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Digiron [165]
3 years ago
10

because the coldness in the ice cream and the suns gamma rays are hitting the ice cream and then it will start to melt. and that

is why ice cream melts.
Chemistry
1 answer:
Neko [114]3 years ago
5 0

Answer:

...

Explanation:

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3. Determine the moles of sodium, Na, containing 7.9x1024 atoms.​
-BARSIC- [3]

Answer:

12.7mol Na.

Explanation:

Hello there!

In this case, according to the concept of mole, which stands for the amount of substance, we can recall the concept of Avogadro's number whereby we understand that one mole of any substance contains 6.022x10²³ particles, for the given atoms of sodium, we can calculate the moles as shown below:

7.9x10^{23}atoms*\frac{1mol}{6.022x10^{23}atoms} \\\\

Thus, by performing the division we obtain:

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Regards!

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Answer:. In the case of neon, it is electrical energy that pulls the electrons off.

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