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Nata [24]
4 years ago
8

Why is an element's atomic mass not listed as a whole number on the periodic table?

Chemistry
1 answer:
BARSIC [14]4 years ago
5 0

Answer: it represents an average mass of all isotopes

Explanation:

i just took the test

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When placed inside of a magnetic field, nmr active nuclei act in what way? (1 pt)
ololo11 [35]

When placed inside of a magnetic field, the magnetic field that electrons generate aligns in the opposite direction of the applied magnetic field.

Also, someone who is very popular and attracts people has a charming personality. A powerful speaker that attracts many fans has an engaging way of speaking. A magnetic person is attracted to you as if by a magical magnetism. Both meanings of magnetic have to do with the force of attraction. Only ferromagnetic materials such as iron, cobalt and nickel are attracted to magnetic fields strong enough to be considered truly magnetic.

All magnetic fields contain energy, also called magnetic energy. In physics, it is a constant. Magnetic energy is a form of energy from moving charge carriers (electrons) because magnetic fields are generated by electric currents.

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6 0
1 year ago
2. When 400 J of heat is added to 5.6 g of olive oil at 23*C, the temperature increases to 87*C. What is the specific heat of th
Maksim231197 [3]

Answer:

The answer to your question is C = 1.116 J/g°C

Explanation:

Data

Q = 400 J

mass = 5.6 g

Temperature 1 = T1 = 23°C

Temperature 2 = T2 = 87°C

Specific heat = C = ?

Formula

Q = mC(T2 - T1)

- Solve for C

C = Q / m(T2 - T1)

- Substitution

C = 400 / 5.6 (87 - 23)

- Simplification

C = 400 / 5.6(64)

C = 400 / 358.4

- Result

C = 1.116 J/g°C

7 0
4 years ago
Various plant and animal species are on the verge of extinction.
olga2289 [7]

Answer:

  1: A.) adapted

  2: A.) habitat destruction

Explanation:

Some (few) animals are capable of adjusting their behaviors in relation to human activity and the changes humans make in their habitat. Most are so well adapted to the details of their habitat that they are incapable of surviving when those details change.

"Because all organisms are <u>adapted</u> to their native habitat, human activities that result in <u>habitat destruction</u> are a major reason for their extinction."

_____

<em>Comment on human activities</em>

My friendly local rodent exterminator observed that rodent activity has picked up substantially, since so much human activity has been curtailed by quarantine orders.

3 0
4 years ago
The element X has 2 valence electrons. its is a
Lesechka [4]

helium, beryllium, magnesium, calcium, strontium, barium, radium. i believe any of these are proper answers.


6 0
4 years ago
What charge does a covalent bond have?
lys-0071 [83]
Basically a covalent bond would have been made based on two atoms so that it can collaboratively set a trace of more electrons. Although there is no atom that is zero which if it had that then it would considerably be a net charge which it is not from this problem. What makes it unique about it is that this attractive force from creating the bond of the electrons that would be purposely activated that are the nuci for constructive used into two atoms.
8 0
3 years ago
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