2 years ago

The study of the interaction of electrical and magnetic fields, and their interaction with matter, is called _____.

Physics

1 answer:

Dafna11 [192]2 years ago

8 0

It is called Electromagnetism

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2 years ago

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2 years ago

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monitta

Answer:

The number of atoms is $N = 4.37*10^{22} \ atoms$

Explanation:

From the question we are told that

The mass of coin is $m_n = 4.2g$

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Now the relation to obtain the number of atom in the nickel coin is

$N = \frac{Mass \ of Nickel\ coin}{Molar \ mass\ of nickel } * No\ of\atoms \ in \ \ one\ mole\ of\ nickel$

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2 years ago

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