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Endothermic

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- 5 groups of ____ students
- Each group will be answering questions from one type of chemical reaction.
- You will become the experts in your class, and present your answers to the group.
- Use the Padlet space to write down your findings and add pictures/GIF.

- The whole class will be able to access all notes on this platform.

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1)      What type of reaction is this?

2)      What is the general equation used for this type of reaction?

3)      Give a specific example of a chemical equation used in this chemical reaction.

(Feel free to demonstrate this on the white board during presentation.)

4)      What type of reactants are involved in the reaction?

5)      What type of products does it produce?

6)      Give a real-life example when this chemical reaction occurs.

7)      Key scientific terms/ vocabulary words

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- Textbook (pages 238 - 253)
- Internet

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Once you are finished (and are waiting for other to finish):
- go to SEQTA
- find the file "STUDENT COPY Types of Chemical Reaction Worksheet"
- attempt to answer this based on the Padlet notes

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Exothermic. This reaction releases energy in the form of heat into its surroundings as it occurs. this release of energy is due to the fact that the products in this reaction have more energy than the reactants do.

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exothermic.

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X + Y -> XY

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hydrogen gas + oxygen gas -> water vapor

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5.) what type of products does it produce?

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5.) what type of products does it produce?

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Carbon Dioxide.
Carbon Monoxide                      Sulfur Dioxide                          Nitrogen Oxides
Lead
Particulate Matter

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4.)  Types of reactants are involved in the reaction?

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4.)  Types of reactants are involved in the reaction?

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hydrocarbon and oxygen are the reactants

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- Hydrogen gas + Chlorine gas -> HydroChloride
( H2 + Cl2 -> 2HCl )

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XY --> X + Y

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elements or compounds

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soluble + soluble  ----> insoluble
E.G
potassium chloride solution  +  silver nitrate solution
------------------>
potassium nitrate solution  +
silver chloride solid

KCl + AgNO3 ---------> KNO3 + AgCl

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carbonic acid  -> water + carbon dioxide
(H2CO3 -> H2O + CO2)

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carbonic acid

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compunds

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Water and Carbon
Dioxide

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4)      What type of reactants are involved in the reaction? 

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4)      What type of reactants are involved in the reaction? 

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soluble +soluble ------->insoluble

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Combination reactions occur when two reactants combine to form a single product.

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real-life example of when this reaction occurs: 

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real-life example of when this reaction occurs: 

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-  Antacids is medication that has bases (opposite to acid) in it that helps neutralize your stomach acid to cut down on heartburn

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Combination reactions such as HydroChloride are used in industry.
Hydrogen gas and Chlorine gas are combined to form hydrogen chloride gas in large chemical plants.

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Soft drinks

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3) Give a specific example of a chemical equation used in this chemical reaction. 

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3) Give a specific example of a chemical equation used in this chemical reaction. 

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The example of the chemical equation used in this chemical equation is
acid + base → water + salt.
e.g  sulfuric acid+ magnesium hydroxide->magnesium sulfate+ water
H2SO4+mg(OH)2-> mgSO+ 2H2O

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3.) Give a specific example of a chemical equation used in this chemical reaction. 

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3.) Give a specific example of a chemical equation used in this chemical reaction. 

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Respiration Reaction
Glucose + Oxygen → Carbon Dioxide + Water
C6H12O6 + 6O2 → 6CO2 + 6H2O

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Endothermic and exothermic, and a soluble reaction

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It is self explanatory: this is a neutralisation reaction. It occurs when an acid (releases hydrogen ions = H+) reacts with a base (substance that produces hydroxide = OH-). Bases and acids are the 'opposites' of each other, and therefore the product is 'neutral' and has a pH balance of 7. Acids have a higher concentration of hydrogen ions than pure water, and bases have a lower concentration than pure water. Acids have a pH of less than 7 whereas bases have a pH of greater than 7, so when they are mixed to produce a salt, they also produce water, which has a pH of 7 (neutral).

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 Key scientific terms/ vocabulary words 

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 Key scientific terms/ vocabulary words 

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Acid- a substance that produces hydrogen ions when it is dissolved in water
Base- a substance that produces Hydroxide ions when dissolved in water.
Endothermic- describes a physical or chemical process that absorbs energy.
Exothermic- describes a physical or  chemical process that produces energy in the form of heat and light.
Cation- a positively charged ion
ion- an atom that has gained or lost electrons to become electrically charged.

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Lighting a match, burning gas on a stove, igniting fuel in a car and burning coal in a power station

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Let Us Show You The World | Geography Scout

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Geography Scout takes you on a journey around our world. We explore all things from present to the past. Learn about the secrets of Earth with us!

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7.) Key scientific terms / vocabulary words

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7.) Key scientific terms / vocabulary words

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incomplete combustion occurs when a combustion reaction occurs without a sufficient supply of oxygen.

carbon monoxide is a colorless, odorless, and tasteless flammable gas that is slightly less dense than air.

sulfur dioxide is a pungent toxic gas formed by burning sulphur in air

lead is soft and malleable, and also has a relatively low melting point

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exothermic
- An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.

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2)      What is the general equation used for this type of reaction? 

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2)      What is the general equation used for this type of reaction? 

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AB+CD------>AD+CB
soluble+soluble=insoluble

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5) What type of products does it produce?

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5) What type of products does it produce?

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A precipitation reaction occurs when two soluble reactants combine to form an insoluble product known as the precipitate.

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Redox: refers to the gain of electrons.
Oxidation: refers to the lost of electrons.
Half reaction: is the p[art of the overall reaction that represents, separated, either an oxidation or reduction.
Species: when one molecule/ atom is identical to one another.

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Some examples of precipitation are rain, hail, sleet, and snow. Condensation is when cool air turns water vapor back into liquid and makes clouds.

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Precipitate
Soluble
Insoluble
Polyatomic
Compound
Ions

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4) What types of reactants are involved in the reaction?

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4) What types of reactants are involved in the reaction?

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The reactants that are evident in the reaction is acid + base.

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- salt is the product of a acid base reaction.

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What is the general equation used for this type of reaction?

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What is the general equation used for this type of reaction?

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acid + base --> salt + water