Question

18. When a chemical reaction takes place in an open system, matter_____.

(A) can enter from the surroundings, but cannot escape to the surroundings
(B) can enter from or escape to the surroundings
(C) can escape to the surroundings, but not enter from the surroundings
(D) is not allowed to enter from or escape to the surroundings

Answer 1

can enter from or escape to the surroundings

Step-by-step explanation:

i tried it and it worked

Answer 2

A) can enter from the surroundings, but cannot escape to the surroundings