In a chemical reaction, 18 grams of hydrochloric acid reacts with 20 grams of sodium hydroxide to produce sodium chloride and water. which statement is correct?
the mass of water formed is 38 grams.
the mass of sodium chloride formed is 38 grams.
the total mass of sodium chloride and water formed is greater than 35 grams.
the total mass of sodium chloride and water formed is less than 35 grams.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

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.

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.