It takes 75 mL of a 0.5 M NaOH to neutralize 165 mL of an HCl solution. What is the concentration of the HCl solution?
MV = MV ,
0.5 M
01.0M
O 0.2 M
O 0.4M

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.