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torisob [31]
3 years ago
7

What is a disadvantage of using moving water to produce electricity?

Chemistry
2 answers:
Gekata [30.6K]3 years ago
8 0

Answer:

From what I know I think the answer is D

Ket [755]3 years ago
7 0
I think the answer is B hope this helps
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How many grams of water are needed to dissolve 27.8 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m solution?
Vanyuwa [196]

Answer: 770 g water are needed to dissolve 27.8 g of ammonium nitrate NH_4NO_3 in order to prepare a 0.452 m solution

Explanation:

Molality : It is defined as the number of moles of solute present per kg of solvent

Formula used :

Molality=\frac{n\times 1000}{W_s}

where,

n= moles of solute

Moles of NH_4NO_3=\frac{\text{Given mass}}{\text{Molar mass}}=\frac{27.8g}{80.0g/mol}=0.348moles  

W_s = weight of the solvent in g = ?

0.452=\frac{0.348\times 1000}{W_s}

W_s=770g

Thus 770 g water are needed to dissolve 27.8 g of ammonium nitrate NH_4NO_3 in order to prepare a 0.452 m solution

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Answer:true

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Explanation:

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The end of the thistle funnel should be dipped under acid to prevent the escape of gas from the thistle funnel.

Explanation:

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Which of the following measurements is expressed to three significant figures?
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Which of the following measurements is expressed to three significant figures?
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Which bond is most polar c-o h-o n-o s-o
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Explanation:

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