TICKET TIME TEST REVIEW 1. 1 HOW MANY ATOMS ARE IN THIS MOLECULE? 3.

Slides:



Advertisements
Similar presentations
Ch. 8 – Chemical Equations & Reactions Define a Chemical Reaction Comprised of symbols and formulas that represent the reactant & products of the chemical.
Advertisements

Comprehensive Science Mr. Knighton
Physical Science Chemical Reactions. Changes in Matter Physical Change -A change that alters the form of a substance but not the chemical makeup of the.
Chemical Reactions And Enzymes. A chemical reaction is a process that changes, or transforms, one set of chemicals into another. Mass and energy are conserved.
P HYSICAL P ROPERTIES Physical property – characteristic that can be observed without changing the composition of a substance Appearance includes things.
Chemical Formulas & Equations 8 th Grade Science 2010 H 2 O NaCl CO 2 2H 2 + O 2 = 2H 2 O.
Endothermic And Exothermic Reactions. Chemical bonds and Energy Chemical energy is the energy stored in the chemical bonds of a substance. Energy changes.
ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with the products. You may see an exothermic reaction.
Energy and Reactions. matter and energy matter: anything that has mass and takes up space energy: ability to do work or cause change energy is used anytime.
Compare and contrast CO2 and O2
Chemical Reactions Chapter 23.
Energy and Reactions Breaking of bonds requires an input of energy. The formation of bonds requires a release of energy. The total energy that exists before.
Chemisty Review. Elements are represented by 1, 2, or 3 letters. They always begin with a capitol letter, followed by lower case letters (if any). Example:
A BCDE.
Matter and Change 11.1 Describing Chemical Reactions Chapter 11
Chemical Reactions. What is a chemical reaction? A chemical reaction is the process by which the atoms of one or more substances are rearranged to form.
Chapter 9 State Standards: 3.b; 3.f; 5.a; 5.b; 5.c 1Contreras.
Physical Science: Ch 7 Notes
Jeopardy ChemicalPhysicalFormulasEquations Chemistry Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.
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
CHEMICAL REACTIONS. Chemical Reactions A process by which the atoms of one or more substances are rearranged to form different substances A process by.
Chemical Formulas and Equations H 2 O NaCl CO 2 2H 2 + O 2 = 2H 2 O.
 Chemical Reaction – Occurs when substances undergo chemical changes to form new substances › Usually you can see a chemical change take place!  Signs.
Types of Chemical Reactions
OBJECTIVE10/11/13 TLW, with 100% participation, distinguish between physical and chemical changes, discern indicators of a chemical reaction, analyze components.
Chemical Reactions: is the process by which one or more substances change to produce one or more different substances.
Types of Reactions and Balancing Equations.  A. also known as a “chemical change”  B. Indicators of a Chemical Reaction  1. Light production  2. Odor.
Chemical Equations. What is a “chemical equation”?  Chemical Equations use symbols to represent a chemical reaction and show the relationship between.
Types of Chemical Reactions. Parts of a chemical reaction Reactant- Products- Arrow- Coefficient- Subscript- Parentheses-
Chemical Change: Occurs when one or more substances are changed into new substances with different properties; cannot be undone by physical means.
Explain it with Atoms and Molecules In a chemical equation, like the one below, you will notice that there are regular-sized numbers in front of some of.
Physical properties Chemical propertiesChemical reactionsEnergy reactionsMiscellaneous 100.
Notes – Chemical Changes Chem/HChem 2013 Assign # 20 pts.
 A chemical formula tells you which elements are in a compound and how many atoms of each element there are.  For example: C 6 H 12 O 6 There are 6.
Describing Chemical Reactions The process by which the atoms of one or more substances are rearranged to form different substances is called a chemical.
CHEMICAL CHANGES AND HOW CHEMICAL REACTIONS ARE WRITTEN CHAPTER 9 CHEMICAL EQUATIONS.
Changes in Matter Physical Change -A change that alters the form of a substance but not the chemical makeup of the substance, a change of state Words like:
CHEMICAL REACTIONS.
Chemical Equations Is a chemical reaction that is written using chemical formulas Can also be written in words Vinegar + Baking Sodium + Water + Carbon.
Chemical Change: Occurs when one or more substances are changed into new substances with different properties; cannot be undone by physical means.
Unit 4 Review Callie Buffington.
Physical vs. Chemical Change How are they different?
Chemical Reactions. When a chemical undergoes a chemical change, it changes its identity. Wood burns to ashes Dynamite explodes into gaseous compounds.
Chemical Reactions. As compared to a “Physical Change” like ice to liquid water When a chemical undergoes a chemical change, it changes its identity.
Essential Question (pg. 141): How do I know if a chemical reaction has occurred and what types of reactions are there? 4 indications of a chemical reaction:
Chemical Reactions. Different than a “Physical Change” (like ice to liquid water) When a chemical undergoes a chemical change, it changes its identity.
1 Chapter 6 Chemical Reactions Objectives Write balanced chemical equations Identify types of chemical reaction.
When two or more substances react to produce new compounds with different physical and chemical properties.
Chemical Reactions. DEMONSTRATIONS OF CHEMICAL REACTIONS – LINKED ON THE WIKI.
Putting chemical reactions into words
Chemical Reactions Chapter 5.
Propane has three atoms of carbon and eight atoms of hydrogen
Chemical Reactions.
Chemical Reactions and Equations
Changing Matter Matter can be changed two ways: Physically Chemically
Chemical Reactions and Equations
Types of Chemical Reactions
Evidence of a Chemical Reaction
Chemical Equations.
Chapter 6 Chemical Reactions
Changing Matter Matter can be changed two ways: Physically Chemically
Physical Science Chapter 6 Chemical Reactions.
Chemical Reactions Chapter 4 Lesson 1 p. 212.
Balancing Equations and The Law of Conservation of Mass
Chemistry of Life 2.4 Chemical Reactions.
Gallery walk Chapter 7.
How to identify and classify reactions
Chemical Reactions.
Heating and Cooling Curve
Presentation transcript:

TICKET TIME TEST REVIEW 1

1 HOW MANY ATOMS ARE IN THIS MOLECULE? 3

1 HOW MANY MOLECULES DO YOU SEE BELOW? 4

1 WHICH NUMBER IS THE COEFFICIENT? 4 4CO 2

2 WHAT ARE THE PRODUCTS (2) IN THE FOLLOWING REACTION? C & D 2HCl + Ca(OH) 2 H 2 Ca + 2AgS A.HCl B.Ca(OH) 2 C.H 2 Ca D.2AgS

2 WHICH LETTER(S) REPRESENT THE REACTANTS? A + B C A + B

2 WHICH GRAPH WOULD REPRESENT AN EXOTHERMIC REACTION? A AB

1 WHERE ARE THE NEW SUBSTANCES FORMED DURING A CHEMICAL REACTION LOCATED IN THE EQUATION? PRODUCTS

1 WHICH NUMBER IS THE COEFFICIENT? 2 2NO 3

1 WHAT TYPE OF REACTION RELEASES HEAT? EXOTHERMIC

1 HOW MANY ATOMS ARE IN THE COMPOUND BELOW? 5

1 WHICH SAMPLE BELOW WOULD REPRESENT AN ELEMENT? B ABC

1 WHAT TYPE OF REACTION FEELS COOL OR COLD TO TOUCH? ENDOTHERMIC

2 WHICH LETTER(S) REPRESENT THE PRODUCT(S)? A + B C C

2 WHAT TYPE OF REACTION REQUIRES ENERGY TO OCCUR (LIKE PHOTOSYNTHESIS)? ENDOTHERMIC

1 WHICH OF THE FOLLOWING IS NOT A CHEMICAL CHANGE? FREEZING A.RUSTING B.SOURING C.FREEZING

1 WHICH NUMBER IS THE SUBSCRIPT? 2 4CO 2

2 WHICH GRAPH WOULD REPRESENT AN ENDOTHERMIC REACTION? B AB

2 HOW MANY ELEMENTS ARE IN THE COMPOUND BELOW? 3 4C 6 H 12 O 6

1 WHICH OF THE FOLLOWING IS NOT EVIDENCE OF A CHEMICAL CHANGE? EVAPORATION A. NEW ODOR B. BUBBLES C. EVAPORATION

2 HOW MANY ELEMENTS ARE IN THE COMPOUND BELOW? 2 3CH 4

2 WHAT DO YOU SAY WHEN YOU READ THE ? A + B C YIELDS

1 HOW MANY TOTAL ATOMS DO YOU SEE BELOW? 16

1 WHICH SAMPLE BELOW WOULD REPRESENT A COMPOUND? A ABC

1 HOW MANY ELEMENTS ARE IN THE COMPOUND BELOW? 3

2 HOW MANY ATOMS ARE IN THE COMPOUND BELOW? 15 3CH 4

1 WHICH SAMPLE BELOW WOULD REPRESENT A MIXTURE? C ABC

3 HOW MANY ATOMS ARE IN THE COMPOUND BELOW? 96 4C 6 H 12 O 6

1 WHICH NUMBER IS THE SUBSCRIPT? 3 2NO 3

2 WHAT ARE THE REACTANTS (2) IN THE FOLLOWING REACTION? A & B 2HCl + Ca(OH) 2 H 2 Ca + 2AgS A.HCl B.Ca(OH) 2 C.H 2 Ca D.2AgS

1 WHAT TYPE OF REACTION ABSORBS HEAT? ENDOTHERMIC

2 WHAT IS THE CORRECT FORMULA FOR A COMPOUND THAT HAS TWO ATOMS OF HYDROGEN AND TWO ATOMS OF OXYGEN? C A. H 2 O B. 2H 2 O C. H 2 O 2