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pantera1 [17]
2 years ago
11

What is the wavelength of an electromagnetic wave that has a frequency of

Chemistry
1 answer:
Alik [6]2 years ago
3 0

Answer:

B

Explanation:

To calculate questions like this, you need to make use of the equation below:

ν = c / λ

ν is the frequency, c is the speed of light, and λ is the wavelength

ν = c / λ

2.45 • 10^9 Hz = (3•10^8 m/s)/(λ)

λ = 0.122 m = B

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Compare the potential energy of two atoms chemically bonded to their potential energy when separated.
ikadub [295]

Answer:

See explanation

Explanation:

The essence of chemical bonding is in order to attain minimum energy. The minimum energy state is the most stable state of a chemical system.

As the distance of separation between atoms decreases, the potential energy of the system decreases accordingly.

An optimum distance is reached when the two atoms attain the lowest potential energy. This is designated as the bond distance of the two atoms.

Hence two atoms have lower potential energy when bonded than when separated at large distance.

6 0
3 years ago
Explain how index minerals allow a scientist to understand the history of a metamorphic rock?
Masteriza [31]
It allows a scientist to understand the history of metamorphic rock by estimating the temperature, depth, and pressure at which a rock undergoes metamorphism. Hope that helped!
5 0
3 years ago
Read 2 more answers
What is 20 times 200000000
iren [92.7K]

Answer: 4000000000

because 20X200000000=4000000000

4 0
3 years ago
The mass of a silver bracelet is 2.5 gram, it occupies a volume of 48cm3, what is its density?​
NNADVOKAT [17]

Answer:

The answer is

<h2>0.052 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 2.5 g

volume = 48 cm³

The density is

density =  \frac{2.5}{48}   \\  = 0.052083333...

We have the final answer as

<h3>0.052 g/cm³</h3>

Hope this helps you

3 0
3 years ago
Which element has the smallest atomic radius? Fluorine, Iron, Phosphorous, Potassium
Ivahew [28]

Answer:

actually answer should be helium

7 0
3 years ago
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