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VashaNatasha [74]
2 years ago
6

97.3 FM radio station broadcasts electromagnetic waves at a frequency of 97.3 megahertz (97.6 x 106 Hz). These radio waves trave

l at a
speed of 3.00 x 108 m/s. What is the wavelength of these radio waves?
*Include your units!
Round your answer to the nearest hundredth (2 decimal places).
Chemistry
1 answer:
Nataly_w [17]2 years ago
6 0

The wavelength of the electromagnetic wave at the given frequency is 3.07 meters.

<u>Given the following data:</u>

  • Frequency =97.6 \times 10^6\; Hz
  • Speed = 3 \times 10^8\;m/s

To determine the wavelength of the electromagnetic wave at the given frequency:

Mathematically, the wavelength of an electromagnetic wave is calculated by using the formula;

Wavelength = \frac{Speed }{frequency}

Substituting the given parameters into the formula, we have;

Wavelength = \frac{3 \times 10^8}{97.6\times 10^{6}}

Wavelength = 3.07 meters.

Read more on wavelength here: brainly.com/question/6352445

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An organic compound has the empirical formula C2H4O. what is the compound?
rosijanka [135]

Answer:

The correct answer is - butanoic acid

Explanation:

An empirical formula is the general formula or base formula that is the simplest positive integer ratio of atoms present in a compound. The empirical formula is specific to specific compounds or types of compounds.

Among the given options, the empirical formula C2H4O is butanoic acid as the molecular formula of butanoic acid is - C4H8O2 which is multiple of C2H4O. Other compounds have different than this empirical formula.

3 0
3 years ago
How many eggs are in 1 mole of eggs?
Pachacha [2.7K]

Answer:

I <em>believe</em> it is Avogadro's number: 6.022 × 10²³

Explanation:

One mole of a substance is equal to 6.022 × 10²³ units of that substance

4 0
2 years ago
. Which of these is an example of a scientific observation? *
Yakvenalex [24]

Answer:

D. The sun's light helps plants grow

Explanation:

This is a scientific observation, because it is describing the structure of a living thing.

7 0
3 years ago
If one mole of a substance has a mass of 56.0 g, what is the mass of 11 nanomoles of the substance? Express your answer in nanog
9966 [12]

Answer:

616,0 ng is the right answer.

Explanation:

You should know that 1 mole = 1 .10^9 nanomoles

Get the rule of three.

1 .10^9 nanomoles ...................... 56.0 gr

11 nanomoles .....................

(11 x 56) / 1 .10^9 nanomoles = 6.16 x 10^-7 gr

Let's convert

6.16 x 10^-7 gr x 1 .10^9 = 616 ngr

8 0
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What is the bond between Ca and Cl
gtnhenbr [62]

ionic bond is formed between ca and cl forming molecule cacl2 ca has 2 velancy and cl has one velancy (ca has 2 electrons in its outer most shell while cl has 1 electron vecancy in its outermost shell). So ca would make bond with 2 cl atoms

4 0
2 years ago
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