the methane contained in 2.00 L of a saturated solution at 25 degrees C was extracted and placed under STP conditions, what volume would it occupy.
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
What ions are in these solutions. cold tap water, 0,9 % NaCl (aq), 0,1 M acetic acid, 0,1 M HCl, 0,1 M NaC2H3O2 (aq), 0,1 M ammonia.
liquid stream containing ethane and propane enters a flash chamber operated at 80 oF and 300 psia. Leaving the chamber, the vapour stream flow rate leaving the chamber
When Lewis and Clark came through this area in the early 1800s they were forced to portage around the "Great Falls of the Missouri".
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