What is the beginning of the end for main sequence stars?

What is the value of keq for the reaction expressed in scientific notation?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.