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Consider a weakly ionized plasma in Ar. Estimate the minimum ionization fraction above which the electrons are scattered mostly by ions rather than by neutral atoms. Provide your answer for 3 values of electron temperature: 0.1 eV, 1 eV, and 5 eV.
Consider an infrared grating with 84.0 lines per mm and 15.0 mm of illuminated area. calculate the first-order resolution (λ/Δλ) of this grating. How far apart in cm^-1 must two lines centered at 1200 cm^-1 be if they are to be resolved.
Determine the number of moles of aluminum in 38.8 g of Al. How many atoms are in 5.54g of F2? Here is one way to produce methan
The Ksp of CuI is 1.1X10^-12. Find Ecell for the cell: Cu(s)|I^-(aq)(1.0M)||Cu^+(aq)(1.0)M|Cu(s)
A buffer solution is prepared by dissolving 0.35 mol of NaF in 1.00 L of 0.53 M HF. Which of the following is true about the chemicals in solution?
An oxygen molecule having the average velocity at 300K is released from the earth's surface to travel upward. If it could move without colliding with other moleucules, how high would it go before coming to rest. How high could it go if it had the ..
Describe how chemical labeling and crystal structures can be used to determine residues important
Cotyledons Experiment- I need some help on the Induction of nitrate reductase by NO3- in radish seedling cotyledons: 20 pairs of cotyledons are incubated for 4 hours with different solutions, Solution A: K2SO4, MgSO4, Ca(H2PO4)
a hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. how many grams of water
a 130g piece of metal is heated to 286C and dropped into 87.0g of water at 26C, if the final temperature of the water is 58.3C.
1. Since PV = C, P isinversely proportional to V. If V is increased from 20L to 40L, P will decrease by half. When volume doubles, pressuredecrease by half.
What is the meaning of the term sizing as used in the textile industry. Name the substances used in sizing.
The thallium (present as Tl2SO4) in a 9.043 g pesticide sample was precipitated as thallium(I) iodide. Calculate the mass percent of Tl2SO4 in the sample if 0.3524 g of TlI was recovered.
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