The chemical reaction and enthalpy change for burning methane (CH4) is given below. If 38.5 grams of methane are burned, how many kilojoules of energy are transferred, and is this reaction endothermic or exothermic?

Answer (b) supersaturation;

Answer:   d.  carbon dioxide.

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.