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Arte-miy333 [17]
2 years ago
5

If a sound wave speeds up and its frequency does not change, what happens to the wavelength?

Chemistry
1 answer:
yan [13]2 years ago
5 0

Answer: No, the speed of propagation is constant in a given medium; only the wavelength changes as the frequency changes.

Explanation:

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What holds the two strands of a DNA molecule together?A. Ionic bonds between negatively and positively charged ionsB. Covalent b
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Answer:

D. Hydrogen bonds between complementary base pairs89

Explanation:

A DNA molecule is composed of two long polynucleotide chains made of four types of nucleotide subunits, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). These nucleotides are joined by covalent bonds forming a phosphate-sugar backbone. <em>These strands are held to one another with hydrogen bonds between the base portions of complementary nucleotides.</em>

I hope you find this information useful and interesting! Good luck!

8 0
3 years ago
What are the factors that affect the rate of dissolution? color, temperature, stirring texture, surface area, stirring temperatu
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Color, temperature, stirring
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3 years ago
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If the half-life of a radioactive substances is 590 million years and you have 40 atoms of it, how many half-lives will have pas
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3

Explanation:

Applying,

2^{n'} = R/R'............... Equation 1

Where n' = number of halflives that have passed, R = Original atom of the substance, R' = atom of the substance left after decay.

From the question,

Given: R = 40 atoms, R' = 5 atoms

Substitute these values into equation 1

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2^{n'} = 8

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3 0
3 years ago
Equilibrium is reached in chemical reactions when: A) The rates of the forward and reverse reactions become equal. B) The concen
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Answer:

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