
Concept explainers
a)
Interpretation: Number of cannonballs, type of packing and type of regular geometry to be found.
Concept introduction
Closest packing: A metallic crystal containing spherical atom that are equally connected to each other in all direction. We can show such a structure by uniform packing in the way the sphere uses the vacant space. Closest packing are two types are Cubic close packing and Hexagonal close packing.
Cubic close packing: The arrangement of abc have cubic close packing. In this packing, unit cell made-up of four layers of atom. The top layer and bottom layer made-up of six atoms at hexagon’s corner and one at hexagon’s center.
Hexagonal close packing: In this packing, unit cell made-up of three layers of atom. The top layer and bottom layer made-up of six atoms at hexagon’s corner and one at hexagon’s center.
To explain total cannonballs needed.
b)
Interpretation: Number of cannonballs, type of packing and type of regular geometry to be found.
Concept introduction
Closest packing: A metallic crystal containing spherical atom that are equally connected to each other in all direction. We can show such a structure by uniform packing in the way the sphere uses the vacant space. Closest packing are two types are Cubic close packing and Hexagonal close packing.
Cubic close packing: The arrangement of abc have cubic close packing. In this packing, unit cell made-up of four layers of atom. The top layer and bottom layer made-up of six atoms at hexagon’s corner and one at hexagon’s center.
Hexagonal close packing: In this packing, unit cell made-up of three layers of atom. The top layer and bottom layer made-up of six atoms at hexagon’s corner and one at hexagon’s center.
To explain type of packing in cannonball.
c)
Interpretation: Number of cannonballs, type of packing and type of regular geometry to be found.
Concept introduction
Closest packing: A metallic crystal containing spherical atom that are equally connected to each other in all direction. We can show such a structure by uniform packing in the way the sphere uses the vacant space. Closest packing are two types are Cubic close packing and Hexagonal close packing.
Cubic close packing: The arrangement of abc have cubic close packing. In this packing, unit cell made-up of four layers of atom. The top layer and bottom layer made-up of six atoms at hexagon’s corner and one at hexagon’s center.
Hexagonal close packing: In this packing, unit cell made-up of three layers of atom. The top layer and bottom layer made-up of six atoms at hexagon’s corner and one at hexagon’s center.
To explain regular geometry of cannonball.

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Chapter 9 Solutions
Bundle: Chemistry: An Atoms First Approach, 2nd, Loose-Leaf + OWLv2, 4 terms (24 months) Printed Access Card
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- Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and the follow the arrows to draw the intermediate and product in this reaction or mechanistic step(s).arrow_forwardCurved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the curved arrows to draw the intermediates and product of the following reaction or mechanistic step(s).arrow_forwardCurved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the arrows to draw the intermediate and the product in this reaction or mechanistic step(s).arrow_forward
- Look at the following pairs of structures carefully to identify them as representing a) completely different compounds, b) compounds that are structural isomers of each other, c) compounds that are geometric isomers of each other, d) conformers of the same compound (part of structure rotated around a single bond) or e) the same structure.arrow_forwardGiven 10.0 g of NaOH, what volume of a 0.100 M solution of H2SO4 would be required to exactly react all the NaOH?arrow_forward3.50 g of Li are combined with 3.50 g of N2. What is the maximum mass of Li3N that can be produced? 6 Li + N2 ---> 2 Li3Narrow_forward
- 3.50 g of Li are combined with 3.50 g of N2. What is the maximum mass of Li3N that can be produced? 6 Li + N2 ---> 2 Li3Narrow_forwardConcentration Trial1 Concentration of iodide solution (mA) 255.8 Concentration of thiosulfate solution (mM) 47.0 Concentration of hydrogen peroxide solution (mM) 110.1 Temperature of iodide solution ('C) 25.0 Volume of iodide solution (1) used (mL) 10.0 Volume of thiosulfate solution (5:03) used (mL) Volume of DI water used (mL) Volume of hydrogen peroxide solution (H₂O₂) used (mL) 1.0 2.5 7.5 Time (s) 16.9 Dark blue Observations Initial concentration of iodide in reaction (mA) Initial concentration of thiosulfate in reaction (mA) Initial concentration of hydrogen peroxide in reaction (mA) Initial Rate (mA's)arrow_forwardDraw the condensed or line-angle structure for an alkene with the formula C5H10. Note: Avoid selecting cis-/trans- isomers in this exercise. Draw two additional condensed or line-angle structures for alkenes with the formula C5H10. Record the name of the isomers in Data Table 1. Repeat steps for 2 cyclic isomers of C5H10arrow_forward
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