The density of water is 0.9982 g / cm^3 at 20^∘ C Express...

The density of water is $0.9982 \mathrm{g} / \mathrm{cm}^{3}$ at $20^{\circ} \mathrm{C}$ Express the density of water at $20^{\circ} \mathrm{C}$ in the following units: (a) $g / L_{i}(b) \mathrm{kg} / \mathrm{m}^{3} ;(\mathrm{c}) \mathrm{kg} / \mathrm{km}^{3}$

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Key Concepts

Density

Density is a physical property defined as the mass of a substance per unit volume. It is crucial for understanding how much matter is packed into a given space, and is commonly expressed in various units depending on the context and scale of measurement.

Unit Conversion

Unit conversion involves changing the units of a measurement from one system to another or within the same system, using conversion factors. This is essential for expressing the same physical quantity in different units, ensuring consistency and comparability across different scientific and engineering contexts.

Metric System

The metric system is a decimal-based system of measurement that utilizes standard prefixes to denote powers of ten. Understanding the metric system is important when converting between units like grams, kilograms, and the various units of volume such as cubic centimeters, liters, cubic meters, and cubic kilometers.

Dimensional Analysis

Dimensional analysis is a method used to convert one set of units to another by applying conversion factors in a systematic way. This technique ensures that equations remain dimensionally consistent and is widely used in fields such as physics and chemistry to perform unit conversions accurately.

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