Carbon Dioxide

CO₂

IUPAC: Carbon dioxide

CAS: 124-38-9

概述

Carbon dioxide is a colorless gas vital to life on Earth. It is produced by combustion, respiration, and volcanic activity, and is used by plants in photosynthesis.

组成

元素 符号 原子 原子质量
Carbon C 1 12.0110
Oxygen O 2 15.9990

元素组成

C
Carbon ×1
27.3%
O
Oxygen ×2
72.7%

用途

  • • Carbonated beverages
  • • Fire extinguishers
  • • Dry ice
  • • Photosynthesis

趣味知识

  • ✦ CO₂ makes up only 0.04% of Earth's atmosphere but is critical for the greenhouse effect
  • ✦ Solid CO₂ (dry ice) sublimates directly to gas

安全性

  • ⚠ Asphyxiant at high concentrations

Structure

SMILES

C(=O)=O

属性

类型
oxide
状态
gas
摩尔质量
44.01 g/mol
密度
0.0020 g/cm³
熔点
-78.5 °C
沸点
-56.6 °C
溶解度
1.45 g/L at 25°C

Molecular Descriptors

Exact Mass
43.9898
XLogP
0.9
TPSA
34.1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
3
Complexity
18.0

相关化合物

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Cadmium Oxide

CdO

Frequently Asked Questions

What is Carbon Dioxide?
Carbon Dioxide (CO₂) is a oxide compound with the IUPAC name Carbon dioxide.
What is the molecular weight of Carbon Dioxide?
Carbon Dioxide has a molar mass of 44.01 g/mol.
What state is Carbon Dioxide at room temperature?
Carbon Dioxide is a gas at room temperature.
Is Carbon Dioxide organic or inorganic?
Carbon Dioxide is classified as an inorganic compound.
What elements make up Carbon Dioxide?
Carbon Dioxide (CO₂) is composed of Carbon (C), Oxygen (O).