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Alexxandr [17]
2 years ago
13

What is the empirical formula of butenedioic acid​

Chemistry
2 answers:
icang [17]2 years ago
7 0

Answer:

C4H4O4

Explanation:

Hope this helps!

garik1379 [7]2 years ago
3 0
The formula is C4H4O4
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<h3>What is Manometer ?</h3>

Manometer is a U shaped instrument which is used to measure the pressure acting on a column of fluid , a difference in the pressure  in the two arms of the manometer causes the liquid to reach different heights.

The difference  in the heights of the Hg columns in Diagram B is17 mm-Hg.

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The pressure of the confined gas will be 769-17 = 752 mmHg

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