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Problem- A 23.0 ft tall cylindrical tank, which is closed at the top and bottom. The top of the tank is filled at a gauge pressure of 30.0 psig. The tank contains a crude oil with SG = 0.820 to a depth of 19.0 ft. If the atmospheric pressure is 1.02 atm, calculate the absolute pressure (psi) at the bottom of the tank
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Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
The contents of a gas cylinder are found to contain 20% co2, 60% O2 and 20% N2 at a pressure of 740 mm Hg and 20 C. What are the partial pressures of each of the components
How many grams of CO2 are produced when 100.0 grams C4H10 are burned in an excess of oxygen as follows
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..
A sample of oxygen collected over water at 22C and 762 torr. what is the partial pressure of the dry oxygen. Vapor pressure of water at 22C is 19.8 torr
A 97 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
calculate the pH and molar concentrations of H2A, HA- and A2- for each of the solutions below:a) 0.116 M solution of H2A
Given that the standard free energy of formation of MCl2(s) and MO2(s) are, respectively, -311.5 and -286.5 kJ/mol at 25o C. What is the standard change in free energy (kJ) for the following reaction
Explain a chloride solution prepared by dissolving 0.2789 g of an unknown sample in 250.00mL as well as taking a 10-mL aliquot of the resulting solution, needs 11.21mL of the same silver nitrate solution to reach the end point
Use the Henderson and Hasselbalch equation to calculate the pH of a buffer solution that is 0.45 M in NH4Cl and 0.15 M in NH3
write chemical equations which show what happens when carbondioxide is absorbed by sodium hydroxide and when barium
calculate the ph of a buffer that is 0.158 m hclo and 0.099 m naclo. the ka for hclo is 2.9 x
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