Bonding and Chemical Formulas

Slides:

Advertisements

Similar presentations

Chemical Reactions.

Advertisements

Chemical Reactions.

Stoichiometry Chapter 12.

Describing chemical reactions

Chapter 11: Chemical Reacitons

Chapter 9 Chemical Reactions. 9.1: Reactions & Equations Objectives Recognize evidence of chemical change Represent chemical reactions with equations.

 What do you already know about chemical and physical changes?  What do you already know chemical reactions?

Chemical Formulas & Equations 8 th Grade Science 2010 H 2 O NaCl CO 2 2H 2 + O 2 = 2H 2 O.

1. Write a sentence that describes

Mr. Chapman Chemistry 20. Old School Chemistry  In a chemical reaction, substances react with each other to form completely new substances.  There.

Write chemical equations for each of the following reactions.

Chapter 6: Chemical Reactions. Chemical Equation represents a chemical change or reaction Reactants  Products Reactants – chemicals before the reaction.

Chemical Reactions Chapter 8.

Chemical Reactions A process in which one or more substances are converted into new substances with different chemical and physical properties Examples?

Understanding Chemical Reactions. What is a chemical reaction? A chemical reaction is a chemical change which forms new substances. Examples: - The chemical.

Balancing Chemical Equations

Chemical Equations. A Chemical Reaction Reactants Products Yields (produces)

Intro to Chemical Equations

Stoichiopardy Holy Moley Do the 2 or 3 step Random Limit my Percent Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Chempardy.

B2O3 + 3 H2O ---> 2 H3BO3 If diboron trioxide is reacted with water, the product is boric acid. What mass of boric acid is obtained from the full reaction.

Chemical Reactions and Equations CLASS NOTES. Review from last class What types of changes can occur as a result of chemical reactions? – Can you give.

Chapter 6 Chemical Reactions and Equations

Starter Write the balanced formula equation for the following reaction Identify the type of reaction Aqueous lead (II) nitrate was mixed with a hydrochloric.

Chemical Formulas and Equations H 2 O NaCl CO 2 2H 2 + O 2 = 2H 2 O.

Chemical Reactions Glencoe Chapter 23.

Adapted from “The Ultimate Chemical Equation Handbook, 2 nd Edition”

CHEMICAL REACTIONS TRIVIA Click for Question The symbol for a gas in a chemical equation is… (g) Click for: Answer and next Question.

“Chemical Reactions”. All chemical reactions…  have two parts: 1.Reactants = the stuff you start with 2.Products = the stuff you end up with  The reactants.

Chp 8 pg 240. A. Describing Chemical Reactions 1. Intro: a. Chem reaction – one or more substances is changed into one or more different substances b.

CHAPTER 8 Section 1. Chemical Reaction – the process by which one or more substances are changed into one or more different substances Reactants – the.

Stoichiometry. What Is It? Branch of chemistry that shows the relationships among reactants and products in a chemical reaction Equations must be balanced.

CHEMICAL REACTIONS CHAPTER 8. Answer this in your own words. What is a chemical reaction? How do you know a chemical reaction has Occurred?

Chapter 6: Chemical Reactions.  Identify a chemical reaction.  Write balanced chemical equations.

CHEMICAL REACTIONS Chapter 8. I. Forming New Substances A. chemical reactions 1. process where substances change into new substances (a chemical change)

Describing Chemical Reactions The process by which the atoms of one or more substances are rearranged to form different substances is called a chemical.

Bell Work What is the chemical formula for Barium Hydroxide? What is the formula for Calcium Nitrate?

Chapter 6: Chemical Reactions.  Identify and write equations for gas evolution reactions.

ACID RAIN BY DYLON GOOKIN AND TODD RAMSEY

CHEMICAL CHANGES AND HOW CHEMICAL REACTIONS ARE WRITTEN CHAPTER 9 CHEMICAL EQUATIONS.

Chapter 7 Chemical Reactions. Understanding Chemical Reactions A chemical reaction occurs when: A change in energy occurs Exothermic –gives off energy.

Chemical Reactions By cookiesrule The Basics!

Problem #1 For the reaction 2 H 2(g) + O 2(g)  2 H 2 O (g), how many liters of water can be made from 5 L of oxygen gas and an excess of hydrogen?

Limiting Reagents and Percent Yield Limiting Reagent If you are given one dozen loaves of bread, a gallon of mustard and three pieces of salami, how.

CHEMICAL REACTIONS Ch 5.1–5.3. CHEMICAL REACTIONS Chemical Reaction: A process that transforms one set of chemical substances into another When atoms.

YEAR 10 CHEMISTRY Chemical Reactions. 3 Physical & Chemical Changes What is the difference between a physical and a chemical change? What is the difference.

Chapter 10 Chemical Calculations

Chemical Reactions. Know the difference: physical or chemical? Physical Changes form, shape, phase but not what it is Cutting, grinding, molding, breaking.

Law of Conservation of Matter The Law of Conservation of Matter states that matter can neither be created nor destroyed.The Law of Conservation of Matter.

Stoichiometry Notes (Chapter 12). Review of Molar Mass Recall that the molar mass of a compound is the mass, in grams, of one mole of that compound.

Chapter 11: Chemical Reactions Describing Chemical Reactions.

Chemical Reactions Chapter 10. Chemical reaction =process by which the atoms of one or more substances rearrange to form different substances.

CHEMICAL REACTIONS! Chapter 11. Chemical reactions are occurring around us all the time: 1. Food cooking 2. Fuel being burned in a cars engine 3. Digesting.

Describing a Chemical Reaction Indications of a Chemical Reaction –Evolution of heat, light, and/or sound –Production of a gas –Formation of a precipitate.

1 Chapter 6 Chemical Reactions Objectives Write balanced chemical equations Identify types of chemical reaction.

(stoy-key-ahm-e-tree)

Chemical Reactions.

Ch 6.1 Chemical Reactions.

Word … and chemical equations

Balancing Word Equations

MY WIFE’S FAVORITE TYPE IS THE “OVER”

Energy Changes in Reactions (7.3)

Writing Chemical Reactions

Writing Chemical Reactions

Predicting Products of Reactions

Unit 7: Chemical Reactions

Warm Up: Write in your notes

Balancing Equations Unit 5 Lesson 1 Demos It is Eggothermic.

Chemical Reactions Chemical changes are occurring around us all the time Food cooking Fuel being burned in a car’s engine Oxygen being used in the human.

Synthesis Reactions!.

Chapter 5- Chemical Reactions

Presentation transcript:

Bonding and Chemical Formulas Chapter 23 Review

1. What are the reactants in a chemical reaction?

2. A chemical reaction that gives off energy (usually as heat and/or light) is which type of reaction?

3. Name two signs of a chemical change.

4. A chemical reaction that absorbs (takes in) energy, usually getting colder, is which type of reaction?

5. What are the products in a chemical reaction?

Balance the following chemical equation. 6. Calcium oxide, CaO, reacts with sulfur dioxide to form calcium sulfite, CaSO3.

Balance the following chemical equation. 7. Methanol, CH3OH, breaks down (decomposes) into carbon monoxide and hydrogen gas, H2.

Balance the following chemical equation. 8. When heated, tantalum metal reacts with chlorine gas, Cl2, to form tantalum pentachloride, TaCl5.

Balance the following chemical equation. 9. Nitric acid, HNO3, reacts with hydrogen sulfide, H2S, to form nitrogen dioxide, water, and sulfur.

Balance the following chemical equation. 10. Aluminum sulfate, Al2(SO4)3, decomposes to yield aluminum oxide, Al2O3, and sulfur trioxide, SO3.

Stop

1. What are the reactants in a chemical reaction? Beginning materials

2. A chemical reaction that gives off energy (usually as heat and/or light) is which type of reaction? Exothermic

3. Name two signs of a chemical change. Production of smoke Production of gas Change in color Change in temperature

4. A chemical reaction that absorbs (takes in) energy, usually getting colder, is which type of reaction? Endothermic

5. What are the products in a chemical reaction? The ending materials

Balance the following chemical equation. 6. Calcium oxide, CaO, reacts with sulfur dioxide to form calcium sulfite, CaSO3.

Balance the following chemical equation. 7. Methanol, CH3OH, breaks down (decomposes) into carbon monoxide and hydrogen gas, H2.

Balance the following chemical equation. 8. When heated, tantalum metal reacts with chlorine gas, Cl2, to form tantalum pentachloride, TaCl5.

Balance the following chemical equation. 9. Nitric acid, HNO3, reacts with hydrogen sulfide, H2S, to form nitrogen dioxide, water, and sulfur.

Balance the following chemical equation. 10. Aluminum sulfate, Al2(SO4)3, decomposes to yield aluminum oxide, Al2O3, and sulfur trioxide, SO3.