The ionization energy for sodium is 5.1 eV and electron affinity of bromine is 3.5 eV. Calculate the largest separation between Na and Br (as neutral atoms) for which they remain a bound molecule. Hint: the molecule will remain bound if the Coulomb energy of ions is lower than energy of neutral atoms. At the dissociation distance, the Coulomb energy between the ions is equal to the energy needed to create them our of neutral atoms:

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro