Water exhibits all of the following characteristics except ____.
Question 10 options:
universal solvent
low specific heat capacity
The Correct Answer and Explanation is :
The correct answer is low specific heat capacity.
Explanation:
Water is a unique substance with several remarkable characteristics that are crucial for life and the environment. Here’s a breakdown of its key properties:
- Universal Solvent: Water is often called the “universal solvent” because it can dissolve more substances than any other liquid. This property is essential in biological processes and chemical reactions, as it allows nutrients, minerals, and gases to be transported within organisms and ecosystems. The polar nature of water molecules enables them to interact with various ionic and polar compounds, facilitating their dissolution.
- High Specific Heat Capacity: Water has a high specific heat capacity, not a low one. This means that water can absorb a lot of heat without a significant rise in temperature. The high specific heat is attributed to the hydrogen bonds between water molecules, which require considerable energy to break. This property is vital for regulating temperature in the environment, as it helps moderate climate and allows organisms to maintain stable internal temperatures. For example, large bodies of water can store heat during the day and release it slowly at night, influencing local weather patterns.
- Density and Expansion upon Freezing: Water is most dense at 4°C, and it expands upon freezing, which is why ice floats. This property is crucial for aquatic life during winter months, as it insulates the water below and maintains a livable environment for organisms.
- Cohesion and Adhesion: Water exhibits strong cohesion due to hydrogen bonding, which allows for phenomena like surface tension. It also shows adhesion, enabling it to stick to other substances, which is important for processes such as capillary action in plants.
In summary, water’s high specific heat capacity, not low, is one of its most critical characteristics, underpinning many of its roles in biological and environmental systems.