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Verdich [7]
3 years ago
13

What is the basic unit of all matter?What is the basic unit of all matter?

Chemistry
2 answers:
Zepler [3.9K]3 years ago
8 0
B.atom is the smallest unit of matter
Lyrx [107]3 years ago
4 0

Answer:

The correct answer is option b, that is, atom.

Explanation:

The basic unit of all matter is an atom. The matter can be an element that possesses a solitary kind of atom within it as golf refers to an element that possesses a single type of atom with similar atomic numbers.  A matter can be a compound that exhibits two or more types of atoms like water. The proton, neutron, and the electron are all considered as the sub-atomic particles. The electrons revolve around a central unit of atom called nucleus. The nucleus possesses both neutrons and protons.

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About 55L of a gas in a flexible container is under a pressure of 3.2 atm and at a temperature of 520K. What is the new volume o
vampirchik [111]

Answer:

30.62 L

Explanation:

From the question given above, the following data were obtained:

Initial volume (V₁) = 55 L

Initial pressure (P₁) = 3.2 atm

Initial temperature (T₁) = 520 K

Final temperature (T₂) = 760 K

Final pressure (P₂) = 8.4 atm

Final volume (V₂) =?

The final volume of the gas can be obtained as follow:

P₁V₁ / T₁ = P₂V₂ / T₂

3.2 × 55 / 520 = 8.4 × V₂ / 760

176 / 520 = 8.4 × V₂ / 760

Cross multiply

520 × 8.4 × V₂ = 176 × 760

4368 × V₂ = 133760

Divide both side by 4368

V₂ = 133760 / 4368

V₂ = 30.62 L

Therefore, the new volume of the gas is 30.62 L

7 0
3 years ago
Why does a mechanical wave require a medium for transmission?
Ganezh [65]
The medium provides an opposing force to slow down the wave.

6 0
3 years ago
Irritable bowel syndrome (IBS) is a disease caused by the body’s inability to digest food properly. This disease may be caused b
liraira [26]

Answer:

Irritable bowel syndrome (IBS) is a common disorder that affects the large intestine. Signs and symptoms include cramping, abdominal pain, bloating, gas, and diarrhea or constipation, or both. IBS is a chronic condition that you'll need to manage long term.

Explanation:

7 0
3 years ago
Read 2 more answers
Water is unusual because it expands as it freezes, Very few substances have this property. The reason liquid water is more dense
Ymorist [56]

Answer:

When liquid water is cooled, it contracts until a temperature of approximately 4 degrees Celsius is reached. After that, it expands slightly until it reaches the freezing point, and then when it freezes it expands by approximately 9%. When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.

4 0
3 years ago
Read 2 more answers
How many atoms are in 755 moles?
artcher [175]

Answer:

The answer to your question is:

Explanation:

        1 mol = 6.022 x 10 ²³ atoms

755 moles =   x

x = 755 x 6.022 x 10 ²³ / 1 = 4.54 x 10 ²⁶ atoms

3 0
3 years ago
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