Which option is the basic unit of water, a compound? A. A water atom
B. A hydrogen atom
C. A hydrogen molecule
D. A water molecule

Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no

Why do consumers feel warmer after eating a meal

Can someone me with these questions plz.