Catalytic cracking of cumene over a silica-alumina catalyst occurred in a laboratory reactor. the observed rate constant during the experiment was 0.90 cm®/(s. gcat) and the order of the reaction was first order. the density and the diameter of the catalyst particle were 1.2 gcat. cm and 0.5 cm, respectively. the effective diffusivity through the catalyst was 1.0 x 10 cm. s! . was there influence of pore diffusion during the experiment?

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explanation:

covalent bonds

consist of pairs of electrons shared by two atoms, and bind the atoms to fixed orientation and requre high energies to break them

ionic bonds

when two atoms differ considerably in their electronegativity, then one of the atoms will lose its electron to the other atom. this results in a positively charged ion(cation) and a negatively charged ion (anion)

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of c is as shown here in the image.