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Problem- 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
a- What are the partial pressures of each of the components?
b- If the temperature is raised to 40 C will the parital pressuere change? if so what will be?
As much detail as feasible is really appreciated
Compute the band gap for this semiconductor material after Consideing an intrinsic semiconductor with a conductivity σ that triples between the temperature 27 degree Celsius and 57 degree celsius.
If a 0.135g sample of NaCl were placed on an ion-exchange column in the H+ form and the eluate titrated with 0.1231 M NaOH, what volume of the NaOH solution would be required to reach a phenolphthalein end point
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Given your knowledge of complex ion formation, what do you expect to happen to the solubility of ZnS(s) in a solution containing excess NH3?
A 1.4639g sample of limestone was analyzed for Fe, Ca, and Mg. The iron was determined as Fe2O3, yielding 0.0357g. Calcium was isolated as CaSO4, yielding a precipitate of 1.4058g, and Mg was isolated as 0.0672g of Mg2P2O7.
if iodine gas reacts with excess fluorine gas to produce 7.575g of iodine pentafluoride gas what was the pressure of
identify the following as elements or compounds a nh3 b n2 c co d co and e he. give the numbers of protons and
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