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Veseljchak [2.6K]
3 years ago
12

What are the subatomic particles by which atom made of?​

Chemistry
2 answers:
Andre45 [30]3 years ago
6 0

Answer:

The three main subatomic particles that form an atom are protons, neutrons, and electrons.

Explanation:

svp [43]3 years ago
3 0

Answer:

The three main subatomic particles that form an atom are protons, neutrons, and electron

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Which of the following happens when a reaction reaches dynamic equilibrium in a closed system?
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Answer: B

Explanation:

At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction, and thus the concentrations of the reactants and products must be constant.

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3 years ago
Which gas dissolves more easily in water? Oxygen or carbon dioxide?
Alborosie
Carbon dioxide dissolves faster 
6 0
4 years ago
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Describe the number and type of each component of the molecule methane
Tasya [4]

Answer:

Methane is a chemical compound with the molecular formula CH4. It is the main component in natural gas. Methane is considered the simplest of alkanes, compounds that consist only of hydrogen (H) and carbon (C) elements. Methane is an odorless, colorless, tasteless gas that is lighter than air.

Explanation:

4 0
4 years ago
In a certain industrial process involving a heterogeneous catalyst, the volume of the catalyst (in the shape of a sphere) is 10.
olga nikolaevna [1]

Answer:

a. The second run will be faster.

d. The second run has twice the surface area.

Explanation:

The rate of a reaction is proportional to the surface area of a catalyst. Given the volume (V) of a sphere, we can find its surface area (A) using the following expression.

A=\pi ^{1/3} (6V)^{2/3}

The area of the 10.0 cm³-sphere is:

A=\pi ^{1/3} (6.10.0)^{2/3}=22.4cm^{2}

The area of each 1.25 cm³-sphere is:

A=\pi ^{1/3} (6. 1.25)^{2/3}=5.61cm^{2}

The total area of the 8 1.25cm³-spheres is 8 × 5.61 cm² = 44.9 cm²

The ratio of  8 1.25cm³-sphere to 10.0 cm³-sphere is 44.9 cm²/22.4 cm² = 2.00

Since the surface area is doubled, the second run will be faster.

6 0
3 years ago
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