Concept Development Practice Page 20-1 Gases 1. A principle difference between

Question

Concept Development

Practice Page

20-1

Gases

1. A principle difference between a liquid and a gas is that when a liquid is under pressure, its

volume

(increases) (decreases) (doesn’t change noticeably)

PHYSICS

and its density

SIGHS

(increases) (decreases) (doesn’t change noticeably)

When a gas is under pressure, its volume

(increases) (decreases) (doesn’t change noticeably)

and its density

(increases) (decreases) (doesn’t change noticeably)

1

2. The sketch shows the launching of a weather balloon

at sea level. Make a sketch of the same weather balloon 1

when it is high in the atmosphere. In words, what is

different about its size and why?

1

1

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Thạch Thảo 3 years 2021-08-01T02:22:00+00:00 1 Answers 453 views 0

Answers ( )

  1. lethu
    0
    2021-08-01T02:23:30+00:00
    Reply

    Answer:

    The answer is below

    Explanation:

    The main difference between a liquid and a gas is that when a liquid is under pressure, its volume “won’t change apparently. The reason is that the distance between the molecules of a liquid is relatively small, and the molecules of a liquid extensively withstand the compressive forces. This is similar to the distance between the molecules of a solid.”

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