Sodium metal reacts with hydrochloric acid to produce salt and hydrogen gas. what are the reactants in this chemical reaction? a. hydrogen gas and sodium metal b. salt and hydrogen gas c. sodium metal and hydrochloric acid d. sodium metal and salt

The correct answer is option (C).

Explanation:

Sodium metal reacts with hydrochloric acid which produces hydrogen gas and sodium chloride.

RHS = Products, LHS = Reactants

The reactants are sodium metal and hydrochloric acid.

The product are hydrogen gas and sodium chloride solution.

Hence,the correct answer is option (C).

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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