NH3(g) + HCl(s) → NH4Cl(s). The entropy change in the system is? by Sunday | Oct 12 | Chemistry JAMB | 0 comments A. positive B. zero C. negative D. indeterminate Correct Answer: Option C – negative Users Also Read These:When NH4Cl(s) is dissolved in water, the container…If the change in free energy of a system is -899…The gas given off when NH4Cl is heated with an alkali is?Consider the reaction represented by the following…25cm³ of a 0.2 mol dm³ solution of Na2CO3 requires…