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Osmotic pressure

AP Chemistry Zumdahl 7E Chapter 11 Notes

Subject: 
Chemistry
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Physical chemistry
Solutions
Amount of substance
Chemical properties
Gases
Colligative properties
Boiling-point elevation
Freezing-point depression
Molality
Osmotic pressure
Van 't Hoff factor
solubility

1 BA A A nn nxcomponentAoffractionMole +== Chapter 11 ? Properties of Solutions 11.1 Solution Composition A. Molarity 1. solutionofliters solutemolesMMolarity =)( B. Mass Percent 1. 100? ?? ? ? ? ?? ? ? ? = solutionofmass soluteofmasspercentMass C. Mole Fraction 1. D. Molality 1. solventoframki soluteofmolesMolality log = E. Normality 1. solutionofliter sequivalentNormality = 2. Equivalents of acids and bases a. Mass that donates or accepts a mole of protons 3. Equivalents of oxidizing and reducing agents a. Mass that provides or accepts a mole of electrons 11.2 The Energies of Solution Formation A. ?Like Dissolves Like? 1. Polar molecules and ionic compounds tend to dissolve in polar solvents 2. Nonpolar molecules dissolve in nonpolar compounds

Water Potential

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Biology
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Chemistry
Biology
Membrane biology
matter
diffusion
Cell Biology
Solutions
Water technology
Osmosis
Osmotic pressure
Water potential
Properties of water

Water Potential (?) Water potential (?) is a measure of water?s potential to do work. In order to do work, an object must be able to apply enough force to another object to cause displacement. In order for water to displace another object, water must be moving. The largest water potential any volume of water can have, if only standard atmospheric pressure is being applied to that volume of water, is defined as 0. This is the water potential for distilled water. Distilled water has the greatest potential to move, and thus displace another object.

Problems Water Potential

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Biology
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Biology
Cell Biology
Membrane biology
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diffusion
Water technology
Osmosis
Turgor pressure
Tonicity
Water potential
Osmotic pressure
Molecular diffusion
health
Technology

Practice Problems ? Osmosis and Water potential Use this key to answer all the problems below. If you choose B or C, rewrite the statement so that it is complete and true. A = TRUE B = FALSE C = NOT ENOUGH INFORMATION PROBLEM ONE: The initial molar concentration of the cytoplasm inside a cell is 2M and the cell is placed in a solution with a concentration of 2.5M. Initially, free energy is greater inside the cell than outside It is possible that this cell is already in equilibrium with its surroundings. Initially, solute concentration is greater outside the cell than inside. Water will enter the cell because solute potential is lower inside the cell than outside.

enzyme lab

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Biology
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Chemistry
Biology
Cell Biology
Osmosis
Potato
Tonicity
Enzyme
Lysis
Catalysis
Osmotic pressure
Properties of water
water

Potato Osmosis Biology SL - ATh INVESTIGATION ?Potato Osmosis? INTRODUCTION Osmosis is a process that occurs at a cellular level that entails the spontaneous net movement of water through a semi-permeable membrane from a region of low solute concentration to an area of high solute concentration in order to equalize the level of water in each region. Involved in this process are hypotonic, hypertonic and isotonic solutions. A hypotonic solution is one with a lower osmotic pressure, indicating that the net movement of water moves into the said solution whereas a hypertonic solution is one with a higher osmotic pressure, thus the net movement of water will be leaving the hypertonic solution. Lastly, an isotonic solution entails no net

Diffusion Worksheets

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Biology
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Chemistry
Biology
Cell Biology
Membrane biology
diffusion
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Membrane technology
Osmosis
Osmotic pressure
Tonicity
Water potential
Dialysis tubing
health

AP Biology James Pre-Lab: Diffusion and Osmosis in Model Systems In parts 1 and 2 of this lab, you will have the opportunity to investigate the processes of diffusion and osmosis in model membrane systems. You will also investigate the effect of solute concentration on water potential as it relates to living plant tissues. Objectives: At the completion of this AP laboratory, you should be able to: Describe the mechanisms of diffusion and osmosis. Describe how solute size and molar concentration affect the process of diffusion through a selectively-permeable membrane. Describe the relationship between solutions that are hypotonic, hypertonic, or isotonic. Design an experiment to demonstrate water potential.

Math review

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Biology
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Chemistry
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Equilibrium chemistry
Physical chemistry
Analytical chemistry
Chemical properties
PH
Base
Properties of water
Osmotic pressure
Molar concentration

AP Biology Math Review 2013 Take out an APPROVED calculator and formula sheet. 2) Pick a grid sheet. You will solve each problem and grid in the answer. 3) Timing ? 1 min 20 seconds average Tips Grid LEFT to right Use the formula sheet Don?t round until the end Look at HOW the answer should be given ?round to nearest?? .123 The 1 is in the tenths place The 2 is in the hundredths place The 3 is in the thousandths place Q1: Chi Square A hetero red eyed female was crossed with a red eyed male. The results are shown below. Red eyes are sex-linked dominant to white, determine the chi square value. Round to the nearest hundredth. 66 White Eyes 134 Red Eyes # flies observed Phenotype 3 min Chi Square Strategy Given?observed
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