Answered

Examine equations A and B below. Then answer the questions.
(A) 2H2 + O2 ® 2H2O (B) H2CO3 - H + HCO3


20. Which equation represents the formation of water?

21. Which equation represents the formation of an acid solution?


22. How many atoms of oxygen (O) are on both sides of equation

23. How many atoms of hydrogen (H) are on both sides of equation

24. How many atoms of hydrogen (H) are on both sides of equation

25. In which equation are carbonic acid molecules broken apart into
hydrogen ions and bicarbonate ions?

Answer :

IHLESTERGO

Answer: 20. A 21. B 22. A=2, B=3 23. A=4, B=3 25. B

Explanation: A has H2O (water). B has a hydrogen ion, so acidic.

In B H2CO3 is carbonic acid

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