WebThe expansion of the universe is the increase in distance between any two given gravitationally unbound parts of the observable universe with time. It is an intrinsic expansion whereby the scale of space itself changes. The universe does not expand "into" anything and does not require space to exist "outside" it. This expansion involves neither …
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Web24 okt. 2024 · Explanation: It is a physical change because there is an increase in air pressure inside the balloon. When the balloon bursts then it becomes small in respect … WebThe chemical composition of the materials (metal and balloon) remains the same, the only change is the intermolecular spacing. Hence expansion is a physical property and not a … lighting centers
Does the pressure inside the bag of balloon increases or …
Web23 jul. 2024 · This is a physical change because the inflation or deflation of balloon can be reversed to its original state. There is no change in composition or chemical property of balloon. 2. Physical change is that change where there occurs change only in their physical property and has no effect on chemical composition. 3. Physical change can … Web19 sep. 2024 · Inflating a balloon is a reversible change. When air is blown into a balloon, its shape and size change and the balloon gets inflated. Now when the air filled in the … WebWhen a balloon goes up higher in the air, its size will increase. Since there's less air in the upper atmosphere, there's less stuff pushing back on the balloon, and hence the pressure is lower, which allows the balloon to expand. Answer 4: If the balloon is flexible, then it expands as it rises to altitudes with lower air pressure. peak chain link fencing