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Preparing for the Science Alive Workshop Carbon Dioxide Chemistry Carbon Dioxide Chemistry or ph*t*synthes*s subl*me ac*d*c refr*gerate s*l*d d*uble b*nd cancer gase*us d*p*le sm*ke Carbon Dioxide Chemistry or photosynthesis ph*t*synthes*s subl*me sublime ac*d*c acidic refr*gerate refrigerate s*l*d solid d*uble b*nd double bond cancer gase*us gaseous d*p*le dipole sm*ke smoke Carbon Dioxide Chemistry change keep something from solidcharge cold to gas uneven electrical photosynthesis acidic double bond refrigerate cancer dipole smoke sublime solid gaseous Carbon Dioxide Chemistry Chemical properties Uses photosynthesis acidic double bond refrigerate cancer dipole smoke Physical properties sublime solid gaseous Carbon Dioxide Chemistry Most molecules can exist as gases, liquids and solids, depending on the temperature. For example if you heat ice, it becomes water, and if you heat water, it becomes a gas. Carbon dioxide is gaseous at room temperature. However, in much colder temperatures, it is a solid . This is called dry-ice. It has this name because it is never wet – it is never a liquid. We say that carbon dioxide can sublime which means that it can change directly from a solid to a gas. Carbon dioxide is a linear molecule so it does not have a dipole . Oxygen is linked with carbon through a double bond . In an aqueous solution it is acidic. Carbon Dioxide Chemistry Preparing for the Science Alive Workshop Carbon Dioxide Chemistry