Valentina heated a cup of cocoa in the microwave. When she removed it from the microwave, the cocoa was too hot to drink, so she left it on the counter. Valentina forgot about the cocoa for two hours. When she remembered it, she found that the cocoa was the same temperature as the room. How did the cocoa reach room temperature?

1) this is the structure in the cell nucleus that houses a cell's genetic information

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant