Apiece of copper has a mass of 660 g. how many atoms does the sample contain?
in the boxes above, enter the correct setup that would be used to solve this problem.
drag conversion units onto the boxes in the equation to make conversions. some boxes can be left empty. click on a unit to remove it from its position.660 g × × × = invalid ratioinvalid ratioinvalid ratio1 cm3 cu = 9 g cu 1 kg = 1000 g 1 l = 1000 cm39.5 × 1021 atoms cu = 1 g cu 1 cm3 = 1 ml

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

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.