20684090
Descrição
FlashCards por Malachy Moran-Tun, atualizado more than 1 year ago
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Criado por Malachy Moran-Tun
aproximadamente 4 anos atrás
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| Questão | Responda |
| Fill in the blank: A ____________ acid contains a large mass of acid in a given ________ of solution | concentrated volume |
| Fill in the blank: A ____________ acid contains a small mass of acid in a given ________ of solution | dilute volume |
| pH has a difference of ×____ for each level (eg 2 is ×____ more concentrated than 1) | ×10 |
| What is a strong acid? | An acid that completely dissociates (splits up) into ions when dissolved in water |
| What is a weak acid? | An acid that only partially dissociates (splits up) into ions when dissolved in water |
| What is a base? | A chemical above pH 7 that reacts to form a salt and water |
| What is an alkali? | A dissolved base |
| What are the standard equations for neutralisation? | acid + metal oxide --> salt + water acid + metal hydroxide --> salt + water acid + metal --> salt + hydrogen acid + metal carbonate --> salt + water + carbon dioxide |
| What is a precipitate? | An insoluble salt usually formed in a precipitation reaction |
| Oh no... Solubility Rules? | Soluble: All common Sodium, Potassium and Ammonium salts All nitrates Most Chlorides Most Sulfates Sodium, Potassium, Ammonium Carbonate Sodium, Potassium, Ammonium Hydroxide Insoluble: Silver Chloride Lead, Barium, Calcium Sulfate Most Carbonates Most Hydroxides |
| What is a redox reaction? | A reduction and oxidation reaction, it has lost and gained electrons |
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