Tres personas quieren preparar café instantáneo. La primera persona disuelve dos cucharadas de café en agua tibia y lo mezcla con ayuda de una cuchara. La segunda persona disuelve dos cucharadas de café en agua caliente. La tercera persona disuelve dos cucharadas de café en agua caliente y lo agita. Resuelva la siguiente pregunta ¿Cuál de las tres personas disuelve el café con mayor facilidad?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

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.

What methods could you use to solubilize calcium carbonate