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gladu [14]
2 years ago
5

Help please

Chemistry
1 answer:
Lady_Fox [76]2 years ago
8 0

Answer:

It is this below

Explanation:

P = m/v

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3 years ago
What is the wavelength of an X-ray that has a frequency of 7.8 x 1017 Hz
SVEN [57.7K]

Answer:

λ = 0.38 ×10⁻⁹ m

Explanation:

Given data:

Wavelength of xray = ?

Frequency of xray = 7.8 ×10¹⁷ Hz

Solution:

Formula:

Speed of light = wavelength × frequency

speed of light = 3×10⁸ m/s

Now we will put the values in formula.

3×10⁸ m/s = λ × 7.8 ×10¹⁷ Hz

λ = 3×10⁸ m/s / 7.8 ×10¹⁷ Hz

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λ = 3×10⁸ m/s / 7.8 ×10¹⁷s⁻¹

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3 0
2 years ago
can someone answer! please don't answer for points or if you don't know it and don't answer if you are guessing make sure you un
inessss [21]

Answer:

B

Explanation:

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8 0
3 years ago
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What is the difference between boiling point and normal boiling point?​
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Answer:

The boiling point is the temperature at which the vapor pressure equals the pressure of gas.

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Explanation:

5 0
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