Homework Answers
Add Answer to:
10. For a Na +Cl-ion pair, attractive and repulsive energies Ea and ER, respectively depend on...
For a K+–Cl– ion pair, attractive and repulsive energies EA and ER, respectively, depend on the...
For a K+–Cl– ion pair, attractive and repulsive energies EA and
ER, respectively, depend on the distance between the ions r,
according to EA = − 1.436 r ER = 5.8 × 10−6 r 9 For these
expressions, energies are expressed in electron volts (eV) per
K+–Cl– pair, and r is the distance in nanometers (nm). The net
energy EN is just the sum of the two expressions above (EN = EA +
ER). (a) Superimpose on a single plot...
For an Na+Cl- ion pair, attractive and repulsive energies EA and ER, respectively, depend on the...
For an Na+Cl- ion pair, attractive and repulsive energies EA and ER, respectively, depend on the distance between the ions (r), according to EA = - 1.436/r ER = 7.32 * (10^-6 / r^8) For these expressions, energies are expressed in electron volts (eV) / Na+Cl- ion pair, and r is the distance in nanometers (nm). The net energy, EN, is the sum of the EA and ER. a) Using graphical software (e.g. Matlab or Excel), create a single plot...
For an Na^+ --Cl^- ion pair, attractive and repulsive energies E_A and E_R, respectively depend on...
For an Na^+ --Cl^- ion pair, attractive and repulsive energies E_A and E_R, respectively depend on the distance between the ions r, according to E_A = - 1.436/r E_R = 7.32 times 10^-6/r^6 For these expression, energies are expressed in electron volts per Na^+ --Cl^- pair, and r is the distance in nanometers (nm). The net energy E_N is just the sum of the two expressions above. Determine the equilibrium spacing r_0 between the Na^+ and Cl^- Ions. 0) 0.68...
Answer to Problem 2.19 Bonding Forces and Energies 2.13 Calculate the force of attraction between a...
Answer to Problem 2.19
Bonding Forces and Energies 2.13 Calculate the force of attraction between a Ca2+ and an O on the centers of which are separated by a distance of 1.25 nm. 2.14 The net potential energy between two adja- cent ions, EN, may be represented by the sum of Equations 2.8 and 2.9; that is, A B Calculate the bonding energy Eo in terms of the parameters A, B, and n using the follow ing procedure: 1. Differentiate...
For an M+2-N-2 ion pair, attractive and repulsive energies EA and ER
For an \(\mathrm{M}^{+2}-\mathrm{N}^{-2}\) ion pair, attractive and repulsive energies \(\mathrm{E}_{\mathrm{A}}\) and \(\mathrm{E}_{\mathrm{R}}\), respectively, depend on the distance between the ions \(r\), according to$$ \begin{array}{c} E_{A}=\frac{-4.3}{r} \\ E_{R}=\frac{8.5 \times 10^{-6}}{r^{9}} \end{array} $$(a) Plot EA, ER and EN on the same graph.(b) Determine r0 and E0 from the graph.(c) Mathematically determine r0 and E0.(d) Plot FA, FR and FN on the same graph.You need to show all graphs and tables. If you are reading a value from graph, you need to show...
1. For a pair of ions M*-X, the attractive and repulsive energies EA and Er (in...
1. For a pair of ions M*-X, the attractive and repulsive energies EA and Er (in eV/pair), respectively, depend on the distance between the ions r (in nm), according to the following equations: 1.5 EA r ER 6 x 10-6 r9 a. Write down the expression for the total energy En. (2 marks) b. Take the derivative of Ex (4 marks) C. Calculate the equilibrium distance ro given that it is be distance at which en is minimum. (6 mark)...
2.16 Consider a hypothetical X-Y ion pair for which the equilibrium interionic spacing and bonding energy...
2.16 Consider a hypothetical X-Y ion pair for which the equilibrium interionic spacing and bonding energy values are 0.38 nm and -6.13 eV, 2.14 The net potential energy between two adjacent ions, EN, may be represented by the sum of Equations 2.9 and 2.11; that is, B EN= (2.17) r Calculate the bonding energy Eo in terms of the parameters A, B, and n using the following procedure: 1. Differentiate EN with respect to r, and then set the resulting...
3. Assuming atoms can be represented as hard spheres, the bonding energy between a sodium ion and a chloride ion pair can be represented by: 1.436 7.32x10-6 8 1 1 where U is energy per ion pair in eV...
3. Assuming atoms can be represented as hard spheres, the bonding energy between a sodium ion and a chloride ion pair can be represented by: 1.436 7.32x10-6 8 1 1 where U is energy per ion pair in eV and r is the separation distance between ions in nanometers. Write answers in units of eV and nm. a) Find the equation for force between the atom pair. b) Find the equilibrium separation distance ro- c) Estimate the elastic modulus for...
For a K+–Cl– ion pair, attractive and repulsive energies EA and
ER, respectively, depend on the distance between the ions r,
according to EA = − 1.436 r ER = 5.8 × 10−6 r 9 For these
expressions, energies are expressed in electron volts (eV) per
K+–Cl– pair, and r is the distance in nanometers (nm). The net
energy EN is just the sum of the two expressions above (EN = EA +
ER). (a) Superimpose on a single plot...
For an Na^+ --Cl^- ion pair, attractive and repulsive energies E_A and E_R, respectively depend on the distance between the ions r, according to E_A = - 1.436/r E_R = 7.32 times 10^-6/r^6 For these expression, energies are expressed in electron volts per Na^+ --Cl^- pair, and r is the distance in nanometers (nm). The net energy E_N is just the sum of the two expressions above. Determine the equilibrium spacing r_0 between the Na^+ and Cl^- Ions. 0) 0.68...
Answer to Problem 2.19
Bonding Forces and Energies 2.13 Calculate the force of attraction between a Ca2+ and an O on the centers of which are separated by a distance of 1.25 nm. 2.14 The net potential energy between two adja- cent ions, EN, may be represented by the sum of Equations 2.8 and 2.9; that is, A B Calculate the bonding energy Eo in terms of the parameters A, B, and n using the follow ing procedure: 1. Differentiate...
1. For a pair of ions M*-X, the attractive and repulsive energies EA and Er (in eV/pair), respectively, depend on the distance between the ions r (in nm), according to the following equations: 1.5 EA r ER 6 x 10-6 r9 a. Write down the expression for the total energy En. (2 marks) b. Take the derivative of Ex (4 marks) C. Calculate the equilibrium distance ro given that it is be distance at which en is minimum. (6 mark)...
2.16 Consider a hypothetical X-Y ion pair for which the equilibrium interionic spacing and bonding energy values are 0.38 nm and -6.13 eV, 2.14 The net potential energy between two adjacent ions, EN, may be represented by the sum of Equations 2.9 and 2.11; that is, B EN= (2.17) r Calculate the bonding energy Eo in terms of the parameters A, B, and n using the following procedure: 1. Differentiate EN with respect to r, and then set the resulting...
3. Assuming atoms can be represented as hard spheres, the bonding energy between a sodium ion and a chloride ion pair can be represented by: 1.436 7.32x10-6 8 1 1 where U is energy per ion pair in eV and r is the separation distance between ions in nanometers. Write answers in units of eV and nm. a) Find the equation for force between the atom pair. b) Find the equilibrium separation distance ro- c) Estimate the elastic modulus for...
Most questions answered within 3 hours.
-
Using technology to support HR activities increases:
a.
the efficiency of the administrative HR functions.
b....
asked 1 minute from now -
1. List the features used to classify leaf
types.
2. List some characteristics that are shared...
asked 4 minutes ago -
The three elements of Value Proposition, Key Customers, and
Capabilities operate within an environment. Which of...
asked 6 minutes ago -
Katelynn, a physician, earns $200,000 from her medical practice
in the current year. She receives $45,000...
asked 13 minutes ago -
Each row of the table below describes an aqueous solution at
25°C
.
The second column...
asked 18 minutes ago -
A horizontal wire is at y = 0. Current travels in the +x
direction. The magnetic...
asked 18 minutes ago -
Let X be a continuous random variable whose PDF is Let X be a
continuous random...
asked 39 minutes ago -
Martinez Company’s relevant range of production is 7,500 units
to 12,500 units. When it produces and...
asked 37 minutes ago -
A football with a mass of 1.2 kg is kicked from ground level to
a height...
asked 43 minutes ago -
Remember: Changes in supply determinants shift supply, and
changes in demand determinants shift demand. We say...
asked 42 minutes ago -
Why is the answer b), for this question? I came up with C) for
my incorrect...
asked 48 minutes ago -
Suppose that you know that in the population of full-time
employees in the United States, the...
asked 1 hour ago