Chemthink ionic bonding

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

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.