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Novay_Z [31]
3 years ago
7

Match each statements with the state of matter it describes?

Chemistry
1 answer:
Len [333]3 years ago
5 0

Answer:

Solid  liquids , plasma gas

Explanation:

It retains its shape regardless of the shape of the container

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What is the energy of a photon that emits a light of frequency 6.42 x 1014 Hz?<br><br>​
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Answer:

Option B. 4.25×10¯¹⁹ J

Explanation:

From the question given above, the following data were obtained:

Frequency (f) = 6.42×10¹⁴ Hz

Energy (E) =?

Energy and frequency are related by the following equation:

Energy (E) = Planck's constant (h) × frequency (f)

E = hf

With the above formula, we can obtain the energy of the photon as follow:

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E = hf

E = 6.63×10¯³⁴ × 6.42×10¹⁴

E = 4.25×10¯¹⁹ J

Thus, the energy of the photon is 4.25×10¯¹⁹ J

3 0
3 years ago
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