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Anvisha [2.4K]
3 years ago
6

How do properties of waves affect light and sound

Chemistry
1 answer:
Iteru [2.4K]3 years ago
4 0

Answer:

Explanation:

Both light and sound can be described in terms of wave forms with physical characteristics like amplitude, wavelength, and timbre. Wavelength and frequency are inversely related so that longer waves have lower frequencies, and shorter waves have higher frequencies.

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Complete and balance the equation for the reaction of sodium with water.<br> Na+_H2O+ H2
valentina_108 [34]

2Na + 2H2O → 2NaOH + H2

The balanced equation

4 0
2 years ago
Carbon disulfide is produced by the reaction of carbon and sulfur dioxide. What is the percent yield of carbon disulfide if the
Akimi4 [234]

Answer:

The percent yield of carbon disulfide is 78.8%

Explanation:

Percent yield of reaction = (Produced yield / Theoretical yield) . 100

5C + 2SO₂ --> CS₂ + 4CO

In the reaction 5 moles of C, produce 1 mol of CS₂

40 g / 12 g/m = 3.33 moles

Then, this is the rule of three:

5 mol of C produce 1 mol of CS₂

3.33 moles of C, will produce ( 3.33  .1)/5 = 0.666 moles

Mol . molar mass = mass →  0.666 mol . 76.12 g/m =50.7 g (Theoretical yield)

(40 g / 50.7 g) . 100 = 78.8%

7 0
3 years ago
Which of the following is true about chlorofluorocarbons Group of answer choices a. they are now the dominant gas in the stratos
Gnom [1K]

Answer:

Option (D)

Explanation:

Chlorofluorocarbon is referred to as one of the important greenhouse gas, that is responsible for the depletion of the ozone layer. It was earlier extensively used in the refrigerators, but are later observed that as the CFC molecules are disintegrated in the atmosphere, it gives rise to the elimination of chlorine atoms that destroy the ozone layer, allowing the ultraviolet radiations to enter the earth's atmosphere. So, the use of CFCs has been banned globally by international treaties.

This gas is long-lasting, and remains in the atmosphere for about 20 to 100 years, is not that effective to human bodies, and present in the stratosphere in a very small amount.

Thus, the correct answer is option (D).

6 0
3 years ago
True or false?
lara [203]
True because increasing the temperature it gets hotter
5 0
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valkas [14]

Answer:

What effects do wind patterns have on climate?

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7 0
3 years ago
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