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AveGali [126]
3 years ago
7

Which phrase best describes how scientists use the data they collect

Chemistry
2 answers:
Neko [114]3 years ago
8 0
Your answer would A. Scientists use their data to show the results and that is the best phrase to describe it. Hope this helps sorry if it didn’t
lozanna [386]3 years ago
7 0

Answer:

The correct answer is b

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How any moles of H2O will be produced from 12.3 moles of HCL reacting with Ca(OH)2?
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Answer:

\large \boxed{\text{12.3 mol HCl}}  

Explanation:

We need a balanced chemical equation with moles.

            2HCl +Ca(OH)₂ ⟶ CaCl₂ + 2H₂O

n/mol:    12.3

The molar ratio is 2 mol H₂O:2 mol HCl.

\text{Moles of H$_{2}$O} = \text{12.3 mol HCl} \times \dfrac{\text{2 mol H$_{2}$O}}{\text{2 mol HCl}} = \textbf{12.3 mol HCl}\\\\\text{The reaction produces $\large \boxed{\textbf{12.3 mol HCl}}$}

3 0
3 years ago
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Answer:

C.

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8 0
2 years ago
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Therefore, the answer to this item is the rate of the reaction becomes faster. 
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