The teacher puts you in charge of measuring the pH of a marked solution of 0.0050 M HCL. What is the pH of this solution?

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Which statement describes both homogeneous mixtures and heterogeneous mixtures?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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.