If a bat with a mass of 5 kg and acceleration of 2 m/s2 hits a ball whose mass is 0.5 kg in the forward direction, what is the reaction force of the ball on the bat?

a) 0 n, forward
b) 10 n, forward
c) 10 n, backward
d) 0.5 n, upward

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.