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Discuss the Hazard classification of areas; class, group, division with respect to flammable gas atmosphere in a chemical process industry and Outline the Principles and standards of intrinsic safety, techniques in the design, use of intrinsically safe devices, and selection the Method of Protection.
A 1-L flask is filled with 1.10 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.20 atm . What is the partial pressure of argon,PAr , in the flask?
This aqueous mixture then reacts with excess aqueous lead (II) nitrate to form 21.75g of solid. Determine the mass percent of sodium chloride in the original mixture?
the molar heat of fusion is 6.02 kJ mol-1, obtain an expression in terms of A and D that gives the total heat needed to melt the block of ice if its temperature is the normal melting point.
a balloon is filled with helium. its volume is 5.9 at 26degrees celcius. what will be its volume at 278 degrees celcius?
Ionization energy is the energy needed to eject an electron from an atom or ion. Calculate the ionization energy, IE
what is the molarity of a solution of silver perchlorate agclo4 if 3.2 moles of silver perchlorate is dissolved in 1.5
A container with a removable partition contains gas A and gas B. Gas A is at 400K and 10.0 atm and gas B is at 400K and 4.00 atm. The partition is removed and the gases mix.
How many mL of 3.00 M H2SO4 are required to react with 4.35g of solid containing 23.2 wt% Ba(No3)2
Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq), and 0.03 mol/kg in NaBr(aq).
Calculate the kinetic energy of the goose in joules if the goose has a mass of 16.8lb (pounds) and is flying at 10.3miles/h (miles per hour). ?
what fraction of the band would be filled with electrons? Assume that all valence bands (5s, 4d, and 5p) overlap. Show your work and your resulting band diagram.
Germanium forms a substitutional solid solution with silicon. Compute the weight percent of germanium that must be added to silicon to yield an alloy that contains 4.43 × 1021 Ge atoms per cubic centimeter
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