2. stars composed of heavier (more massive) elements are often slightly older than stars
made predominantly from hydrogen and helium. based on your data, is the newly
discovered star a younger star? explain your answer.

What was bohr’s contribution to the planetary model

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.

What is the vapor pressure of a solution with a benzene to octane?