Ebraam Awad1115161718« < 16 ofTItkayunaiCubicraphite, an allotrope of carbon, is converted into cubic diamond through a process that may take a billion years or longer. As illustrated above, scientists can make synthetic diamonds using a certain processabout one week. However, these synthetic diamonds have carbon atoms in a hexagonal lattice. Diamonds with a carbon atoms in a cubic lattice are not produced even though they are thermodynamicallyore stable than hexagonal diamond. Which of the following best justifies why the synthetic process produces hexagonal diamond and not the more thermodynamically stable cubic diamond?The amount of energy required to create new bonds between carbon atoms in cubic diamond is much greater than the amount of energy required to create hexagonal diamond.The amount of energy required to create new bonds between carbon atoms in cubic diamond is much smaller than the amount of energy required to create hexagonal diamond.CThe activation energy needed to form cubic diamond is much less than the activation energy needed to form hexagonal diamond.DThe activation energy needed to form cubic diamond is much greater than the activation energy needed to form hexagonal diamond.

Allotropes Elements having different physical properties but similar chemical properties are known…

15 16 TItkayulai Cubic hite, an allotrope of carbon, is converted into cubic diamond through a process that may take a billion years or longer. As illustrated above, scientists can make synthetic diamonds using a certain proc out one week. However, these synthetic diamonds have carbon atoms in a hexagonal lattice. Diamonds with a carbon atoms in a cubic lattice are not produced even though they are thermodynamicall stable than hexagonal diamond. Which of the following best justifies why the synthetic process produces hexagonal diamond and not the more thermodynamically stable cubic diamond? A The amount of energy required to create new bonds between carbon atoms in cubic diamond is much greater than the amount of energy required to create hexagonal diamond. B The amount of energy required to create new bonds between carbon atoms in cubic diamond is much smaller than the amount of energy required to create hexagonal diamond. The activation energy needed to form cubic diamond is much less than the activation energy needed to form hexagonal diamond. ID The activation energy needed to form cubic diamond is much greater than the activation energy needed to form hexagonal diamond.

15 16 TItkayulai Cubic hite, an allotrope of carbon, is converted into cubic diamond through a process that may take a billion years or longer. As illustrated above, scientists can make synthetic diamonds using a certain proc out one week. However, these synthetic diamonds have carbon atoms in a hexagonal lattice. Diamonds with a carbon atoms in a cubic lattice are not produced even though they are thermodynamicall stable than hexagonal diamond. Which of the following best justifies why the synthetic process produces hexagonal diamond and not the more thermodynamically stable cubic diamond? A The amount of energy required to create new bonds between carbon atoms in cubic diamond is much greater than the amount of energy required to create hexagonal diamond. B The amount of energy required to create new bonds between carbon atoms in cubic diamond is much smaller than the amount of energy required to create hexagonal diamond. The activation energy needed to form cubic diamond is much less than the activation energy needed to form hexagonal diamond. ID The activation energy needed to form cubic diamond is much greater than the activation energy needed to form hexagonal diamond.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.

Question

Ebraam Awad
11
15
16
17
18
« < 16 of
TItkayunai
Cubic
raphite, an allotrope of carbon, is converted into cubic diamond through a process that may take a billion years or longer. As illustrated above, scientists can make synthetic diamonds using a certain process
about one week. However, these synthetic diamonds have carbon atoms in a hexagonal lattice. Diamonds with a carbon atoms in a cubic lattice are not produced even though they are thermodynamically
ore stable than hexagonal diamond. Which of the following best justifies why the synthetic process produces hexagonal diamond and not the more thermodynamically stable cubic diamond?
The amount of energy required to create new bonds between carbon atoms in cubic diamond is much greater than the amount of energy required to create hexagonal diamond.
The amount of energy required to create new bonds between carbon atoms in cubic diamond is much smaller than the amount of energy required to create hexagonal diamond.
C
The activation energy needed to form cubic diamond is much less than the activation energy needed to form hexagonal diamond.
D
The activation energy needed to form cubic diamond is much greater than the activation energy needed to form hexagonal diamond.

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Benzene is a common nonpolar solvent used in industry and research. It has the following thermodynamic data: Hfus = 127 J/g Hvap = 394 J/g m.p. = 5.5oC b.p. = 80.0oC csolid = 1.51 J/g oC cliquid = 1.73 J/g oC cgas = 1.06 J/g oC What energy (in joules) is involved when 35.0 g of benzene cools from 95.0 oC to 55.0 oC? (Please use at least 3 non-zero digits!)
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