Hydrogen gas can be produced by the following equation: Sodium + hydrochloric acid → sodium chloride + hydrogen.

If hydrogen atoms cannot be created, what is the source of the atoms in the hydrogen gas in this reaction?

A. Sodium

B. Both sodium and hydrochloric acid

C. Hydrochloric acid

D. Neither sodium nor hydrochloric acid

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?