consider the reaction that occurs when ammonia gas reacts with oxygen to form nitrogen dioxide and water. how many molecules of oxygen gas must be consumed during the reaction when 100 molecules of ammonia react? enter your answer as a number. do not include the words "molecules".

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

What are fructose and glucose an example of?

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?