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Recursos > exothermic reaction

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How to Keep Your Light Sticks Lit Up Longer

On a fall night, you’ve probably seen fireflies glowing in the bushes. Fireflies use chemiluminescence, a very efficient process that converts energy to light. Light sticks use a similar process. Do y ...

Developing a New, Improved Cold Pack

Determine (a) which of the following chemicals, ammonium chloride, calcium chloride or sodium chloride would be best for lowering the temperature of water in a cold pack and (b) if the amount of the b ...

Stay Warm for Lif? Basic

Learn how a South African teen developed a life jacket liner that uses chemical reactions to produce heat and keep people warm in the water.

It is an educational content of CK-12 Foundation (to access ...

Exothermic Reaction? At grade

Definition of an exothermic reaction, the role of energy and examples of exothermic reactions.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged ...

Conservation of Energy in Chemical Reaction? At grade

The law of conservation of energy and how energy is conserved in chemical reactions.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Activation Energ? At grade

Definition of activation energy and why all chemical reactions require it.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Energy and Biochemical Reaction? At grade

Covers the role of energy in chemical reactions.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Chemical Reactions and Energy - Advance? Advanced

Covers the role of energy in chemical reactions.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

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