13535247
Descrição
FlashCards por Alvaro Vargas Calero, atualizado more than 1 year ago
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Criado por Alvaro Vargas Calero
aproximadamente 6 anos atrás
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| Questão | Responda |
| Exothermic reaction | An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. |
| Expressed in a chemical equation: reactants → products + energy. Exothermic Reaction means "exo" meaning releases and "thermic" means heat. So the reaction in which there is release of heat with or without light is called exothermic reaction. | |
| some examples | |
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Image:
Rust (binary/octet-stream)
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| Measurement | Energy released is measured in Joule per mole. The reaction has a negative ΔH(heat change) value due to heat loss. e.g.: -123 J/mol |
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