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REY [17]
2 years ago
6

What is sound energy?

Chemistry
2 answers:
NikAS [45]2 years ago
7 0

Answer:

A

Explanation:

Because of the vibration

Natali5045456 [20]2 years ago
5 0

Answer:

A

Explanation:

Because of the vibration

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What molecules can cells break down for energy?
Orlov [11]

Answer: I think the answer is C)

Explanation:

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3 years ago
An atom of calcium contains 20 protons how many electrons does it have
harina [27]
20.

Atomic number is equivalent to its protons and electrons. :)
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3 years ago
What are the similarities between DIFFUSION, FACILITATED DIFFUSION and OSMOSIS?
nalin [4]
Osmosis and diffusion are related processes that display similarities. Both osmosis and diffusion equalize the concentration of two solutions. Both diffusion and osmosis are passive transport processes, which means they do not require any input of extra energy to occur. In both diffusion and osmosis, particles move from an area of higher concentration to one of lower concentration. Osmosis and facilitated diffusion both account for movement of molecules from a region of high concentration to a region of low concentration.
6 0
3 years ago
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Assuming 100% dissociation, calculate the freezing point and boiling point (in °C) of a solution with 83.6 g of AgNO 3 in 1.00 k
Thepotemich [5.8K]

Answer:

  • <u>Freezing point: - 1.83ºC</u>
  • <u>Boiling point: 100.50ºC</u>

Explanation:

The <em>freezing point</em> and<em> boiling point</em> of solvents, when a solute is added, will change accordingly to the concentration of the solute particles.

The freezing point will decrease and the boiling point will increase. These are two colligative properties.

<u></u>

<u>Find attached the file with the whole answer, as the site is not uploading the answer in here.</u>

Download pdf
3 0
3 years ago
Boron is to the immediate left of carbon in the same row in the periodic table. Which of the following statements compares the r
natita [175]

Answer:

Boron has a larger radius and the protons in carbon exert more pull.

Explanation:

Remember than elements have greater radius as they are closer to the bottom left corner, so boron would have the larger radius here. Carbon has a smaller radius, which makes it easier for the protons in carbon to exert more pull.

7 0
3 years ago
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