Monday, September 20, 2010

What's in the atomic mass?

What is Avogadro's number?
How does it relate to the atomic mass?
If Cl mass is 35.453, how many atoms are there in 15 g of Chlorine?

Tuesday, September 7, 2010

HBIO-P2,P4,P7: Theory vs. Law of Evolution

Comment on the validity of the expression "Theory of Evolution" vs. "Law of Evolution". As a guideline try to discuss this topic too: has there ever been a documented case that contradicts the notion of evolution? Remember to substantiate your opinion with citations from reputable sources.