Ineed with the bottom one plz and thxs

Dissolving rate because the temperature is the independent variable and the dissolving rate is what you're testing for.

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.

Ibelieve it is b. proton.hope my answer has you : )