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zimovet [89]
3 years ago
12

The ancient remains or trace of once-living things.

Chemistry
1 answer:
vodka [1.7K]3 years ago
6 0
Archeology? maybe im not too sure
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Sodium sulfide reacts with hydrochloric acid to produce hydrosulfuric acid and sodium chloride. (you need to write and balance t
VikaD [51]

Answer:

2.5 moles of NaCl

Explanation:

The balanced chemical reaction equation is shown in the image. Since it takes 2 moles of Hydrochloric acid to form two moles of sodium. Chloride, then 2.5 moles of hydrochloric acid should also form 2.5 moles of sodium chloride according to the balanced reaction equation.

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3 years ago
Name the following bases<br> -Ba(OH)2<br> - Ca(OH)2<br> -RbOH
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Ba(OH)_2\rightarrow \bold{\green{Barium\: hydroxide}}

Ca(OH)_2\rightarrow \bold{\red{Calcium\: hydroxide}}

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3 0
2 years ago
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Rate=[a]*([b]^2)*([c]^(1/2)]
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it increases  times 2*(2^(1/2)=2√2
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