Boiling point of water in Celsius?

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Multiple Choice

Boiling point of water in Celsius?

Explanation:
The main idea is the boiling point of water at standard atmospheric pressure. At sea level (about 101 kPa), water boils when it reaches 100°C, the temperature where its vapor pressure equals the surrounding air pressure. This is why 100°C is the boiling point under those conditions. The other numbers reference either freezing points or temperatures far above the boiling point, so they don’t describe the boiling temperature at 1 atm. For context, 373.15 K equals 100°C, linking the Celsius value to the common kelvin scale.

The main idea is the boiling point of water at standard atmospheric pressure. At sea level (about 101 kPa), water boils when it reaches 100°C, the temperature where its vapor pressure equals the surrounding air pressure. This is why 100°C is the boiling point under those conditions. The other numbers reference either freezing points or temperatures far above the boiling point, so they don’t describe the boiling temperature at 1 atm. For context, 373.15 K equals 100°C, linking the Celsius value to the common kelvin scale.

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