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Nezavi [6.7K]
3 years ago
15

18)

Chemistry
1 answer:
Nadya [2.5K]3 years ago
3 0

Answer:

B)

Explanation:

because the wind is moving the sand and the rain moves the soil

16) weathering and erosion

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in terms of amounts of energy and harmful radioactive waste produced , which of the following is the most accurate comparison of
Eddi Din [679]

Explanation:

Nuclear fusion produces more energy with less radioactive waste compared to nuclear fission process.

  • In nuclear fission, a radioactive decay occurs in which a heavy nucleus spontaneously disintegrates into two lighter nuclei and several neutrons with the release of energy.
  • Nuclear fusion occurs when small atomic nuclei combines into larger ones with the release of a large amount of energy.
  • Instability of a nuclide is enough to start up a nuclear fission reaction. In some instances, a heavy nuclide is bombarded with another nuclide.
  • In nuclear fusion, the activation energy required to start up is very great.

Nuclear wastes emanating from nuclear fusion process is least compared to that of nuclear fission.

Nuclear fusion produces more energy  compared to nuclear fission process.

Learn more:

Nuclear reaction brainly.com/question/10094982

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3 0
3 years ago
Consider a wooden chair and a balloon. What do these two
ICE Princess25 [194]

Answer:

D)

Explanation:

It is the most realistic

6 0
3 years ago
Calculate the grams of ethane present in a sample containing 0.4271 moles if the molar mass of ethane is 30.067 g/mol.
adelina 88 [10]

The grams of ethane present in a sample containing 0.4271 mole is 12.84 g

<h3>Description of mole </h3>

The mole of a substance is related to it's mass and molar mass according to the following equation

Mole = mass / molar mass

With the above formula, we can obtain the mass of ethane. Details below

<h3>How to determine the mass of ethane</h3>

The following data were obtained from the question:

  • Mole of ethane = 0.4271 mole
  • Molar mass of ethane = 30.067 g/mol
  • Mass of ethane =?

The mass of ethane present in the sample can be obtained as follow:

Mole = mass / molar mass

Cross multiply

Mass = mole × molar mass

Mass of ethane = 0.4271 × 30.067

Mass of ethane = 12.84 g

Learn more about mole:

brainly.com/question/13314627

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5 0
1 year ago
Convert 1.00 us gallon in kilometer (kL)
Murljashka [212]
The answer is 4.54km
5 0
2 years ago
Plants produce a variety of substances:food,flavoring,drugs,poisons.this is a result of
tatuchka [14]

Answer:

Synthesis

Explanation:

They synthesize these chemicals

7 0
3 years ago
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