What does the following denote 2N - N2 - 2N2 - N-

1. 2N denotes two nitrogen atoms. 2. N2 denotes one molecule nitrogen gas. 3. nbsp;2N2 nbsp;denotes 2 molecules of nitrogen gas 4. N denotes one 1 atom of e ...

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Standard VII

Chemistry

Physical Nature of Matter

What does the...

Question

What does the following denote 2N , N₂ , 2N₂ , N.

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Solution

1. 2N denotes two nitrogen atoms.
2. N₂ denotes one molecule nitrogen gas.
3. 2N₂ denotes 2 molecules of nitrogen gas
4. N denotes one 1 atom of element nitrogen.

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The coefficient of $x^{n}$ in $\frac{(1 + x)^{2}}{(1 - x)^{3}}$ is :

{lim}_{n \to \infty} (\frac{n}{n^{2}} + \frac{n}{n^{2} + 1} + \frac{n}{n^{2} + 2^{2}} + . . . . . . + \frac{n}{2 n^{2} - 2 n + 1})

is equal to

Q. The value of

lim n \to \infty [\frac{2 n}{2 n^{2} - 1} cos \frac{n + 1}{2 n - 1} - \frac{n}{1 - 2 n} . \frac{n (- 1)^{n}}{n^{2} + 1}]

Q. What do the following denote ?
(i) N
(ii) 2N
(iii) N₂
(iv) 2N₂

Q. The value of

lim n \to \infty [\frac{2 n}{2 n^{2} - 1} cos \frac{n + 1}{2 n - 1} - \frac{n}{1 - 2 n} \cdot \frac{n {(- 1)}^{n}}{n^{2} + 1}]

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What does the following denote 2N , N2 , 2N2 , N.

1. 2N denotes two nitrogen atoms. 2. N2 denotes one molecule nitrogen gas. 3. 2N2 denotes 2 molecules of nitrogen gas 4. N denotes one 1 atom of element nitrogen.

What does the following denote 2N , N₂ , 2N₂ , N.

1. 2N denotes two nitrogen atoms.
2. N₂ denotes one molecule nitrogen gas.
3. 2N₂ denotes 2 molecules of nitrogen gas
4. N denotes one 1 atom of element nitrogen.