In a solution at 25°c the [h+] is 3.5x10^-6 m. what is the [oh-]?

a) 3.5x10^-20 m
b) 2.9x10^-9 m
c) 1.0x10^-7 m
d) 3.5x10^-6 m

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

Why do electrons further from the nucleus have more energy