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How are seawater and pure water similar? How are they different?

Seawater and pure water are similar in that they are clear (transparent) and yellow/blue in color. They are different in that seawater tends to have a lower pH, higher density, lower freezing point, and a higher boiling point than pure water.

Seawater and pure water are similar in that they are clear (transparent) and blue/green in color. They are different in that seawater tends to have a higher pH, lower density, higher freezing point, and a lower boiling point than pure water.

Seawater and pure water are similar in that they are clear (transparent) and blue/green in color. They are different in that seawater tends to have a higher pH, higher density, lower freezing point, and a higher boiling point than pure water.

Seawater and pure water are similar in that they are clear, and are blue/green in color. They are different in that pure water tends to have a higher pH, higher density, lower freezing point, and a higher boiling point than seawater.

Seawater and pure water are similar in that they are clear, blue/green, have the same pH, same density, and the same freezing and boiling points.

User TimeIsNear
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Final answer:

Seawater and pure water are clear, transparent, and can appear blue under certain conditions. Seawater has a higher density, pH level, boiling point, and lower freezing point due to dissolved salts. These differences are critical in understanding the properties and interactions involving water in various environments.

Step-by-step explanation:

Similarities and Differences between Seawater and Pure Water

Seawater and pure water are both liquids that are clear and transparent. They are capable of dissolving other substances, making water an excellent universal solvent. One of the key similarities is their appearance: under certain conditions, both seawater and a large body of pure water will exhibit a light blue tint due to the physics of light absorption and scattering.

The differences between seawater and pure water are primarily due to the salts dissolved in seawater. Seawater contains about 3.5% dissolved solids, with sodium chloride (NaCl) being the most abundant, making it denser and imparting a higher boiling point and lower freezing point compared to pure water. Moreover, the presence of these salts and ions such as hydrogen carbonate (HCO3), which is more abundant in blood than seawater, significantly affects the acidity and pH level of seawater.

The pH level of seawater tends to be higher (more basic) compared to pure water. The dissolved salts in seawater increase its density relative to pure water. Additionally, dissolved substances like magnesium and calcium can be found in natural water sources, affecting properties such as hardness and pH.

User Chamil Kandamby
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