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When a compound containing censium ion is heated in a bunsen burner flame,photons with an energy of 4.30x 10-19 J are emitted, Explain the color of the censium flame
the ph of a calcium containing solution is adjusted by the additionof a few drops 0f 2m koh and titrated with 0.01000m
A solution is prepared by combining .025 mole CaCl2 and .015 mol Pb (NO3)2 and adding water to make 1L of solution. Will a precipitate of PbCl2 form in this solution
What is the average rate of appearance (in mol/L.s) of water vapor over the same period of time? A) 8.16 B) 9.52 C) 12.92 D) 17.53
In which state is the average distance between molecules the greatest?, Explain the difference in densities at the two temps in terms of the kinetic molecular theory.
What is the correct method for determining how many moles of calcium oxide are produced in the reaction of 10.g calcium with excess oxygen?
The same apparatus is them filled with an unknown gas at 32.3 C to a pressure of 645 mm Hg. It takes 5 hours 34 minutes and 25 seconds for the pressure to fall to 207 mm Hg. Calculate the molar mass of the unknown gas.
This standard reaction will only be spontaneous at high temperatures (T > 550 K) This standard reaction will only be spontaneous at low temperatures (T
isotope 1 has a mass of 120.9038 rm amu and a relative abundance of 57.4 and isotope 2 has a mass of 122.9041 rm amu.
A special gas mixture used in bacterial growth chambers contains 1.00 % by weight CO2 and 99.0 % O2. What is the partial pressure (in atmospheres) of each gas at a total pressure of 0.941 atm
Which substance contains molecules that will not form hydrogen bonds?
Suppose we had ran the oxidation reaction with racemic borneol. Is there an analytical technique we could use to verify that the camphor also is racemic. What type of instrumentation would you use. What kind of results would you expect for a racem..
Rank PhCH3, Ph2CH2, and Ph3CH in order of acidity Rank the following compounds from most acidic to least
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