The density of a sample of seawater is 1.99 slug/ft? what is the value in the si system? (b) the density of mercury is given as 26.3 slug/ft? . calculate the specific gravity and the specific volume in m3/kg of the mercury. calculate the specific weight in lbf/fton earth and on the moon. acceleration of gravity on the moon is 5.47 ft/s. (c) how many molecules are there in 1 mm of water at 20°c?

Which element is the least metallic between cadmium, silver, zinc, or iron?

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 describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together