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At 570. mm Hg and 25C, a gas sample has a volume of 2270 mL. What is the final pressure (in mm Hg) at a volume of 1250 mL and a temp of 175C?
A. 1560 mm hgB. 210 mm HgC. 690 mm HgD. 470 mm HgE. 7000 mm Hg
Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added?
7.50 mL of 0.125 M HCl is added to the 100.0 mL of the buffer solution. Calculate the new [NH3] and [NH4Cl] for the buffer solution. Calculate the new pH of the solution.
In the mammalian system, typical fatty acid synthesized for energy and storage are generally have 16 carbons. However, the typical fatty acid found in breast milk is C12 to C14. Explain how the synthesis of fatty acids in the mammary glands differ..
Which of the following will not have ionic bonds?
The resulting solution is titrated to a starch endpoint with 34.81 mL of the thiosulfate solution. Calculate the concentration of the thiosulfate solution.
The initial temperature of the calorimeter is 23.0. If 6.30 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter?
A 6.52 g sample of hydrocarbon compund containing only C and hydrogen produced 20.5 g of CO2. A 9.29 ml sample weighing 21.6 mg was collected over water at a pressure of 796 torr at 25 C
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
Persistent Organic Pollutanants- Bioaccumulation Measurements, Compare the worst case scenario, i.e. the strongest tendency to bioaccumulation for each toxin.
The simplest carbene known is methylene. The non-bonded electrons can be paired (singlet methylene) or unpaired (triplet methylene).
The lab is synthesis of Methyl Red. The question is starting with the appropriate aromatic amine and using any other organic or inorganic reagent, outline a synthetic sequence for the preparation of Chrysoidine, Para red and Congo red
Calculate the equilibrium value of Pb+2(aq) in 1.00 L of saturated PbCl2 solution to which 0.250 moles of NaCl(s) has been added. Assume that no volume change occurs.
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