Aluminum nitride (AlN) reacts with water to produce ammonia (NH3). Calculate the mass of ammonia formed from 72.1 g of AlN.

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?

In which of the following is concentration expressed in percent by volume