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VLD [36.1K]
3 years ago
12

Which two reactions are opposites of each other?

Chemistry
2 answers:
zimovet [89]3 years ago
8 0

Answer:

Oxidation and reduction reaction

Explanation:

Oxidation involves electron loss and reduction involves electron gain

Alex17521 [72]3 years ago
6 0
Can you provide a picture
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A common radio wavelength observed coming from astronomical objects is 21 cm. What temperature is associated with this radiation
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The temperature associated with this radiation is 0.014K.

Explanation:

If we assume that the astronomical object behaves as a black body, the relation between its <em>wavelength</em> and <em>temperature</em> is given by Wien's displacement law.

\lambda_{max}=\frac{b}{T}

where,

λmax is the wavelength at the peak of emission

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For a wavelength of 21 cm,

T=\frac{b}{\lambda _{max} } = \frac{2.89 \times 10^{-3} m.K  }{0.21m} =0.014K

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Explanation: Hope it helps you :)))

Have a good day

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