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A commercial cylinder contains 6.91 m3 of O2 at 15.18 MPa and 21oC. The critical constants for O2 are Tc = -118.4 oC and Pc = 50.1 atm. Determine the reduced temperature and pressure for O2 under these conditions.
Initially a container contains 0.75 M HBr and no product. What is the equilibrium concentration of HBr if the equilibrium concentration of H2 is 0.14 M
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 38 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
The thyroid horone thyroxine has the chenical formula C15H11Iodine4NO4. How many milligrams of C15H11Iodine4NO4 can be produced from 4.31x10^2 mg of iodine atoms, about twice the amount that a typical adult consumes in one day
Consider a steel tank whose volume is 65.0 and which contains gas at a pressure of 16500 at 21.What mass of does the tank contain?
how would you make 100ml of a buffer with a pH =4.25, starting with 0.25 M acetic acid and 0.25M sodium acetate
when 284.5 g of ethylene c2h4 burns in oxygen to give carbon dioxide and water how many grams of co2 are
compare in your mind 3 different liquids pure ethanol a 50 ethanolwater mixture and a 50 ethanolmethanol mixture. rank
predict if the following conditions would result in the formation of a preecipitatea. 0.0025 m fe3 at ph 6.00b. 0.0025
electrons having this speed would need to be treated as waves in atoms because the wavelength is on the order of the size of atoms.
what can we conclude about the energy required to excite an electron from n=5 to n=6 versus the energy required to excite an electron from n=4 to 5.
Explain the differences between ionic bonding and covalent bonding, and how each type of bonding affects solubility, melting and boiling points, and reactivity of compounds. Include at least 2 examples of each and organize your information in a ch..
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