'White precipitate' presentation slideshows

Tests for cations in solution

Tests for cations in solution. Cations are positive ions. The cations you need to be able to identify are:. copper iron(III) silver iron(II) magnesium zinc aluminium lead barium sodium. Copper Solutions containing Cu 2+ (aq) will be blue/green in colour.

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Unit 7: Chemical Equations

Chemistry. Unit 7: Chemical Equations. For a reaction to occur, particles of reactants must collide, and with sufficient energy . Evidence of a chemical reaction:. odor . light. heat. gas emitted. sound. color change. A reaction has occurred if the chemical and physical

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Lab Activity 7 Proteins Part I

Lab Activity 7 Proteins Part I. IUG, Spring 2014 Dr. Tarek Zaida. Background. Casein can be precipitated by: 1. Calcium ions 2. HCl 3. Renin 4. Bacteria. Experiment1: Isolation of Casein from cow milk. Reagents 20 ml milk, Glacial acetic acid (100%), Ethanol (95% v/v),

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Carry out procedures to identify ions present in solution

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Chemical and Physical Change Demonstrations

Chemical and Physical Change Demonstrations. Memorable Moments of Change.

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Qualitative Analysis

Qualitative Analysis. Chemistry 12/12AP. General Rules. Recap of the general rules: Cations All Group 1 and ammonium (NH 4 + ) ions are soluble Anions All nitrates are soluble All Cl - , Br - , and I - are soluble (except for Ag + , Pb +2 , and Hg 2 +2 )

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Anion tests

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PHENOL

PHENOL. Acidity of phenol Reaction with sodium Nitration and bromination of the aromatic ring. Physical Properties of Phenol. Phenol organic compound containing hydroxy (-OH) group directly attached to a benzene ring. E.g : Colourless crystalline solid at room temperature.

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Topic 16 Chunk 1

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Carbon Dioxide from Respiration

Carbon Dioxide from Respiration. Carbon dioxide from respiration is demonstrated by two chemical reactions. PURPOSE. To demonstrate that carbon dioxide is expelled from the lungs by seeing it react with limewater (calcium hydroxide) and bromothymol blue indicator. DEMONSTRATION:.

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Reactions in Solution

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9 Solution Problem

9 Solution Problem. Develop an Empirical Data Template for Knowns. 0.1 M AgNO 3 0.2 M A1(NO 3 ) 3 0.2 M BaCl 2 3 M HCl 0.5 M KClO 3 0.3 M Na 2 CO 3 3 M NaOH 0.3 M Na 2 SO 4 1 M NH 4 Br. AgNO 3.

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Tests for ions

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Xanthoproteic Test

Xanthoproteic Test. Xanthoproteic Test. Xanthoproteic test is for the aromatic amino acids, tyrosine and tryptophan. The third aromatic amino acid, phenylalanine dose not respond this test. Principle.

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What am I? I am diatomic, used in respiration and relight a glowing splint?

What am I? I am diatomic, used in respiration and relight a glowing splint? I am produced by respiration and turn lime water cloudy? I bleach damp litmus paper and was used in the trenches? I am a fuel that can be used in cars, I only produce water when I combust?

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Chemical Reactions Project

Chemical Reactions Project . By Rachelle Gwozdz and Rebeccah Bailey . Crazy Chemical Wording!!. Lead (II) Nitrate + Sodium Hydroxide . The Formula is: Pb (NO 3 ) 2 + NaOH The Balanced Equation is: 1 Pb (NO 3 ) 2 ( aq )+ 2 NaOH (s) ? 2NaNO 3 ( aq ) + 1 Pb (OH) 2.

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a) Derive the electronic configurations of the p-block elements

a) Derive the electronic configurations of the p-block elements. (b) The inert pair effect This applies to Groups 3,4 and 5. The effect refers to the fact that the lower valency values become more stable as the group is descended. Group 4

2.18k views • 5 slides