Use bond energies to calculate the enthalpy of the complete combustion of propane. C-C 347 kJ/mol. C-H 413 kJ/mole, O=O 498 kJ/mol, C=O 805 kJ/mol, O-H 464 kJ/mol

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.