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Elodia [21]
3 years ago
15

How do you differentiate between gas and a vapour ?

Chemistry
1 answer:
kolbaska11 [484]3 years ago
6 0
Gas is a substance that will not phase change.

And vapor is a substance above it's boiling point temperature.
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3 years ago
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Answer:

The correct answer is B) HOOCCH2CH2COOH(aq)

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Both Ka1 and Ka2 are low, so the acid will dissociate only slightly into HOOCCH2CH2COO- ions and even more slightly into -OOCCH2CH2COO- ions. The concentration of hydronium ions (H₃O⁺) will be consequently low. The species that will be in the highest concentration will be HOOCCH2CH2COOH (the weak acid not dissociated).

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2 years ago
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