Carbon dioxide (CO2) has polar bonds, but the polar bonds are symmetrically opposite to one another, so CO2 is not a polar molecule and does not have permanent dipole-dipole interactions.
However, CO2 has Van der Waals forces, which are the weakest kind of intermolecular forces caused by the instantaneous dipoles arising from random movements of electrons, attracting other molecules by inducing similar dipoles in them. All atoms and molecules have Van der Waals forces, so these are present in CO2.
In addition, the ion-exchange resin is a material that can attract carbon dioxide. The resin consists of positive anions that attract carbon dioxide, with a maximum load of one carbon-dioxide molecule for every positive charge dioxide in dry air and releases it again in humid air. The resin is readily available and can be mass-produced because it is already widely used to soften and purify water.
Carbon dioxide is also fixed in the Calvin cycle, where carbon atoms from CO2 are incorporated into organic molecules and used to build three-carbon sugars. This process is fueled by and dependent on ATP and NADPH from the light reactions. Unlike the light reactions, which take place in the thylakoid membrane, the reactions of the Calvin cycle take place in the stroma of the chloroplasts.
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