'Pb no3' diaporamas de présentation

Counting Atoms and Balancing Chemical Equations

Counting Atoms and Balancing Chemical Equations. Subscripts. C 12 H 22 O 11 There are 12 atoms of Carbon There are 22 atoms of Hydrogen There are 11 atoms of Oxygen If there is not a subscript listed, it is understood to be 1. NaCl There is one atom of Sodium There is one atom of Chlorine.

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Types of Chemical Reactions

Chemical Reactions. Types of Chemical Reactions. A. Combustion. the burning of any substance in O 2 to produce heat. A + O 2 ? B. CH 4 (g) + 2O 2 (g) ? CO 2 (g) + 2H 2 O (g). Reactants: Hydrocarbon + oxygen Some substance + oxygen Products: Carbon dioxide + water Oxide compound.

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Predicting Products of Chemical Reactions.

Identify the type of reaction. Two elements: One compound: One compound, One element: Two compounds Hydrocarbon + O 2. Synthesis Decomposition Synthesis or Single replacement Synthesis or Double replacement Combustion. Predicting Products of Chemical Reactions.

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Reaction Types

Reaction Types. Section 5.2. Objectives. Distinguish among five general types of chemical reactions Predict the products of some reactions based on the reaction type Describe reactions that transfer or share electrons between molecules, ions, or atoms. But why?.

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Double Displacement (or Replacement) Reactions

Double Displacement (or Replacement) Reactions. Also referred to as metathesis reaction The two compounds exchange ions to produce two new compounds. It is easier to simply remember that the cations (+ ions) exchange anions (- ions). A B + C D ? C B + A D

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Chemistry SBA

Chemistry SBA. BAC (Qualitative analysis) [Version 1]. Link with NSS curriculum: Topic IV (Acids and Bases) Number of period required 1 ? 40 minutes Experimental work: 20 minutes Prior knowledge sub-sections (a) and (d) of topic IV Objective

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Warm Up

Warm Up. Balance the following equations: CuSO 4 + K 3 PO 4 ? Cu 3 (PO 4 ) 2 + K 2 SO 4 3CuSO 4 + 2K 3 PO 4 ? Cu 3 (PO 4 ) 2 + 3K 2 SO 4 C 6 H 12 O 6 + O 2 ? H 2 O + CO 2 C 6 H 12 O 6 + 6O 2 ? 6H 2 O + 6CO 2. The 5 Types of Chemical Reactions. Unit Six, Day Two Kimrey

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Smarter Science Use at Central Peel Secondary school

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Warm-up Balance the following equations:

Warm-up Balance the following equations:. Ba(OH) 2 + HCl ? BaCl 2 + H 2 O LiClO 3 ? LiCl + O 2 C 6 H 14 + O 2 ? H 2 O + CO 2. Types of Reactions. A. Combustion. Hydrocarbon + oxygen ? carbon dioxide and water CH 4 + 2O 2 ? CO 2 + 2H 2 O 2C 8 H 18 + 25O 2 ? 16CO 2 + 18H 2 O.

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III. Types of Chemical Reactions (p. 289 - 296)

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Balancing c hemical e quations

Balancing c hemical e quations. Learning Objectives: State the Law of conservation of mass Convert word equations into symbol equations Balance symbol equations. The Limestone cycle.

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Mass to Mass Stoichiometry

Mass to Mass Stoichiometry. Honors Chemistry Unit 5. Ex. How many grams of copper (I) sulfide could be produced from 7.90 g copper (I) chloride reacting with an excess of H2S gas? Steps to Solve : 1. Write a balanced equation. Determine what you start with and what you want to know.

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(c) Identify the limiting reactant. Show calculations to support your identification .

3. A 0.150 g sample of solid lead(II) nitrate is added to 125 mL of 0.100 M sodium iodide solution. Assume no change in volume of the solution. The chemical reaction that takes place is represented by the following equation . Pb (NO3)2( s) + 2 NaI ( aq ) ? PbI2(s) + 2 NaNO3( aq )

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Qualitative Analysis of Q

Qualitative Analysis of Q. Salt contains 1 cation and 1 anion. Make appropriate amt of DILUTE solution in boiling tube. NaOH , Al foil, warm. 2 cm portion. Test for anion. 6 cm portion. Test for cation. Dil HNO 3. 2 cm portions. 1-2 cm portion. AgNO 3. Ba (NO 3 ) 2. Pb (NO 3 ) 2.

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Net Ionic Equations

Net Ionic Equations. Show the physical state of each component in the reaction If a compound is soluble, it is broken into appropriate aqueous ions. Example 2: Fe(s) + AgNO 3 ( aq ) ? ? Molecular Equation: Fe(s) + 2AgNO 3 ( aq ) ? 2Ag(s) + Fe(NO 3 ) 2 ( aq ) Total Ionic Equation:

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Types of Chemical Rxns

Types of Chemical Rxns. Synthesis: A + B ? AB 2H 2 + O 2 ? 2H 2 O Decomposition: AB ? A + B 2H 2 O 2 ? 2H 2 O + O 2 Single Replacement: A + BC ? B + AC 2Al + 3CuCl 2 ? 2AlCl 3 + 3Cu Double Replacement: AC + BD ? AD + BC 2NaI + Pb (NO 3 ) 2 ? PbI 2 + 2NaNO 3

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