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Elenna [48]
3 years ago
12

Which statement is true about the electromagnetic spectrum?

Chemistry
1 answer:
olganol [36]3 years ago
6 0
<span>The statement that tells a fact about the electromagnetic spectrum is the third option. Electromagnetic spectrum contains a spectrum of visible light and a wide array of non-visible forms of radiation. Electromagnetic spectrum is a common term for all frequencies and extended wavelengths of electromagnetic radiation or photons.</span><span />
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Which represents the greatest mass of fluorine?
Shkiper50 [21]

there is no image so there's no way for me to know an answer

4 0
3 years ago
Hurry 50 points<br> What resource is often compromised due to mining?
Anastasy [175]

Answer:

soil, rocks, mountaintop, and streams.

Explanation:

8 0
2 years ago
What is the proper solution to the following equation? Answer with correct significant figures. (23.1 + 5.61 + 1.008) × 7.6134 ×
OleMash [197]

(23.1 + 5.61 + 1.008) × 7.6134 × 8.431  

= 29.718 × 7.6134 × 8.431

=1907.55608

The equation is solved in the manner that the term in the bracket is added first then mutiplication is done as according to Bodmas rule, if an equation contains brackets that need to be solved first then other operation that is  division,multiplication, addition and subtraction are performed from left to right .

5 0
3 years ago
What is the pH of a 0.083 solution of HCI
quester [9]

Answer:

The pH is 1.08,  being an acid pH

Explanation:

pH is a parameter used to measure the degree of acidity or alkalinity of a substance. The pH scale ranges from 0 to 14. Values ​​less than 7 indicate the acidity range and those greater than 7 indicate alkalinity or basicity. Value 7 is considered neutral. Mathematically, pH is the negative logarithm of the molar concentration of hydrogen or proton ions (H⁺) or hydronium ions (H₃O⁺).

pH= - log [H⁺]= - log [H₃O⁺]

A strong acid is an acid that completely dissociates into hydrogen ions and anions in solution. This implies that the initial concentration of acid is equal to the final concentration of H₃O⁺. This occurs with acid HCl.

So,  pH is calculated as:

pH= - log (0.083)

pH= 1.08

<u><em>The pH is 1.08,  being an acid pH</em></u>

8 0
4 years ago
Which of the following is the correct structure of 2-methyl-3-heptene
astraxan [27]

Answer:

answer d

Explanation:

methy group is in the second position while the double bond is in the third position

8 0
3 years ago
Read 2 more answers
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