Sodium Bicarbonate and Acetic Acid (Vinegar Volcano)
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NaHCO3 + CH3COOH → CH3COONa + H2O + CO2
Обзор
Baking soda reacts with vinegar to produce sodium acetate, water, and carbon dioxide gas. This endothermic reaction absorbs heat, making the mixture slightly cooler. The vigorous fizzing from CO2 is one of the most widely performed kitchen chemistry experiments.
Участники
| Роль | Вещество | Коэффициент | Состояние |
|---|---|---|---|
| Реагент | Sodium Bicarbonate NaHCO₃ | 1 | (s) |
| Реагент | Acetic Acid CH₃COOH | 1 | (aq) |
| Продукт | Water H₂O | 1 | (l) |
| Продукт | Carbon Dioxide CO₂ | 1 | (g) |
Пример из жизни
The classic baking soda and vinegar volcano is probably the most popular science fair experiment of all time, demonstrating acid-base reactions.
Промышленное значение
Sodium acetate produced by this reaction is used as a food preservative, in heating pads (supersaturated solution crystallization), and in textile dyeing.
Свойства
- Обратимая
- Нет
- Энергия
- Эндотермическая
- ΔH
- 12,0 kJ/mol