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Molodets [167]
3 years ago
6

5. How are the members of Kingdom Archaebacteria different from the

Chemistry
1 answer:
yan [13]3 years ago
5 0

Answer:

5. C

6. B

Explanation:

sana nakatulong

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<u>Significance</u><u> </u><u>of</u><u> </u><u>dams</u><u> </u><u>and</u><u> </u><u>canals</u><u> </u><u>are</u><u> </u><u>:</u><u>-</u><u> </u>

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In a hydrogen atom, the electron and the proton are seperated by about 0.5 angstroms, 5.0×10−11 m. what is the acceleration of a
nadya68 [22]

The charge of proton and electron is equal in magnitude that is 1.6\times 10^{-19} C. The distance between electron and proton is 0.5 \AA or 5\times 10^{-11} m.

Force exerted on electron by proton is calculated as follows:

F= \left | \frac{kq_{e}q_{p}}{r^{2}} \right |

Here, k is Coulomb's constant, q_{p} is charge on proton,  q_{e} charge on electron and r is distance between them.

Putting the values,

F= \left | \frac{(8.99\times 10^{9}N m^{2}/C^{2})(1.6\times 10^{-19} C)(1.6\times 10^{-19} C)}{(5\times 10^{-11} m)^{2}} \right |=9.2\times 10^{-8} N

Now, according to second law of Newton,

F=m_{e}a

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Also, 1 N=1 kgm/s^{2}

Rearranging,

a=\frac{F}{m_{e}}=\frac{9.2\times 10^{-8} Kg m/s^{2}}{9.11\times 10^{-31} kg}=1.01\times 10^{23} m/s^{2}

Thus, the acceleration of an electron in this atom is 1.01\times 10^{23} m/s^{2}.


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