A 0.7549 g sample of the compound burns in O2(g) to produce 0.8852 g of CO2(g) and 0.2716 g of H2O(l) (i) Calculate the individual masses of C, H, and O in the 0.7549 g sample.

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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.

Which of the following units is not an official si unit? mole liter kilogram ampere