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Use representations [A] through [I] in given figure to answer questions a-f.
(a) Two forms of iron are ferrite and austenite. One has a body-centered cubic structure, and the other takes a face-centered cubic structure. Which representations depict these forms of iron?
(b) Two allotropes of phosphorus exist- white phosphorus is a molecular solid whereas red phosphorus is a covalent network solid. Which representations depict white and red phosphorus?
(c) Which representations depict allotropes of carbon?
(d) Which representation depicts the unit cell of
(e) Which representations depict rock salt and fluorite structures?
(f) Which process is depicted in representation [F]?
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Chapter 18 Solutions
Chemistry: An Atoms-Focused Approach (Second Edition)
- Explain why only the lone pairs on the central atom are taken into consideration when predicting molecular shapearrow_forward(ME EX1) Prblm #9/10 Can you explain in detail (step by step) I'm so confused with these problems. For turmber 13 can u turn them into lewis dot structures so I can better understand because, and then as well explain the resonance structure part. Thanks for the help.arrow_forwardProblems 19 and 20: (ME EX1) Can you please explain the following in detail? I'm having trouble understanding them. Both problems are difficult for me to explain in detail, so please include the drawings and answers.arrow_forward
- (ME EX1) Prblm #4-11 Can you please help me and explain these I'm very confused in detail please. Prblm number 9 I don't understand at all (its soo confusing to me and redraw it so I can better depict it).arrow_forwardME EX1) Prblm #19-20 I'm so confused with these problems. Can you please help me solve them and explain them? Problems number 19-20, and thanks! step by step and in detail for me please helparrow_forwardCalculate the flux of oxygen between the ocean and the atmosphere, given that: Temp = 18°C Salinity = 35 ppt Density = 1025 kg/m3 Oxygen concentration measured in bulk water = 263.84 mmol/m3 Wind speed = 7.4 m/s Oxygen is observed to be about 10% initially supersaturatedarrow_forward
- ( ME EX1) Prblm 27-28: Can you explain to me both prblms in detail and for prblm 28 what do you mean bi conjugated bi ponds and those structures I'm confused...arrow_forwardA. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic conjugation). B. Specify whether the species is "a"-aromatic, "aa"-anti-aromatic, or "na"-non-aromatic (neither aromatic nor anti-aromatic). (Presume rings to be planar unless structure obviously prevents planarity. If there is more than one conjugated ring, count electrons in the largest.) 1. A.Electrons in a cyclic conjugated system. 18 B.The compound is (a, aa, or na) a 2. A.Electrons in a cyclic conjugated system. 10 B.The compound is (a, aa, or na) naarrow_forwardWater is boiling at 1 atm pressure in a stainless steel pan on an electric range. It is observed that 2 kg of liquid water evaporates in 30 min. Find the rate of heat transfer to the water (kW).arrow_forward
- Could you please turn this into a complete Lewis dot structure formula for me so I can visualize it more clearly? and then do the explaining for the resonance structures that were given please.arrow_forwardCould you please turn this into a complete Lewis dot structure formula for me so I can visualize it more clearly? and then do the explaining for the question.arrow_forwardplease solve. If the answer is "no error" and it asks me to type something, and i typed a-helix, its always wrong.arrow_forward
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