'Chemical equation' diaporamas de présentation

Experiment 15:. SUBSTITUENT EFFECTS ON THE RATE OF ELECTROPHILIC AROMATIC SUBSTITUTION. Objectives:. To explore how different substituent groups on an aromatic ring affect the rate and orientation of electrophilic aromatic substitution using a qualitative bromine test.

Writing and Balancing Chemical Equations. Chemical Equations. Chemical reactions result in chemical changes . Chemical changes occur when new substances are created . The original substance(s), called reactants , change into new substance(s) called products. Chemical Equations.

What are the origins and environmental implications of pollutants in car exhaust gases?. By Oscar Miles. Unburned Hydrocarbons. Origin Product from in complete combustion and evaporation Environmental Effects Cancer Asthma Smog Chemical Equations:

Chemical Equations. Parts of an equation and how to balance. Chemical Equation:. Set of directions for a chemical reaction. The directions tell us: What materials to use How much you need Amount of product you will get. Chemical Equations *. Give info about:

Formulas, Equations, and Moles. Atomic and Molecular Mass. The atomic masses as tabulated in the periodic table are the averages of the naturally occurring isotopes. Mass of C = average of 12 C and 13 C = 0.9889 x 12 amu + 0.0111 x 13.0034 amu = 12.011 amu.

CHEMISTRY TEST REVIEW. MYRTLE BEACH MIDDLE. Indicator 5.1 Recognize that matter is composed of extremely small particles called atoms. All elements are composed of extremely small particles called Atoms What is the smallest part of an element? An Atom An atom has mass and takes up space.

8 th Grade Forming Substances & Types Of Chemical Reactions. The Happy Game. Happy is very hungry. Pick the right lunch box to keep Happy healthy. Happy Game. *Chemical Reaction*. *Chemical Change*.

SOLUTIONS, ACID AND BASES. Solution mixture that has the same composition color , density and taste throughout. Solute substance being dissolved. Solvent substance doing dissolving * Solutions can also be gaseous, like the air you breath, or even solid, like brass and sterling silver.

Chemical Kinetics. CA Standards. Collision Model. Collisions must have enough energy to produce the reaction (must equal or exceed the activation energy). Reactants must have proper orientation to allow the formation of new bonds. Activation Energy.

Unit 10: Energy in Chemical Reactions. Cypress Creek High School Chemistry 1L Chapter 10. States of Matter. Some chemical equations indicate the state of matter of the substances Solid (s) - baking soda Liquid (l) - water Gas (g) - carbon dioxide

Equilibrium &The Haber Process . GCSE REVISION. 1. What does Reversible Reaction mean ? . A reaction that can proceed in both directions. 2. a. What does the Haber Process make? b. Give one use of this product. Ammonia To make fertilisers.

Stoichiometry. Stoichiometry. ____________ - measuring the amounts of substances involved in chemical reactions and relating them to one another. Steps. Write the ____________ chemical equation Start with your ____________ Cross out until you get what you want

Balancing Chemical Equations. CONSERVATION OF MATTER. Conservation of Matter : states that matter cannot be created or destroyed by a chemical change

Ionic Equations. Equations. ____________ – show the complete chemical formulas. Does not indicate ionic character ____________ – shows all ions. Actually how the particles exist in the solution. Steps for Writing Ionic Equations.

Put these into different groups, as many as you can think of. Groups. Compounds & elements Green & blue Ones that were gases & others at rm temp Group 7 & others. Objectives I want you to be able to . Explain why heating to constant mass is important in an experiment

Experiment 23:. THEORY OF COLOR IN ORGANIC COMPOUNDS; PREPARATION AND APPLICATION OF ORGANIC DYES. Objectives:. To synthesize azo dyes with various amines. To study the relationship between the extent of conjugation and the color observed.

Symbolic notation used by chemists to represent a chemical reaction. Chemical Equation. In a chemical equation, everything to the left of the arrow. Reactant – starting materials. In a chemical equation, everything to the right of the arrow. Product – ending materials. Coefficient.

Experiment 17:. NITRATION OF p- methylacetanilide. Objectives:. To synthesize methylnitroacetanilide isomers using an electrophilic aromatic substitution. To purify product by recrystallization. To identify and determine purity of product by melting point, TLC and HPLC analysis.

Mouths are quiet . Homework in your folder . Begin the quick review section of your notes. Raise your hand if you need something. Quick Review. 1. Substances started out with before a chemical reaction occurs = reactants 2. Substances produced by a chemical reaction = product

CHEMICAL REACTIONS. Chem I: Chapter 6 Chem IH: Chapter 11. Reactants: Zn + I 2. Product: Zn I 2. Chemical Reactions… . occur when bonds between valence electrons of atoms are formed or broken involve changes in matter, the making of new materials with new properties & energy changes.