Homework Answers
1. Sodium and Potassium are cation with positive charge Na+, K+
2. Chlorine is anion with negative charge Cl-
3. Potassium is more concentrated inside the cell and Sodium and Chlorine more concentrated outside the cell.
4. Potassium will move out of the cell with diffusion force, whereas Sodium and Chlorin will move out of the cell with electrostatic force.
5. Potassium will move into the cell from out side of the cell with electrostatic force, whereas Sodium and Chlorine will move into the cell with diffusion force.
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On a piece of paper, draw the following circle. Then fill in the cell at rest....
For each of the following ions, draw diagrams (on a piece of paper), like the one...
For each of the following ions, draw diagrams (on a piece of paper), like the one to the right below, to show orbital occupancies for both weak and strong octahedral fields. Indicate (on the table below) the total number of unpaired electrons in each case. Ion #Unpaired Weak field #Unpaired Strong field (a) Co4+ Ru5+ Fe2+ (d) Ni2+ (e) TV
For each of the following ions, draw diagrams (on a piece of paper), like the one...
For each of the following ions, draw diagrams (on a piece of paper), like the one to the right below, to show orbital occupancies for both weak and strong octahedral fields. Indicate (on the table below) the total number of unpaired electrons in each case. Ion # Unpaired Weak field # Unpaired Strong field (a) Ag3+ (b) Cu2+ (c) Mo5+ (d) Co4+ (e) Mo4+
Question 1. The following questions are based on the information below, from a mutated nerve cell...
Question 1. The following questions are based on the information below, from a mutated nerve cell in the brain: I nterstitial fluid intracellular fluid Na+ 5mM 180mM K+ 15mM 100mM Ca2+ 300mM 6mM Cl- 105mM 15mM 1) Calculate the equilibrium potentials for each ion. 2) From those values, predict the transport mechanism for each ion. 3) Which two ions are involved in establishing the resting potential? 4) Of those two ions, which has the greater permeability? 5) Which ion is...
WORD BANK For each of the following sentences, fill in the blanks with the best word...
WORD BANK
For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once. _ pathway th Transporter proteins and ion channels function in membrane transport by providing a _pathway through the membrane for specific polar solutes or inorganic ions. A _2__ is highly selective in the solute it transports, binding the solute at...
circle ans please NaOH, HO N(CH3)2 a. Draw the structure of the tetrahedral intermediate INITIALLY-FORMED in...
circle ans please
NaOH, HO N(CH3)2 a. Draw the structure of the tetrahedral intermediate INITIALLY-FORMED in the reaction shown. . You do not have to consider stereochemistry • Do not include counter-ions, e.g. Nat. 1, in your answer. • In cases where there is more than one answer, just draw one. opy ste C 000 ( b. Draw the structures of the organic products of the acyl transfer reaction. • You do not have to consider stereochemistry • Draw the...
#2 please In this part, we will explore electrostatics as it relates to the nerve cell,...
#2 please
In this part, we will explore electrostatics as it relates to the nerve cell, a critical electrostatic device for almost all life. We will use a rather simplified picture of the nerve cell, and treat it as a parallel plate capacitor. Although oversimplified, this model does correctly describe the underlying physics. As shown in the diagram below, the nerve cell is a fluid-filled tube (the axon) that is surrounded by another fluid. The nerve cell wall (membrane) separates...
Draw a sketch with a region of magnetic field pointing directly out of the paper. Draw...
Draw a sketch with a region of magnetic field pointing directly out of the paper. Draw a straight line parallel to the edge of the paper and through the magnetic field. A -243 nC charged object is moved at 18.3 m/s along this line. The direction of motion is from the bottom of the page toward the top of the page. In what direction is the magnetic force on this object as it passes through the field? A- Left B-...
2. Complete the following for each reaction: A Draw the full mechanisms for the reactions, providing all curved arrows...
2. Complete the following for each reaction: A Draw the full mechanisms for the reactions, providing all curved arrows and all products of the reactions with all appropriate charges. Draw in bonds between the most acidic proton and the atom it is bonded to if needed. Also draw in lone pairs where appropriate. B. Label the acid, base, conjugate acid, conjugate base, and any spectator ion (if present). C. Indicate which side of the reaction would be favored (reactants or...
Rolling down the electric hill Distributions of electric charges in a cell play a role in...
Rolling down the electric hill Distributions of electric charges in a cell play a role in moving ions into and out of a cell. In this situation, the motion of the ion is affected by two forces: the electric force due to the non uniform charge distribution in the cell membrane, and the resistive force (viscosity) due to colliding with the fluid molecules. In order to begin our analysis of this, let's consider a toy model in which the ion...
Constants Part A Draw a straight line on a piece of paper. Fill a transparent drinking...
Constants Part A Draw a straight line on a piece of paper. Fill a transparent drinking glass with water and place it on top of the line you have drawn, making sure the line extends outward from both sides of the glass. Position your head above the glass, but not directly above, such that you look downward at an angle to see the image of the line through the water, as shown in (Figure 1). The image of the line...
For each of the following ions, draw diagrams (on a piece of paper), like the one to the right below, to show orbital occupancies for both weak and strong octahedral fields. Indicate (on the table below) the total number of unpaired electrons in each case. Ion #Unpaired Weak field #Unpaired Strong field (a) Co4+ Ru5+ Fe2+ (d) Ni2+ (e) TV
WORD BANK
For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once. _ pathway th Transporter proteins and ion channels function in membrane transport by providing a _pathway through the membrane for specific polar solutes or inorganic ions. A _2__ is highly selective in the solute it transports, binding the solute at...
circle ans please
NaOH, HO N(CH3)2 a. Draw the structure of the tetrahedral intermediate INITIALLY-FORMED in the reaction shown. . You do not have to consider stereochemistry • Do not include counter-ions, e.g. Nat. 1, in your answer. • In cases where there is more than one answer, just draw one. opy ste C 000 ( b. Draw the structures of the organic products of the acyl transfer reaction. • You do not have to consider stereochemistry • Draw the...
#2 please
In this part, we will explore electrostatics as it relates to the nerve cell, a critical electrostatic device for almost all life. We will use a rather simplified picture of the nerve cell, and treat it as a parallel plate capacitor. Although oversimplified, this model does correctly describe the underlying physics. As shown in the diagram below, the nerve cell is a fluid-filled tube (the axon) that is surrounded by another fluid. The nerve cell wall (membrane) separates...
Draw a sketch with a region of magnetic field pointing directly out of the paper. Draw a straight line parallel to the edge of the paper and through the magnetic field. A -243 nC charged object is moved at 18.3 m/s along this line. The direction of motion is from the bottom of the page toward the top of the page. In what direction is the magnetic force on this object as it passes through the field? A- Left B-...
2. Complete the following for each reaction: A Draw the full mechanisms for the reactions, providing all curved arrows and all products of the reactions with all appropriate charges. Draw in bonds between the most acidic proton and the atom it is bonded to if needed. Also draw in lone pairs where appropriate. B. Label the acid, base, conjugate acid, conjugate base, and any spectator ion (if present). C. Indicate which side of the reaction would be favored (reactants or...
Rolling down the electric hill Distributions of electric charges in a cell play a role in moving ions into and out of a cell. In this situation, the motion of the ion is affected by two forces: the electric force due to the non uniform charge distribution in the cell membrane, and the resistive force (viscosity) due to colliding with the fluid molecules. In order to begin our analysis of this, let's consider a toy model in which the ion...
Constants Part A Draw a straight line on a piece of paper. Fill a transparent drinking glass with water and place it on top of the line you have drawn, making sure the line extends outward from both sides of the glass. Position your head above the glass, but not directly above, such that you look downward at an angle to see the image of the line through the water, as shown in (Figure 1). The image of the line...
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