Water Volume Change: Cooling From \(4^\circ\text{C}\) to \(0^\circ\text{C}\)
Water exhibits anomalous expansion, meaning its behavior deviates from typical thermal expansion, especially near its freezing point.
Anomalous Expansion of Water
- Water reaches its maximum density at \(4^\circ\text{C}\).
- As water is cooled from \(4^\circ\text{C}\) down to \(0^\circ\text{C}\), its density decreases.
- Volume is inversely proportional to density (\(V = m/\rho\), where \(V\) is volume, \(m\) is mass, and \(\rho\) is density).
- Since the mass of the water (1 kg) remains constant and its density decreases when cooled from \(4^\circ\text{C}\) to \(0^\circ\text{C}\), its volume must increase.
Therefore, when 1 kg of water is cooled from \(4^\circ\text{C}\) to \(0^\circ\text{C}\), its volume increases.
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