Carbon dioxide is a chemical compound with the chemical formula CO 2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature and at normally-encountered concentrations it is …

In Earth's atmosphere, carbon dioxide is a trace gas that plays an integral part in the greenhouse effect, carbon cycle, photosynthesis and oceanic carbon cycle. It is one of three main greenhouse gases in the atmosphere of Earth .

Carbon dioxide is an end product in organisms that obtain energy from breaking down sugars, fats and amino acids with oxygen as part of their metabolism. This is a process known as cellular respiration .

二氧化碳（IUPAC名： carbon dioxide ，分子式： CO 2 ）是 空氣 中常見的 化合物 ，由两个氧 原子 与一个碳原子通过 极性共价键 连接而成。 空氣中有微量的二氧化碳，約佔0.04％。

二氧化碳（IUPAC名： carbon dioxide ，分子式： CO 2 ）是 空气 中常见的 化合物 ，由两个氧 原子 与一个碳原子通过 极性共价键 连接而成。 空气中有微量的二氧化碳，约占0.04％。

二氧化碳（IUPAC名： carbon dioxide ，分子式： CO 2 ）是 空氣 中常見的 化合物 ，由兩個氧 原子 與一個碳原子通過 極性共價鍵 連接而成。 空氣中有微量的二氧化碳，約佔0.04％。

Carbon capture and storage (CCS) is a process by which carbon dioxide (CO 2) from industrial installations is separated before it is released into the atmosphere, then transported to a long-term storage location.

MSDS for solid carbon dioxide is available from Pacific Dry Ice, inc. Structure and properties. Structure and properties Index of refraction, n D: 1.000449 at 589.3 nm and 0 °C [1]

Carbon dioxide is removed from the atmosphere primarily through photosynthesis and enters the terrestrial and oceanic biospheres. Carbon dioxide also dissolves directly from the atmosphere into bodies of water (ocean, lakes, etc.), as well as dissolving in precipitation as raindrops fall through the atmosphere. When dissolved in water, carbon ...

Carbon dioxide dập tắt lửa, và một số bình cứu hỏa, đặc biệt là các loại được thiết kể để dập cháy do điện, có chứa carbon dioxide lỏng bị nén. carbon dioxide cũng được sử dụng như là môi trường khí cho công nghệ hàn, mặc dù trong hồ quang thì nó phản ứng với ...