A sample of CO2 gas (3. 0 mol) effused through a pinhole in 18. 0 s. It will take s for the same amount of H2 to effuse under the same conditions.

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.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Which description best characterizes the motion of particles in a solid?