Lecture 8 - web page for staff
... Ex. Calculate the ideal reverse saturation current in a Si p-n junction diode with a cross-section area of 2 x 10-4 cm2. The parameters of the diode are • NA = 5 x 106 cm-3, ND = 1016 cm-3, ni = 9.65 x 109 cm3, D = 21 cm2/s, D = 10 cm2/s, and τ = τ = 5 x 10n p p n ...
... Ex. Calculate the ideal reverse saturation current in a Si p-n junction diode with a cross-section area of 2 x 10-4 cm2. The parameters of the diode are • NA = 5 x 106 cm-3, ND = 1016 cm-3, ni = 9.65 x 109 cm3, D = 21 cm2/s, D = 10 cm2/s, and τ = τ = 5 x 10n p p n ...
Method to calculate electrical forces acting on a sphere in... * Kwangmoo Kim and David Stroud
... interactions to include multipolar and many-body interactions, expressed in terms of the induced multipole moments on each sphere; they also obtain an expression for the forces in terms of these induced multipole moments. As discussed further below, the electrical force acting on a sphere in an elec ...
... interactions to include multipolar and many-body interactions, expressed in terms of the induced multipole moments on each sphere; they also obtain an expression for the forces in terms of these induced multipole moments. As discussed further below, the electrical force acting on a sphere in an elec ...
Spring 2009 Final Exam Review – Part 2
... Covalent Bonds – a strong bond that occurs through the sharing of electrons between 2 nonmetals. You can draw Lewis structures for covalent molecules. Determine the total # of valence electrons in the molecule. Divide that number by 2 to determine the number of pairs of electrons available to ...
... Covalent Bonds – a strong bond that occurs through the sharing of electrons between 2 nonmetals. You can draw Lewis structures for covalent molecules. Determine the total # of valence electrons in the molecule. Divide that number by 2 to determine the number of pairs of electrons available to ...
1 STOICHIOMETRY (I) Molecular Mass: The sum of the masses of
... a) How many mL of a 12 M solution of HCl are required to make 250 mL of a 0.10 M solution? b) How many mL of 5.0 M K2Cr2O7 must be diluted in order to prepare 250 mL of 0.10 molar solution? C) Preparation of solutions: You should know and be able to describe how to prepare a solution of a particul ...
... a) How many mL of a 12 M solution of HCl are required to make 250 mL of a 0.10 M solution? b) How many mL of 5.0 M K2Cr2O7 must be diluted in order to prepare 250 mL of 0.10 molar solution? C) Preparation of solutions: You should know and be able to describe how to prepare a solution of a particul ...
lattice of dielectric particles with double negative response
... the calculation domain is shown in Fig. 2(a). PEC denotes that the electric field is normal to the surface and PMC that the electric field is tangential to the surface. In the simulations, mirror planes cut spheres into four parts. These boundary conditions do not disturb the first three resonant mo ...
... the calculation domain is shown in Fig. 2(a). PEC denotes that the electric field is normal to the surface and PMC that the electric field is tangential to the surface. In the simulations, mirror planes cut spheres into four parts. These boundary conditions do not disturb the first three resonant mo ...
Naming Chemical Compounds
... Numerals present, this number represents the charge of the positive ion. This charge can be used to determine the number of negative particles needed to create a combination of particles with an overall charge of zero. ...
... Numerals present, this number represents the charge of the positive ion. This charge can be used to determine the number of negative particles needed to create a combination of particles with an overall charge of zero. ...
Chapter 7
... 2. The amount of a substance that contains the same number of particles as the number of atoms in exactly 12 g of carbon-12 ...
... 2. The amount of a substance that contains the same number of particles as the number of atoms in exactly 12 g of carbon-12 ...
Chapter 8 Test Review
... Empirical Formula – formula of a compound that expresses lowest whole number ratio of atoms. Molecular Formula – actual formula of a compound showing the number of atoms present ...
... Empirical Formula – formula of a compound that expresses lowest whole number ratio of atoms. Molecular Formula – actual formula of a compound showing the number of atoms present ...
Chapter 6 Stability of Colloidal Suspensions
... In fact, even though Hamaker constants are usually positive, there are some cases where negative values can be found for some specific types of materials/medium pairs. A negative value of Hamaker constant implies that van der Waals interactions are repulsive. One final caveat about Hamaker’s treatme ...
... In fact, even though Hamaker constants are usually positive, there are some cases where negative values can be found for some specific types of materials/medium pairs. A negative value of Hamaker constant implies that van der Waals interactions are repulsive. One final caveat about Hamaker’s treatme ...
Guided notes packet - Science With Horne
... Use M = mol/L (found in reference packet) to solve for molarity. This was part of Unit 2, but now the skill of converting grams to moles can be included in problems. ...
... Use M = mol/L (found in reference packet) to solve for molarity. This was part of Unit 2, but now the skill of converting grams to moles can be included in problems. ...
Hou et al._Supplemental Material_3rd revision_L13
... 4. Tunneling and thermionic current calculations Figure S4 shows the transport mechanism ratio for interfaces with a range of relevant depletion widths. The depletion widths used in the calculation are much smaller than the fully developed macroscopic value. This is to account for the fact that the ...
... 4. Tunneling and thermionic current calculations Figure S4 shows the transport mechanism ratio for interfaces with a range of relevant depletion widths. The depletion widths used in the calculation are much smaller than the fully developed macroscopic value. This is to account for the fact that the ...
File
... (b) (i) a solution made from a non-volatile solute has a higher boiling point than the pure solvent because the solution has a lower vapor pressure than the water (Raoult’s Law) . the temperature of the solution has be higher to produce enough vapor pressure to equal the atmospheric pressure (i.e., ...
... (b) (i) a solution made from a non-volatile solute has a higher boiling point than the pure solvent because the solution has a lower vapor pressure than the water (Raoult’s Law) . the temperature of the solution has be higher to produce enough vapor pressure to equal the atmospheric pressure (i.e., ...
Solution FRQs Practice
... The formula and the molecular weight of an unknown hydrocarbon compound are to be determined by elemental analysis and the freezing-point depression method. (a) The hydrocarbon is found to contain 93.46 percent carbon and 6.54 percent hydrogen. Calculate the empirical formula of the unknown hydrocar ...
... The formula and the molecular weight of an unknown hydrocarbon compound are to be determined by elemental analysis and the freezing-point depression method. (a) The hydrocarbon is found to contain 93.46 percent carbon and 6.54 percent hydrogen. Calculate the empirical formula of the unknown hydrocar ...
Chem 30A Fa_06 FE Review
... Which of the following mixtures will form a buffer solution? (a) a solution containing 1 M HCl and 1 M NaCl. (b) a solution containing 1 M HCl and 1 M NaOH (c) a solution containing 1 M NH4NO3 and 1 M NH4OH (d) a solution containing 1 M NH4NO3 and 1 M NaNO3 ...
... Which of the following mixtures will form a buffer solution? (a) a solution containing 1 M HCl and 1 M NaCl. (b) a solution containing 1 M HCl and 1 M NaOH (c) a solution containing 1 M NH4NO3 and 1 M NH4OH (d) a solution containing 1 M NH4NO3 and 1 M NaNO3 ...
Mixture Solution Notes
... are mixed but not combined chemically The chemical identities of the substances are not changed. ...
... are mixed but not combined chemically The chemical identities of the substances are not changed. ...
Exam #1
... chemistry textbook (always the first thing you should look for when away from home) and learn that on that planet the mass of as 12C6 atom is defined as 12 amu but the formal definition of a mole is the "quantity of any substance that contains as many atoms, molecules, or formula units as the number ...
... chemistry textbook (always the first thing you should look for when away from home) and learn that on that planet the mass of as 12C6 atom is defined as 12 amu but the formal definition of a mole is the "quantity of any substance that contains as many atoms, molecules, or formula units as the number ...
2011 Spring 1 key
... d. Explain why the actual yield in a chemical reaction such as this one is less than the theoretical yield. (6 points) (1) Many chemical reactions are significantly reversible. Because there is a constant conversion of reactants to products and products to reactants, the reaction never proceeds comp ...
... d. Explain why the actual yield in a chemical reaction such as this one is less than the theoretical yield. (6 points) (1) Many chemical reactions are significantly reversible. Because there is a constant conversion of reactants to products and products to reactants, the reaction never proceeds comp ...
class notes packet - Social Circle City Schools
... Chromatography is a method for analyzing complex _______________ such as _____ by separating them into the chemicals fro which they are made. Attraction to a medium will take light particles up the medium as heavier particles stay low on the medium When can this be used? ...
... Chromatography is a method for analyzing complex _______________ such as _____ by separating them into the chemicals fro which they are made. Attraction to a medium will take light particles up the medium as heavier particles stay low on the medium When can this be used? ...
Welcome to… Who Wants to be a Millionaire???
... Disappears into the wood Exerts an equal force back on the hammer Moves at a constant speed ...
... Disappears into the wood Exerts an equal force back on the hammer Moves at a constant speed ...
Chemistry 11 Review Sheet
... 47. Describe the organization of the periodic table? 48. Explain the following trends: a) Electronegativity b) ionization energy c) atomic size ...
... 47. Describe the organization of the periodic table? 48. Explain the following trends: a) Electronegativity b) ionization energy c) atomic size ...
Type of Bonding
... to another • force between an ion and a dipole or two dipoles where the (+) charge attracts the (-) charge (purely electrostatic) • H-bonding : a special type of dipole-dipole interaction that results from the bonding between a H atom which is partially (+) charged and a highly electronegative atom ...
... to another • force between an ion and a dipole or two dipoles where the (+) charge attracts the (-) charge (purely electrostatic) • H-bonding : a special type of dipole-dipole interaction that results from the bonding between a H atom which is partially (+) charged and a highly electronegative atom ...
File
... to be polarized and intensity of the same to be dependent on position of observer, nature of system and wavelength of light used. ...
... to be polarized and intensity of the same to be dependent on position of observer, nature of system and wavelength of light used. ...
NAME REVIEW 1: JUST THE BASICS ___1) In which material are
... 20) 1) HI it is produced endothermically and that means more energy is absorbed by the breaking of bonds than is released as the new H-I polar covalent bond(s) is (are) produced. Thus HI is less stable than the reactants. 21) 3 an increase in temp favors the endo. rxn which in this case is the forwa ...
... 20) 1) HI it is produced endothermically and that means more energy is absorbed by the breaking of bonds than is released as the new H-I polar covalent bond(s) is (are) produced. Thus HI is less stable than the reactants. 21) 3 an increase in temp favors the endo. rxn which in this case is the forwa ...