Consider the following reaction: Zn (s) + 2HCl (aq) --> ZnCl 2 (aq) + H 2 (g) Co

Question

Consider the following reaction:

Zn (s) + 2HCl (aq) --> ZnCl2 (aq) + H2 (g)

Compared to the value for Go (under standard conditions), select every change that will make the reaction more spontaneous.

Increasing the concentration of HCl

Increasing the concentration of ZnCl2

Increasing the pressure of H2

Decreasing the pressure of H2

Increasing the amount of zinc metal

Increasing the concentration of HCl

Increasing the concentration of ZnCl2

Increasing the pressure of H2

Decreasing the pressure of H2

Increasing the amount of zinc metal

Explanation / Answer

reaction "more spontanous" will be if

we increase reactants, therefore they will produce products

---> increase HCl; will make it spontanous

---> increasing Zn metal, will make it spontanous

if we increase pressure of gases, then we increase their concnetration.

---> decreasig H2 pressure, will make it more spontanous

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