A3.33-l flask is filled with propane gas (c3h8), at 1.00 atm and -24.5°c. what is the mass of the propane in the flask?

Find the protons, electrons and neutrons for strontium with a mass of 83

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.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.