2 years ago

प्रश्न 01. बेकिंग सोडा बनाने के लिए आवश्यक सामग्री निर्माण की विधि एंव रासायनिकसमीकरण लिखिए।

Chemistry

1 answer:

salantis [7]2 years ago

6 0

Answer:

i can't understand your question haha

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Moles of Zn(NO3)2 in 131.50g of this substance.

Degger [83]

number of moles= mass / molecular mass
mass=131.50g
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number of moles = 131.50 g/189.39 g/mol =0.69433 mol

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Svetradugi [14.3K]

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qaws [65]

Answer:

$E_{ionization}=5.45\times 10^{-19}\ J$

Explanation:

$E_n=-2.18\times 10^{-18}\times \frac{1}{n^2}\ Joules$

For transitions:

$Energy\ Difference,\ \Delta E= E_f-E_i =-2.18\times 10^{-18}(\frac{1}{n_f^2}-\frac{1}{n_i^2})\ J=2.18\times 10^{-18}(\frac{1}{n_i^2} - \dfrac{1}{n_f^2})\ J$

$\Delta E=2.18\times 10^{-18}(\frac{1}{n_i^2} - \dfrac{1}{n_f^2})\ J$

So, $n_i=2$ and $n_f=\infty$ (As the hydrogen has to ionize)

Thus,

$\Delta E=2.18\times 10^{-18}(\frac{1}{2^2} - \dfrac{1}{{\infty}^2})\ J$

$\Delta E=2.18\times 10^{-18}(\frac{1}{2^2})\ J$

$E_{ionization}=5.45\times 10^{-19}\ J$

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2 years ago

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Explanation:

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3 years ago

प्रश्न 01. बेकिंग सोडा बनाने के लिए आवश्यक सामग्री निर्माण की विधि एंव रासायनिकसमीकरण लिखिए।​

प्रश्न 01. बेकिंग सोडा बनाने के लिए आवश्यक सामग्री निर्माण की विधि एंव रासायनिकसमीकरण लिखिए।