Alguien que me diga 3 ejemplos de Composición porcentual por favor..

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .