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Lyrx [107]
4 years ago
15

Explain the reactions with oxygen and explain reactivity with links to nuclear charge and shielding

Chemistry
1 answer:
Angelina_Jolie [31]4 years ago
4 0
The oxygen mixes with the nuclear cgarge and creates a sheild
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True or false: If the pressure is constant, as the temperature of a gas increases the volume increases.
DerKrebs [107]

Answer:

False.

Explanation:

Because if there is more space in the container for the gas to move, there is less pressure.  There would be a decrease in the pressure

3 0
3 years ago
How does the entropy of a system change when equal volumes of ethanol and water are mixed to form a solution? these are the answ
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5 0
3 years ago
How has technology helped to reduce the spread of infectious disease?
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6 0
4 years ago
What is the electric force on a proton 2.5 fmfm from the surface of the nucleus? Hint: Treat the spherical nucleus as a point ch
sammy [17]

Explanation:

It is known that charge on xenon nucleus is q_{1} equal to +54e. And, charge on the proton is q_{2} equal to +e. So, radius of the nucleus is as follows.

            r = \frac{6.0}{2}

              = 3.0 fm

Let us assume that nucleus is a point charge. Hence, the distance between proton and nucleus will be as follows.

              d = r + 2.5

                 = (3.0 + 2.5) fm

                 = 5.5 fm

                 = 5.5 \times 10^{-15} m     (as 1 fm = 10^{-15})

Therefore, electrostatic repulsive force on proton is calculated as follows.

              F = \frac{1}{4 \pi \epsilon_{o}} \frac{q_{1}q_{2}}{d^{2}}

Putting the given values into the above formula as follows.

           F = \frac{1}{4 \pi \epsilon_{o}} \frac{q_{1}q_{2}}{d^{2}}

              = (9 \times 10^{9}) \frac{54e \times e}{(5.5 \times 10^{-15})^{2}}

              = (9 \times 10^{9}) \frac{54 \times (1.6 \times 10^{-19})^{2}}{(5.5 \times 10^{-15})^{2}}

              = 411.2 N

or,           = 4.1 \times 10^{2} N

Thus, we ca conclude that 4.1 \times 10^{2} N is the electric force on a proton 2.5 fm from the surface of the nucleus.

8 0
4 years ago
If solid become liquid can it become solid again
velikii [3]

Answer:

Yes!  It's because of like freezing and or solidification. It's the phase transition in which a liquid turns into a solid. It's when the temperature is lowered to or below a type of  freezing point.

Explanation:

3 0
3 years ago
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