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An atom of aluminum (Al) has a diameter of about 1.2 10-8 cm. (a) What is the radius of a(n) aluminum atom in Angstroms (Å)? Å What is the radius of a aluminum atom in meters (m)? m (b) How many aluminum atoms would have to be placed side by side to span a distance of 6.0 µm? atoms (c) If the atom is assumed to be a sphere, what is the volume in m3 of a single aluminum atom? m3 Can u show me how to do steps B & C in detail?
A student dissolves 0.2975 g of the unknown weak acid to give 100. mL solution. S/he obtains the following titration curve for his/her best titration. At the equivalence point, 19.0 mL of 0.1000 M NaOH was added.
Sulfur in the air reacting with silver flatware to produce tarnish, or silver sulfide. What is the limiting and excess reagents?
Explain which distilation method (fractional or simple) would be most appropriate to seperate hexanes and dichloromethane.
By comparison, what would it cost to heat the home using a ground source heating system with an electrically powered heat pump that has a COP of 5.0?
Calculate the partition coefficient of caffeine between water and each of the other three solvents. Which of these three organic solvents would be the best choice for extracting caffeine from an aqueous solution?
In the citric acid cycle, how many net atp are generated between alpha-ketogluturate and malate
During this process, 346 J of work was done by the system and its internal energy increased by 6275 J. What is the specific heat of the gas
A mixture contains 0.251 g Ar gas, 1.95 g of Xe gas and no other substances. The total pressure is 2.33 atm. What is the partial pressure of Ar? A. 1224 torr B. 527 torr C. 342 torr D. 228 torr E. 200 torr
The ratio of oxygen (Oxygen-16 and Oxygen-18) isotopes is measured and used to determine the approximate temperature during the time that part of the ice core was formed. This method is one example of a proxy. In a few sentences, explain what a pr..
At standard temperature, a gas has a volume of 241 mL. The temperature is then increased to 138C, and the pressure is held constant. What is the new volume?
A mixture consists of 323 mg of methane, 165 mg of argon, and 223 mg of nitrogen. The partial pressure of nitrogen at 275 k is 19 kPa.
How can I calculate the equilbrium constant and delta G and S given the enthalpy per mol of reaction and the final number of moles at equilbrium?
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