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3 years ago

Water is being lost from earth at the rate per a year of what percentage

Chemistry

2 answers:

natta225 [31]3 years ago

8 0

At least 14 to 18 percent of water is being lost each year. I really hope this helps :D

Tomtit [17]3 years ago

6 0

Answer:

The current loss figure is equivalent to ~25,920 liters per day or 9,467 m3 per year

It isn't a percentage, but I hope that helps a little

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Answer:

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Explanation:

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3 years ago

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Write the difference between isomerism and allotropy with one example each.

fredd [130]

Answer:

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Explanation:

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3 years ago

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3 years ago

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3 years ago

If 15 g of C₂H₆ reacts with 60.0 g of O₂, how many moles of water (H₂O) will be produced?

IceJOKER [234]

Answer:

$n_{H_2O}=1.5molH_2O$

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

$2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O$

Next, we identify the limiting reactant by computing the available moles of ethane and the moles of ethane consumed by 60.0 grams of oxygen:

$n_{C_2H_6}^{available}=15g*\frac{1mol}{30g} =0.50molC_2H_6\\n_{C_2H_6}^{reacted}=60.0gO_2*\frac{1molO_2}{32gO_2}*\frac{2molC_2H_6}{7molO_2} =0.536molC_2H_6$

Thus, we notice there are less available moles, for that reason, the ethane is the limiting reactant. Finally, we can compute the produced moles of water by:

$n_{H_2O}=0.50molC_2H_6*\frac{6molH_2O}{2molC_2H_6}\\\\n_{H_2O}=1.5molH_2O$

Best regards.

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3 years ago