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3 years ago

Which sequence shows the different types of electromagnetic waves arranged in an increasing order of their frequency?

Chemistry

2 answers:

Lelu [443]3 years ago

8 0

<span>The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths.</span>

Tresset [83]3 years ago

3 0

<h2>Answer:</h2>

The correct answer is the option A which is radio waves, microwaves, visible light, x-rays.

Explanation:

Electromagnetic spectrum is the graph describing the ranges of frequencies of different electromagnetic waves.
As frequency and wavelength are inversely proportional.
The waves with long wavelength have low frequency and waves with short wavelength have high frequency.
Rdiowaves have long wave length and low frequency and microwaves have frequency more than radio waves and visible waves have high but x rays have of frequency of all given in list.
Hence on the bases of frequency:
Radio waves ≤ Micro waves ≤ Visible waves ≤ x-rays
It can be seen in given electromagnetic spectrum.

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In general, which attractions are stronger: intermolecular or intramolecular? Research and explain a quantitative comparison bet

murzikaleks [220]

Answer is: intramolecular attractions are stronger.

Intramolecular attractions are the forces between atoms in molecule.

There are several types of intramolecular forces: covalent bonds, ionic bonds.

Intermolecular forces are the forces between molecules. The stronger are intermolecular forces, the higher is boiling point of compound, because more energy is needed to break interaction between molecules.

There are several types of intermolecular forces: hydrogen bonding, ion-induced dipole forces, ion-dipole forces andvan der Waals forces.

Hydrogen bonds are approximately 5% of the bond strength of covalent C-C or C-H bonds.

Hydrogen bonds strength in water is approximately 20 kJ/mol, strenght of carbon-carbon bond is approximately 350 kJ/mol and strengh of carbon-hydrogen bond is approximately 340 kJ/mol.

20 kJ/350 kJ = 0.057 = 5.7 %.

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3 years ago

What does the most accurate clock tell us

Murrr4er [49]

It tell us the most accurate time u can get out of a clock

6 0

3 years ago

Read 2 more answers

Why do scientists look for patterns in the world?

noname [10]

Answer:

to forcast the future

Explanation:

5 0

4 years ago

Propane can be turned into hydrogen by the two-step reforming process. In the first step, propane and water react to form carbon

Vsevolod [243]

Answer:

The net chemical equation is: 6 H2O(g) + C3H8(g) → 10 H2(g) + 3 CO2(g)

Explanation:

First equation:

The reactants propane and water react to form the products CO and H2

C3H8(g) + 3H2O(g) → 3CO(g) + 7H2(g)

Second equation:

The products CO and H2 will react

CO(g) + H2O(g) → H2(g) + CO2(g)

We should multiply the equation by 3 (to equal the products of the first equation)

3CO(g) + 3H2O(g) → 3H2(g) + 3CO2(g)

Add the second to the first equation:

C3H8(g) + 3 H2O(g) + 3 CO(g) + 3 H2O(g) → 3 H2(g) + 3CO2(g) + 3 CO(g) + 7 H2(g)

The net chemical equation is: 6 H2O(g) + C3H8(g) → 10 H2(g) + 3 CO2(g)

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3 years ago

Pure substances are _______ and _______.

frozen [14]

Answer: Pure substances are substances that are made up of only one kind of particle and have a fixed or constant structure.

Hope this helps! :)

6 0

3 years ago