🧩 Reconstruct the sentences — The mass of air ✍️
Sentence 1:
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1.2 g at 25 °C.
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is equal to
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of one litre of air
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The mass
Sentence 2:
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air decreases as the
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temperature rises.
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of one litre of
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of 1 bar, the mass
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At a pressure
Sentence 3:
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than cold air,
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endency to rise.
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is less dense
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Because warm air
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it has a natural
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