How do you know a physical change has occurred when evaporating water produces gaseous water?

A
A chemical change has resulted in a new substance.

B
A chemical change has resulted in a change of state.

C
A physical change has resulted in a phase change, not a change in composition.

How many grams of n2h4 will be consumed by 23 g of n2o4

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.

How much carbon is stored in the atmosphere as co2