If you stacked Avogadro's number of pennies one on top of the other on Earth's surface, how far would the stack extend (in km)?
[For comparison, the sun is about 150 million km from Earth and the nearest star (Proxima Centauri) is about 40 trillion km from Earth.]
1 answer:
Answer:
the length of pennies will be like the Proxima Centauri
Explanation:
50 pennies make the length of a meter, so :
50 pennies = 1 m
x = 1 km
x= (50 x 1000) = 50 000 pennies = 1 Km
Then if the Avogadro´s number is 6.022 x 1023 so:
50 000 pennies = 1 km
6.022 x 1023 pennies = x
x= (6.022 x 1023/ 50 000) = 1.2044 x 1019
This big number is closer to the 40 trillion km of the Proxima Centauri.
Hope this answer is useful.
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