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AlladinOne [14]
4 years ago
14

Element that has two isotopes has an average atomic mass of 199.7. if 75.56% of the atoms of the element have an atomic mass of

197.4, what is the atomic mass of the other isotope?
Chemistry
1 answer:
Klio2033 [76]4 years ago
5 0
I just learned this myself and it was sort of confusing to me. Inbox me and I'll do my best to explain it.
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What is the atomic mass number of an isotope that has an atomic number of 5 and includes 6 neutrons?
irinina [24]

The answer should be; 11

The atomic mass number is found by combining the number of protons and neutrons

Hope this helps :)

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Determine whether the bonds in CCl4 and N2 are polar or non-polar. If the bond is polar, assign the partial positive and negativ
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3 years ago
What is the ph value of the produced solution when hcl reacts with naoh ?
algol13

Answer:

The answer to your question is: 7

Explanation:

The reaction between HCl and NaOH is a neutralization reaction, that means that the products will be water and a salt and the pH will be 7.

                     HCl + NaOH  ⇒  NaCl + H₂O

4 0
3 years ago
How are the three phrases of agriculture (shifting, labor-intensive, mechanized monoculture) different in terms of description,
natka813 [3]

Answer:

Explanation:

Shifting, labor intensive and monoculture are different in terms of description,restrictions and problem.

Shifting is an agriculture method in which an area if land is cultivated for a while and abandoned for the soil to regain and preserve it's fertility. It is done to restore soul fertility.

It has restrictions because it is done in places where there is large areas of land, if there is not large area of land, it will be done.

It can lead to defforestation because trees are cut fine for land cultivation and after a while the land is abandoned and trees are cut down some where else too.

Labor intensive refers to agricultural industry requiring or needing large amount of labor to produce agricultural products. Labor intensive is restricted to areas where there is low or no people who can engage in agricultural services.

Labor intensive require high skilled people which might not be available.

Monoculture is a farming system where by a single crop is cultivated in an area of land.

The problem of monoculture is that it displaces species and nutrients occuring naturally in an ecosystem.

Monoculture is restricted in areas where diversity of crops are needed.

4 0
3 years ago
What are some remarkable properties of water
frosja888 [35]

Explanation:

  • Water can dissolve in many things because of it's polarity and surface tension.
  • Water is the only substance that is lighter in its solid form.

7 0
3 years ago
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