Hi, I need help with my chemistry homework. The question is:

The glycosidic bond is formed by the reaction of a hemiacetal hydroxyl of monosaccharides with:
a) mineral acids
b) organic acids
c) alcohols
d) ethers

Any reaction would be appreciated, thanks.

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains