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Svetradugi [14.3K]
3 years ago
15

Select the correct answer.

Chemistry
2 answers:
Stels [109]3 years ago
7 0
I would definitely say that the answer is

C. drought

because if they are getting 43.76 inches of rain on average, and then one year they decrease 10.31 inches of rain to 33.45 inches of rain, its a drought for sure.
xenn [34]3 years ago
7 0

Answer: A. drought

Explanation:

A drought is a natural hazard which occurs in a region which receives very low annual rainfall. Due to this reason the area experience desert like conditions for example hot and dry climate, loose or compact soil, and drying up of water resources. The region will experience scarcity of water.

According to the given situation, the amount of annual rainfall received by Boston was reducing according to the data. Therefore, the Boston was experiencing drought.

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Explanation:

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How many grams of Fe are needed to create 32.5mol Fe3O4?
Mademuasel [1]

Answer:

5444.89 grams of Fe

Explanation:

1) We need the chemical equation for Fe3O4 to find the mole ratio for Fe to Fe3O4. Chemical equation:

3Fe+4H2O → Fe3O4+4H2

The mole ratio of Fe to Fe3O4 is 3:1

2) Now, we find how many grams of Fe are needed to produce 32.5 moles of Fe3O4.

32.5 moles Fe3O4x \frac{4 mole O}{1 mole Fe3O4} = 97.5 moles Fe needed to produce 32.5 moles of Fe3O4

3) Convert 97.5 moles of Fe into grams. The molar mass of Fe is 55.845g.

97.5 mole Fex\frac{55.845g Fe}{1 mole Fe} = 5444.8875g or 5444.89g.

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