'Cu oh' diaporamas de présentation

Double Replacement 1. Hydrogen sulfide is bubbled through a solution of silver nitrate.

Double Replacement 1. Hydrogen sulfide is bubbled through a solution of silver nitrate. H 2 S(g) + 2 AgNO 3 (aq) ? 2 HNO 3 (aq) + Ag 2 S(s) H 2 S + 2 Ag + + 2 NO 3 - ? 2 H + + 2 NO 3 - + Ag 2 S H 2 S + 2 Ag + ? 2 H + + Ag 2 S.

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Lakeland Chemical Reactions Review

Lakeland Chemical Reactions Review. Click on a question to begin. Question 1. Try Again. Try to balance the O atoms to get the correct coefficient . Try Again. Correct!. The balanced equation is: Fe 2 O 3 + 3CO ? 2Fe + 3CO 2. Next Question. Question 2. Try Again.

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SURVEY OF CHEMISTRY LABORATORY I CHEM 1151L REACTIONS OF COPPER

SURVEY OF CHEMISTRY LABORATORY I CHEM 1151L REACTIONS OF COPPER. CAUTION!!!. BE SURE TO WEAR SAFETY GLASSES AT ALL TIMES IN THE LABORATORY NO EXCEPTIONS TO THIS RULE!. REACTIONS OF COPPER. - To demonstrate chemical changes - To investigate the reactions of copper and its compounds

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FLOTATION OF MINERAL MATERIALS

FLOTATION OF MINERAL MATERIALS. Classification of materials according to their ability to flotation. Class 1. Naturally hydrophobic materials. Graphite, talc, sulfur, some sulfides, coals. collectors: apolar compounds which increase hydrophobicity and speed up flotation.

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Reactions in Chemistry

Reactions in Chemistry. Writing Balanced Chemical Equations. Writing reaction equations. Before you can write a balanced chemical equation for a reaction, you need to write an unbalanced equation. To do this you need to identify several things: What chemicals are reacting?

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Chemical Equations

Chemical Equations. Preparation for College Chemistry Columbia University Department of Chemistry. The Chemical Equation. Writing and Balancing Equations. Information in an Equation. Types of Chemical Equations. Heat in Chemical Equations. The Greenhouse Effect. Chapter Outline.

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Practical no:6

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Unit 4 Part 6

Unit 4 Part 6. Net Ionic Equations. Balancing Net Ionic Equations :. Before learning how to write balanced net ionic equations , we must first learn about electrolytes . Electrolytes. If an aqueous solution of a compound conducts electricity , it is called an electrolyte.

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Precipitate Reactions

Precipitate Reactions. L.O. I can state which are spectator ions in a precipitation reaction. I can make a clean dry precipitate and write the ionic equation for the formation of the precipitate. Precipitation reactions.

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Gas Stoichiometry Demonstrations

Gas Stoichiometry Demonstrations. Electrolysis of water. 2 H 2 O (l) ? 2 H 2(g) + O 2(g). Equal v olumes of gases that have the same temperature and pressure will have the same number of particles. Observe the demonstration. 2 H 2 O (l) ? 2 H 2(g) + O 2(g).

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Reaction in Aqueous Solutions

Reaction in Aqueous Solutions. Aqueous Solutions . Is a solution where Your reactant is dissolved in water (solute) And the water is the solvent. Why is this important. Water pulls the ionic compound, or some covalent molecules apart because of its polarity

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The MOLE

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Ions in Aqueous Solution

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Practical Report

Practical Report. Gravimetric Analysis grams/ litre yeild. Aim. To determine yield of a dissociation /precipitation reaction. Hypothesis. That the mass of precipitate product (dependent variable) is set by the concentration and volumes or reactants (independent variable). Materials.

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Ch. 16 - Chemical Reactions

Ch. 16 - Chemical Reactions. III. Types of Reactions. A. Synthesis. the combination of 2 or more substances to form a compound only one product forms. A + B ? A B. 2P + 3Br 2 ? 2PBr 3. B. Decomposition. a compound breaks down into 2 or more simpler substances only one reactant.

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Reading Chemical Formulas

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O 2-

Br 1-. Br 1-. Br. Br. K. e -. e -. Br 1-. Br 1-. bromine atom. potassium atom. e -. O 2-. potassium ion. bromide ion. Mg 2+. K 1+. K 1+. K 1+. K 1+. K. bromine atom. potassium atom. bromide ion. potassium ion. potassium bromide. KBr. magnesium bromide. potassium oxide.

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Copper Minerals

Copper Minerals. a % composition exercise. Simple Copper Sulfides. Chalcocite: copper (I) sulfide. Tenorite: copper (II) sulfide. 1. Write the formulas for each sulfide and determine the %Cu. Complex Copper Sulfides. Bornite Cu 5 FeS 4. Chalcopyrite CuFeS 2.

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From Ks to solubility

From Ks to solubility. Calculating the amount of solute dissolved in a saturated solution. 1.Calculate the solubility (molL -1 ) of silver iodide AgI Ks ( AgI )= 8.00 x 10 -17. Questions on Ks to solubility. 2.The solubility product of Cu(OH) 2 is 1.00 x 10 -20 . cas

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