Question

Calculate the number of molecules present in 7g of nitrogen gas​

Answer 1

Answer:

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given :

time taken by mahesh to reach the maket from his house on his cycle is 15 minutes.

the speed of the cycle is 4 m/s.

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Answer 2

N2 = 2×14 g = 28g

28 gram of Nitrogen contains 6×10²³ molecules

7 gram of Nitrogen contains 1.5 × 10²³ molecules.

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