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Yuliya22 [10]
2 years ago
5

Explain what the police siren sounds like to Jane. Explain what the police siren sounds like to John. Explain why the police sir

en sounds different between Jane and John.
Chemistry
2 answers:
Anon25 [30]2 years ago
7 0
Its moving toward jane and away from john. it sounds different because of the wave sound

Ne4ueva [31]2 years ago
5 0
Like siren They all sound the same
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If 200 g of water is heated from 20 C to 40 C, then what is the heat added in kilocalories (same as food calories)?
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Answer: 4Kcal

Explanation:

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M=200g

C= 1 cal/g/°c

Ø= 40-20=20°c

H= 200*1*20= 4000calories= 4Kcal

8 0
2 years ago
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sergij07 [2.7K]

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3 years ago
Heat energy is _____ when it moves from one room to another.
MArishka [77]
Hello,

Thanks for posting your question here on brainly.

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6 0
3 years ago
What is the pH of a solution with hydrogen ion concentration of 1 x 10^–6 M?
kakasveta [241]

Answer:

The pH of the solution is 6,00.

Explanation:

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pH= -log (1x10^-6)

<em>pH= 6, 00</em>

7 0
2 years ago
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