1. What is Density?

Density is a physical property of matter defined as mass per unit volume. For solids, it's typically measured in grams per cubic centimeter (g/cm³). Density helps identify materials and determine their purity or composition.

2. How Does the Calculator Work?

The calculator uses the density formula:

Where:

• \( D \) — Density (g/cm³)
• \( M \) — Mass (g)
• \( V \) — Volume (cm³)

Explanation: The equation shows that density increases with greater mass or smaller volume.

3. Importance of Density Calculation

Details: Density is crucial for material identification, quality control, buoyancy calculations, and determining purity of substances.

4. Using the Calculator

Tips: Enter mass in grams and volume in cubic centimeters. Both values must be positive numbers. For irregular solids, use water displacement to measure volume.

5. Frequently Asked Questions (FAQ)

Q1: What are typical density values for common solids?
A: Aluminum ~2.7 g/cm³, Iron ~7.87 g/cm³, Gold ~19.3 g/cm³, Wood ~0.6 g/cm³.

Q2: How does temperature affect density of solids?
A: Most solids expand slightly when heated (volume increases), causing small decreases in density.

Q3: Why measure density in g/cm³ for solids?
A: This unit is convenient for most solid materials and allows easy comparison with reference tables.

Q4: How to measure volume of irregular solids?
A: Use water displacement method - measure water volume before and after immersion.

Q5: What's the difference between density and specific gravity?
A: Specific gravity is density relative to water (dimensionless), while density has units of mass/volume.