21. When air is blown into a balloon, it expands equally in all directions. The best explanation for this is (circle the correct answer): A

Question

21. When air is blown into a balloon, it expands equally in all directions. The best explanation for this is (circle the correct answer): A – The gas molecules in the balloon are expanding B – Internal air pressure acts at right angles to the balloon surface. C – As more air is blown in, the temperature increases causing the balloon to expand.

in progress 0
Nguyệt Ánh 5 months 2021-08-18T15:09:11+00:00 2 Answers 29 views 0

Answers ( )

    0
    2021-08-18T15:10:21+00:00

    Answer:

    C

    Explanation:

    I would have said B but air pressure acts at ALL angles(directions). C makes sense because the increase in the temperature would cause the molecules to bounce off the walls of the balloon and each other which exerts pressure.

    0
    2021-08-18T15:10:59+00:00

    Answer:

    C c hagwguawnjaahwbhanwbhsqn2nusbwvwf

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )