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(a) The P4,P4,O6,and P4O10 molecules have a common structural feature of four P atoms arranged in a tetrahedron (Figures). Does this mean that the bonding between the P atoms is the same in all these cases? Explain.
(b) Sodium trimetaphosphate (Na3P3O9) and sodium tetrametaphosphate (Na4P4O12) are used as water-softening agents. They contain cyclic P3O93- and P4O124- ions, respectively. Propose reasonable structures for these ions.
Explain how use of 3 M HCl(aq) could separate it from the other components. To do so: show how acid would change the molecule; identify the phase in which this new species would be isolated in a separatory funnel and explain why it would be found the..
How would you determine the dS and dH for Cu2+ binding soil given K (distance) values at two different temperatures
consider oxygen at 100 bar and specific volume of 0.08.a calculate the temperature t using the van der waals equation
The blank solution utilized to calibrate the spectrophotometer is 10.0mL of 0.2 M Fe(NO3)3 diluted to 25.0mL with 0.1 M HNO3. Explain why is this solution preferred to simply utilize de-ionized water for the calibration
when backpacking in the wilderness hikers often boil water to sterilize it for drinking. suppose that you are planning
What is the significance of high pressure used in HPLC?
A 0.5000-g sample containing NaHCO3, Na2CO3, and H2O was dissolved and diluted to 250.0 mL. A 25.00-mL aliquot was then boiled with 50.00 mL of 0.01255 M HCl. After cooling, the excess acid in the solution required 2.34 mL of 0.01063 M NaOH when t..
A garage that specializes in foreign cars had a small magnesium fire when a car part was ignited. The mechanic knew from his training that he should not use water but could use a dry powder like a sodium chloride based fire extinguishing powder (MET-..
determined using x rays methods. Remember a, b, c are unit cell dimensions . X', y' and z' are intercepts. Only the information you need is given . You may encounter as unusual rarely formed face
nitrogen gas is usually available in 60 l steel tanks at a pressure of about 2200 psi. if the gas is at room
Calculate the empirical formula for a chemical compound which gives the following analysis: 12.6 percent lithium, 29.2 percent sulfur, and 58.2 percent oxygen.
If a 55 laboratory mouse is exposed to 21.5 rad of radiation, how much energy was absorbed by the mouse's body
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