'Ion concentration' diaporamas de présentation

The Chemistry of Acids and Bases

The Chemistry of Acids and Bases. Acid and Bases. Acid and Bases. Acid and Bases. Acids. Have a sour taste. Vinegar is a solution of acetic acid. Citrus fruits contain citric acid. React with certain metals to produce hydrogen gas.

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The Chemical Foundations of Life

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Discussion topic for week 5 : Enzyme reactions

Discussion topic for week 5 : Enzyme reactions The lock in key hypothesis (Emil Fischer) asserts that both the enzyme and the substrate possess specific complementary geometric shapes that fit exactly into one another. What are the problems associated with this hypothesis?.

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Self Ionisation of Water

Self Ionisation of Water. Water undergoes Self Ionisation H 2 O (l) ? H + (aq) + OH - (aq) or H 2 O (l) + H 2 O (l) ? H 3 O + (aq) + OH - (aq) The concentration of H + ions and OH- ions is extremely small.

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About Science Prof Online PowerPoints

About Science Prof Online PowerPoints.

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Chapter 8

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Central Nervous System

Central Nervous System. The Brain. about 100 billion multipolar neurons. Divided into 4 major sections Brain stem Cerebellum Diencephalon Cerebrum. Protective covering. meninges. Blood-brain barrier.

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Strength of Acids and Bases

Strength of Acids and Bases. By Melissa Martin and McKenna Halligan . Strength Of Acids and Bases. The extent to which the acid or base ionises or dissociates in water. Strong acids and bases are electrolytes that dissociate/ ionize almost completely in water.

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Structure & Function of K + Channels

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Human Biology

Human Biology. Chapter 2 Chemistry of living things Atoms/Elements Bonds Water pH Molecules of life Carbohydrates *Proteins Lipids *Nucleic Acids. All Matter Consists of Elements Made of Atoms. Chemistry The study of matter Atoms, the smallest functional unit, consist of

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Mushing along in Chapter 4

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Solubility Product

Solubility Product. Solubility Product Constant. A special case of equilibrium involving dissolving. Solid ? Positive Ion + Negative Ion. Mg(NO 3 ) 2 ? Mg 2+ + 2NO 3 -. Keq = [ Mg 2+ ] [NO 3 - ] 2.

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Water Hardness

Water Hardness. Water Hardness. Definition Concerns Scaling Cleaning Public Health. Causes. Table 19.1. Principle cations causing hardness in water and the major anions associated with them. From USGS. Sources. Water Hardness Rating. From USGS. Methods of Determination.

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Liquid Conductivity The creating and testing of a conductivity meter.

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Ion Conductance and Patch Clamp Methods

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Week 2 Membrane Potential and Nernst Equation

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Measuring Concentration of Ions in Solution

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Water regulation in the kidney

Water regulation in the kidney. The loop of Henle. The descending limb of the loop of Henle is permeable to water The ascending limb is impermeable. Na + and Cl - ions are actively transported out of the ascending limb and passively move into the descending limb.

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The pH concept

The pH concept. [H + ] is cumbersome so the pH scale was created. pH is the negative logarithm of the hydrogen-ion concentration. pH = -log[H + ]. Sample pH problems 1 of 3. The hydrogen-ion concentration of a solution is 2.7 x 10 -10 mol/L. What is the pH of the solution. Answer

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AIM:) What is pH and how can we determine it?

AIM:) What is pH and how can we determine it?. DO NOW: What are some unique properties of water? What are these properties the result of? Why does ice float in water? VOCABULARY: isotope, covalent bond, ionic bond, hydrogen bonds, cohesion, adhesion, pH, solution, acid, base

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