What is the pH of a solution with [н'] = 7.0 x 107?

А. 6.15

В. б. 15

с. 7.00

D. 8.45

What are 3 remaining types of bonds beside covalent and ionic?

A student is titrating 50 mL of 0.32 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?

what is the change in chemical potential when two moles of oxygen is transport from partial pressure of 10 ATM to personal pressure of 1 ATM at 300 Kelvin

Which term describes magma that cools on the surface of the earth? A. feldspar B. limestone C. lava D. coquina

How many chemical bonds can a single atom of these elements form: hydrogen, carbon, nitrogen

Water (3030 g) is heated until it just begins to boil. If the water absorbs 5.49*105 J of heat in the process, what was the initial temperature of the water?

Identify the number of core and valence electrons for each atom. Xe : core electrons Xe : valence electrons Ca : core electrons Ca : valence electrons Br : core electrons Br : valence electrons

What do the lines around the finger of the doorknob represent?

Identify what type of reaction is below. Also determine what coefficients that would balance the chemical equation.

Much of life on Earth is based in aquatic biomes. What property of water allows life to survive in liquid water?