Essays Tagged: "solute"

Saturated Solutions.

on is the saturated solution. The saturated solution means that the liquid has dissolved all of the solute that is possible. For example, when someone adds sugar to iced tea, the sugar disappears. If ... e next type of solution is the supersaturated solution. The supersaturated solution means that more solute has dissolved than is possible. If you have a very hot saturated solution and cool it down, t ...

(1 pages) 30 0 3.0 May/2003

Subjects: Science Essays > Chemistry

Osmosis summary and how to set up an experiment where one could figure out the molar of unkown solutions

to move from where there is a high amount of concentrated water to where there is a high amount of solute. This can also be said as water moving from a hypotonic (high water concentration) to a hyper ... the least change in weight will be the .2 M solution. Because there is not a very steep gradient of solute concentration between the beaker and the tubing there will not be a great gain of water insid ...

(2 pages) 37 0 3.0 Feb/2004

Subjects: Science Essays > Biology

Essay on bacterial cell wall composition

elps to do important functions, like confer cell shape, and protect the cell from lysis when in low solute environments. There are three classifications used in describing cell walls: Gram Positive (G ...

(5 pages) 57 0 4.3 Feb/2004

Subjects: Science Essays > Biology

Explain how translocation of sucrose occurs in the phloem as proposed by the mass flow hypothesis.

rose then move from companion cell into the sieve tube through plasmodesmata causing an increase in solute potential at the source end of the sieve tube. Water moves into the sieve tube through osmosi ... of sieve tube into sink cells for respiration and storage purposes. This causes an increase in the solute potential in the sink cells and a decrease in water potential in sink cells. As a result, wat ...

(1 pages) 34 0 3.0 Apr/2004

Subjects: Science Essays > Biology

The effect on Potato in Salt Solution. J de Salles

ready supply of uniform material.Background InformationAny substance dissolved in water is called a solute; a solvent is a liquid that is able to dissolve another substance, called a solute, to form a ... lecules by diffusion through a partially permeable membrane from areas of high water potential (low solute concentrations) to regions of low water potential (high solute concentrations).All plant cell ...

(6 pages) 44 0 4.0 Apr/2004

Subjects: Science Essays > Biology

To investigate how concentration effects osmosis on potato chips.

effect of osmosis on potato chips. Osmosis is the diffusion of water from a lower concentration of solute to a higher concentration of solute, through a membrane.I have chosen to investigate the effe ... in the beakers if they don't the test won't be fair because there will be different amounts of the solute and solvent being used therefore decreasing or increasing the rates of osmosis in the differe ...

(11 pages) 31 0 2.3 Dec/2004

Subjects: Science Essays

Investigation to find the effect of different concentrations of sugar solutions on osmosis

ook at the end of the course work in the 'References'In a high concentration of water the amount of solute (e.g. sugar) is low. This could be called a weak or dilute solution.In a low concentration of ... s low. This could be called a weak or dilute solution.In a low concentration of water the amount of solute (e.g. sugar) is high. This could be called a strong or concentrated solution.When two such so ...

(5 pages) 34 1 4.4 Jan/2005

Subjects: Science Essays > Biology

Water Potential of a Potato.

ntial of distilled water is 0 (kPa) and any water movement is measured with a negative value.When a solute is mixed with a solvent the water potential will decrease, and will always be a negative valu ... potential will decrease, and will always be a negative value.Solute Potential.As the presence of a solute lowers the water potential, the more concentrated the solute is, the lower the water potentia ...

(6 pages) 21 0 3.0 Oct/2005

Subjects: Science Essays > Biology

All About Louis Pasteur

which contained no crystals. This result was explained by van't Hoff and Le Bel by asymmetry in the solute molecule themselves. Pasteur also investigated the reason that wine and beer could go sour. U ...

(2 pages) 24 0 2.0 Mar/2006

Subjects: Science Essays > Chemistry

What factors can affect rate of reaction?

cal mixture, but most frequently is used in relation to solutions, where it refers to the amount of solute dissolved in a solvent. To concentrate a solution, you must add more solute, or reduce the am ... n example of this process. To dilute a solution, you must add more solvent, or reduce the amount of solute. There exists a concentration at which no further solute will dissolve in a solution. At this ...

(3 pages) 30 0 5.0 Mar/2006

Subjects: Science Essays > Chemistry

Solubility of salt

Objectives of ExperimentThe objectives of this experiment are:1. To determine the solubility of a solute at a different temperature2. To state the differences between a saturated and an ordinary sol ... to be constantly stirred because stirring brings fresh portions of the solvent in contact with the solute, thereby increasing the solubility and rate of solution) while adding KClO3 salt a little at ...

(10 pages) 36 1 5.0 Mar/2006

Subjects: Science Essays > Chemistry

Osmosis Coursework

ntial of Potato tissue.Introduction:In this investigation I aim to discover the water potential and solute potential of potato tissue. I will accomplish this by placing potato pieces of equal size int ... tial of the potato strip.Since pure water has the highest possible water potential, the effect of a solute is to lower the water potential. Since the water potential of pure water is known a 0, the ef ...

(12 pages) 49 0 3.4 Mar/2006

Subjects: Science Essays > Biology

How do different sugar solutions effect osmosis in a potato chip?

ion to an area of low water concentration through a partially permeable membrane or in terms of the solute, Osmosis is a name used to describe the movement of water from an area of low concentration t ... solutions.1. Isotonic Solution:2. Hypotonic Solution:3. Hypertonic Solution:Facilitated OsmosisSome solute molecules that are soluble in water cannot pass through the semi-permeable membrane because w ...

(16 pages) 28 0 3.0 Jun/2006

Subjects: Science Essays > Biology

Precipitation Reactions

ion has been supersaturated by a compound. In most situations, the solid forms ("falls") out of the solute phase, and sinks to the bottom of the solution (though it will float if it is less dense than ...

(2 pages) 19 0 3.0 Aug/2006

Subjects: Science Essays > Chemistry

Active and Passive Transport

the diffusion of water across a semipermeablemembrane. It occurs because of the concentration of a solute in a solution. In a hypertonicsolution the concentration of the solute is higher and water is ... d water is moved into the cell throughosmosis, but in a hypotonic solution the concentration of the solute is lower and water ismoved out of the cell. In an isotonic solution the concentration is the ...

(2 pages) 35 0 3.7 Sep/2006

Subjects: Science Essays > Biology > Plant Biology

Lab-Potassium nitrate(KNO3) in water

Potassium nitrate (KNO3) is cooling down, (and the atoms of it becomes more stable so it becomes a solute) because that process will take place at a slower speed and you will therefore find a more ac ... crease the amount of Potassium nitrate (KNO3), means that the temperature must be increased for the solute to be solved. This is because of that it will be a supersaturated solution if you for example ...

(2 pages) 11 0 3.0 Dec/2007

Subjects: Science Essays > Chemistry

Bio 207 notes "animal physiology"

lants and animalsThe difference between the protein channel and ionic channel:The ease with which a solute can diffuse directly through the lipid interior of the cell membrane depends on the hydrophob ... ugh the lipid interior of the cell membrane depends on the hydrophobic or hydrophilic nature of the solute: Lipid solute such steriod hormones is hydrophobic so it can pass because it dissolves in the ...

(4 pages) 16 0 3.0 Nov/2008

Subjects: Science Essays > Biology > Human Biology

Animal physiology study notes

lants and animalsThe difference between the protein channel and ionic channel:The ease with which a solute can diffuse directly through the lipid interior of the cell membrane depends on the hydrophob ... ugh the lipid interior of the cell membrane depends on the hydrophobic or hydrophilic nature of the solute, Lipid solute such steriod hormones is hydrophobic so it can pass easily because it dissolves ...

(2 pages) 843 0 0.0 Mar/2009

Subjects: Science Essays > Biology

Salinity: The effects it has on plants and Australian agriculture.

.Soil salinity has drastic effects on plants. The issue begins when large concentrations of salt (a solute) are present in groundwater. Plants must use far more energy to extract necessary amounts of ... is is due to the nature of osmosis. The groundwater is now a hypertonic solution as it has a higher solute concentrate than the plant's root cells. As a result, plants must expend more energy as osmos ...

(4 pages) 1601 0 0.0 Jun/2009

Subjects: Science Essays > Biology > Plant Biology

Determination of Copper by Complexation, Solvent–Extraction and Spectrophotometry

good accuracy at low concentrations of 10-6 g/m (ppm).TheorySolvent Extraction is the transfer of a solute from one phase to another. This process allows to isolate or concentrate the desired analyte ... um citrate buffers in order to eliminate common containment interference like iron. [1]Suppose that solute S is partitioned between phases 1 and 2. The partition coefficient, K, is the equilibri ...

(10 pages) 0 0 0.0 Oct/2012

Subjects: Science Essays > Chemistry