What is destroyed and what is created during chemical reactions?

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

How does the viscosity of magma change as magma cools?

Chromosome 17 is made of over million base pairs.