Methane

Methane is a chemical compound with the chemical formula CH₄. It is a colorless, odorless gas that is the simplest alkane and the main component of natural gas. Methane is a significant greenhouse gas and plays a crucial role in the Earth's carbon cycle.

Properties of Methane

• Molecular Formula: CH₄
• Odor: Odorless
• State: Gas at room temperature and pressure
• Flammability: Highly flammable
• Density: 0.717 kg/m³

Sources of Methane

Methane is produced by both natural and human-related sources:

• Natural Sources: Wetlands, termites, oceans, and wildfires
• Human-Related Sources: Agriculture (livestock), fossil fuel extraction and combustion, landfills, and wastewater treatment

Uses of Methane

Methane has various industrial and domestic uses, including:

• Heating and cooking fuel
• Electricity generation
• Production of hydrogen and synthesis gas
• Chemical feedstock for the production of various organic compounds

Environmental Impact

Methane is a potent greenhouse gas, with a much higher global warming potential than carbon dioxide over a 20-year period. It contributes to climate change and has implications for global warming and the Earth's atmosphere.

Study Guide

Here are some key points to remember when studying methane:

1. What is the chemical formula of methane?
2. What are the natural sources of methane?
3. How is methane used in industrial and domestic applications?
4. What is the environmental impact of methane?

Understanding the properties, sources, uses, and environmental impact of methane is essential for comprehending its significance in the context of energy, the environment, and climate change.