CHEMISTRY ENTHALPY LAB HELP I did the first part of the Lab sheet. But, I'm confused on how to finish it. I don't need someone to do it for me I want to understand what it's asking me to do. I'm extremely confused on how to answer 1. and 2. The second chart is also confusing. Will mark brainliest. Also offering 100 points.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c