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Substances that can be condensed using a water-cooled condenser are those with boiling points below or near the temperature at which water boils, which is 100°C. When a substance is condensed using a water-cooled condenser, it means that its vapor is cooled down and turned back into a liquid state by passing it through a condenser that is cooled by water.
Examples of substances that can be condensed using a water-cooled condenser include:
1. Ethanol: Ethanol has a boiling point of around 78°C, which is lower than the boiling point of water. Therefore, ethanol can be easily condensed using a water-cooled condenser.
2. Acetone: Acetone has a boiling point of approximately 56°C, making it another substance that can be condensed using a water-cooled condenser due to its low boiling point.
These examples illustrate how substances with boiling points below or near 100°C can be effectively condensed using a water-cooled condenser in various laboratory or industrial processes.