ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with...

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ENDOTHERMIC AND EXOTHERMIC REACTIONS

Transcript of ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with...

Page 1: ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with the products. You may see an exothermic reaction.

ENDOTHERMIC AND EXOTHERMIC

REACTIONS

Page 2: ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with the products. You may see an exothermic reaction.

EXOTHERMIC REACTIONS

• Chemical Reactions that RELEASE heat with the products.

You may see an exothermic reaction written like this…

REACTANTS PRODUCTS + ENERGY

OR

REACTANTS PRODUCTS + HEAT

Page 3: ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with the products. You may see an exothermic reaction.

ENDOTHERMIC REACTIONS

• CHEMICAL REACTIONS THAT ABSORB ENERGY OR HEAT IN THE REACTANTS.

You may see an endothermic reaction written like this…

ENERGY + REACTANTS PRODUCTSOR

HEAT + REACTANTS PRODUCTS

Page 4: ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with the products. You may see an exothermic reaction.

EVIDENCE OF REACTIONS

• AFTER AN EXOTHERMIC REACTION, THE PRODUCTS FEEL HOT!

• AFTER AN ENDOTHERMIC REACTION, THE PRODUCTS FEEL COLD!

Page 5: ENDOTHERMIC AND EXOTHERMIC REACTIONS. EXOTHERMIC REACTIONS Chemical Reactions that RELEASE heat with the products. You may see an exothermic reaction.

ENDOTHERMIC OR EXOTHERMIC?

Sunlight + 6CO2 + 6H2O C6H12O6 + 6O2

CH4 + 2O2 CO2 + 2H2O + Energy

ENDOTHERMIC!

EXOTHERMIC!


Endothermic/Exothermic {PowerPoint}

Endothermic/Exothermic {PowerPoint}

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Lesson 1: Exothermic and endothermic reactions

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define exothermic and endothermic reactions exothermic and endothermic reactions classify reactions as exothermic or endothermic based on experimental observations relate energy changes

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Lecture B. Day 4 Activities: Exothermic or endothermic? Objectives –Be able to identify exothermic and endothermic reactions based on temperature change.

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Research Article Effects of Exothermic/Endothermic ...downloads.hindawi.com/archive/2013/692516.pdf · Effects of Exothermic/Endothermic Chemical Reactions with Arrhenius Activation

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Exothermic and Endothermic Reactions © Teachable. Some rights reserved. .

Exothermic and Endothermic Reactions © Teachable. Some rights reserved. .