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3 years ago

As a water wave nears the coastline, what happens to the height and speed of the wave?

Chemistry

1 answer:

yulyashka [42]3 years ago

6 0

Answer:

D or B

Explanation:

Waves break by shorelines so height will decrease. I dont know about wave speed so i put two answers

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sveta [45]

The season that is starting is winter.
The answer to 21 is (4)

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3 years ago

The total volume of seawater is 1.5 x 1021L .Assume that seawater contains 3.1 percent sodium chloride by mass and that its dens

son4ous [18]

Answer:

Mass in kg = 4.7*10^19 kg

Mass in tons = 5.2*10^16 tons

Explanation:

Given:

Total volume of sea water = 1.5*10^21 L

Mass % NaCl in seawater = 3.1%

Density of seawater = 1.03 g/ml

To determine:

Total mass of NaCl in kg and in tons

Calculation:

Unit conversion:

1 L = 1000 ml

The volume of seawater in ml is:

$=\frac{1.5*10^{21}L*1000ml }{1L} =1.5*10^{24} ml$

$Mass\ seawater = Density*volume = 1.03g/ml*1.5*10^{24} ml=1.5*10^{24}g$

$Mass\ NaCl\ in\ seawater = \frac{3.1}{100}*1.5*10^{24} g=4.7*10^{22} g$

To convert mass from g to Kg:

1000 g = 1 kg

$Mass\ seawater(kg) = \frac{4.7*10^{22}g*1kg }{1000g} =4.7*10^{19} kg$

To convert mass from g to tons:

1 ton = 9.072*10^6 g

$Mass\ seawater(tons) = \frac{4.7*10^{22}g*1ton }{9.072*10^{6}g } =5.2*10^{16} tons$

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3 years ago

About the instruction that marko gave to hinano

Elden [556K]

Answer: he gave him a map of somewhere

Explanation:

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2 years ago

Anyone know the answer to number 1?

Andrew [12]

The rate at which the substance dissolves in water.

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3 years ago

(9443+45−9.9) (9443+45−9.9) ×8.4× 10 6

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3 years ago