Which equation represents a chemical equilibrium?
1)N2(l)<-->N2(g)
2)2NO2(g)<--->N2O4(g)
3)CO2(s)<-->CO2(g)
4)NH3(l)<--NH3(g)

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.

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green