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You will receive a vial containing 3.2 grams of bromobenzene. Calculate the number of moles of bromobenzene this represents; then calculate the amounts of all other reagents needed in this experiment relative to this amount of bromobenzene.
Calculate the following values at 25C using standard potentials as needed. E°cell, E cell, deltaG°rxn, and deltaGrxn
An aqueous solution containing 0.18 M of unknown base has a measured pH equal to 8.27. What is the value of pKb for the unknown base?
What amount of barium hydroxide (in moles) must be dissolved in a total of 5.00L of solution in order to have a pH of 12.00
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3 ). How much limestone in kilograms is required to completely neutralize a 3.8 x109 lake with a pH of 5.5.
4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 5.17 moles of CO2 react completely?
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
Calculate the mass of Sodium Nitrate required to prepare 50cm3 of 0.2 moll-1 solution
If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
An analysis is performed on an organic liquid with a fishy odor. Vaporization of 260.0 mg of the compound in a 190-mL bulb at 100°C gives a pressure of 410.0 torr
The student incorrectly lists the species in solution as H+, C+4, O-2. Give the correct list of species in the solution.
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency \rm 1.5\times 10^{15}~Hz
Imagine that you have a 7.00 gas tank and a 3.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
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