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Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.2L of a 0.11M solution of OH^- Thanks in advance.
Calculate the pH at the equivalence point in the titration of 56 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
Carbonyl bromide decomposes to carbon monoxide and bromine. COBr2 (g) ↔ CO(g) + Br2 (g) Kc is 0.190 at 73?C. If you place 0.500 mol of COBr2 in a 2.00 L flask and heat it to 73 ?C,
The gas in a piston (defined as the system) is warmed and absorbs 670 J of heat. The expansion performs 347 J of work on the surroundings. What is the Change in internal energy for the system?
If oxygen gas were collected over water at 22 C and the total pressure of the wet gas were 650 mm Hg, what would be the partial pressure of the oxygen?
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process
Dehydration of 2-methylcyclohexanol gives small amounts of 1-ethyl-cyclopentene. Write a mechanism to account for this product.
If an automobile airbag has a volume of 9.80 L, what mass of NaN3 is required to fully inflate the airbag upon impact under conditions of atmospheric pressure (1.00 atm) and room temperature (25 C).
with a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution. The soution in contact with the graphite ..
A transition mutation for the second codon of glu would result in a gly. Explain the consequences of this, if the glu that was mutated was in the central region of a alpha-helix
What is the final state of the system when the piston has stopped and there is a balance of forces across the piston? Do not neglect the fact that during motion there may be some friction between moving parts. Consider cases in which the piston is..
Arranging the atomic cores appropriately, write the Lewis structure for SiO2 in the box. Use electron pairs to show the bonds between the atoms. Distribute the remaining electrons so that each atom has an octet.
After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45 oC. What is the heat capacity of the calorimeter
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