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klio [65]
3 years ago
12

How would you know if this combination is likely to be found in dirt? Please explain!

Chemistry
2 answers:
Natasha2012 [34]3 years ago
5 0
No at least I don’t think there would be
Elan Coil [88]3 years ago
4 0
No it is not likely. That is a ratio of 10:4 N^14 and N^15 which doesn’t work. It needs a higher amount
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Green light has a wavelength of 550nm. What is the frequency of a photon of green light?
Vikki [24]

Answer:- Frequency is 5.4*10^1^4Hz .

Solution:- frequency and wavelength are inversely proportional to each other and the equation used is:

\nu =\frac{c}{\lambda }

where, \nu is frequency, c is speed of light and \lambda is the wavelength.

Speed of light is 3.0*10^8m/s .

We need to convert the wavelength from nm to m.

( 1nm=10^-^9m )

550nm(\frac{10^-^9m}{1nm})

= 5.5*10^-^7m

Now, let's plug in the values in the equation to calculate the frequency:

\nu =\frac{3.0*10^8m.s^-^1}{5.5*10^-^7m}

= 5.4*10^1^4s^-^1 or 5.4*10^1^4Hz

since, 1s^-^1=1Hz

So, the frequency of the green light photon is 5.4*10^1^4Hz .

4 0
3 years ago
The atom cobalt has 27 electrons. how many energy levels will its electrons use?
Natasha2012 [34]
It uses 4 energy levels
5 0
3 years ago
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I am Lyosha [343]

Answer:

b- swap the uses for iron oxide and calcium carbonate.

Explanation:

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3 0
3 years ago
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7. How many moles are in 5 x 10 2 atoms of gold?
goblinko [34]

Answer:

8.3028894e-22

Explanation:

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Tuning a musical instrument like a guitar change the what?
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When you are tuning an instrument it changes the sound of the instrument
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