A1.450 g sample of an unknown organic compound , x, is dissolved in 15.0 g of toluene
( c7h8 = 92 g/mol) and the freezing point is lowered by 1.33 oc. what is the molecular weight
of the organic compound? (kf = 5.12 oc/m).

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.

Areaction in which products can react to re-form reactants is

What is the vapor pressure of a solution with a benzene to octane?