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NARA [144]
3 years ago
15

Which determines the frequency of a sound wave? A the intensity of the sound waves B the rate at which the sound source is vibra

ting C the pitch of the sound waves D the wavelength of the sound waves
Chemistry
2 answers:
Alex73 [517]3 years ago
8 0

Answer:

it is B

Explanation:

andreyandreev [35.5K]3 years ago
7 0

Answer:

b

Explanation:

The number of vibrations per second is known as the frequency

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The best reading for the volume of the gas in the syringe in the picture shown right is
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48.5 mL , just did it on edge

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What is a variable and what do it do
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Varuable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation :)
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Read 2 more answers
State what would be observed when the following pairs of reagents are mixed in a test tube.
Mandarinka [93]

Answer:

(i). C6H2COOH and Na2CO3(aq)

observation: <u>Bubbles</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>colourless</u><u> </u><u>gas</u><u> </u><u>(</u><u>carbon</u><u> </u><u>dioxide</u><u> </u><u>gas</u><u>)</u>

(ii) CH3CH2CH2OH and KMnO4 /H

observation: <u>The</u><u> </u><u>orange</u><u> </u><u>solution</u><u> </u><u>turns</u><u> </u><u>green</u><u>.</u>

[<em>This</em><em> </em><em>is</em><em> </em><em>because</em><em> </em><em>oxidation</em><em> </em><em>of</em><em> </em><em>propanol</em><em> </em><em>to</em><em> </em><em>propanoic</em><em> </em><em>acid</em><em> </em><em>occurs</em>]

(iii) CH3CH2OH and CH3COOH + conc. H2SO4

observation: <u>A</u><u> </u><u>sweet</u><u> </u><u>fruity</u><u> </u><u>smell</u><u> </u><u>is</u><u> </u><u>formed</u><u>.</u>

[<em>This</em><em> </em><em>is</em><em> </em><em>because</em><em> </em><em>an</em><em> </em><em>ester</em><em>,</em><em> </em><em>diethylether</em><em> </em><em>is</em><em> </em><em>formed</em><em>]</em>

(iv) CH3CH = CHCH3 and Br2 /H2O

observation: <u>a</u><u> </u><u>brown</u><u> </u><u>solution</u><u> </u><u>is</u><u> </u><u>formed</u><u>.</u>

4 0
3 years ago
How many moles are in 117.30 grams of KCLO3?
eduard

0.0081599680129254

Hope this helps?

5 0
2 years ago
What is amount of energy released by the reaction?
Anettt [7]

Answer:

your answer would be 45 because you go up

5 0
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