Which sequence shows the different types of electromagnetic waves arranged in an increasing order of their frequency?
2 answers:
<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>
<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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First we must write a balanced chemical equation for this reaction
The mole ratio for the reaction between and
is 1:2. This means 1 moles of
will neutralize 2 moles
. Now we find the moles of each reactant based on the mass and molar mass.
The was enough to neutralize the acid because 18.87:39.67 is the same as 1:2 mol ratio.
<u>Answer:</u> The molarity of anions in the solution is 0.0316 M
<u>Explanation:</u>
To calculate the molarity of solution, we use the equation:
We are given:
Given mass of iron (II) chloride = 0.10 g
Molar mass of iron (II) chloride = 126.75 g/mol
Volume of solution = 50 mL
Putting values in above equation, we get:
1 mole of iron (II) chloride produces 1 mole of ions and 2 moles of
ions
So, concentration of chloride ions (anions) in the solution =
Hence, the molarity of anions in the solution is 0.0316 M