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V125BC [204]
3 years ago
14

How many neutrons does Mn have?

Chemistry
2 answers:
Tpy6a [65]3 years ago
8 0

Answer:

30

Explanation:

Sonja [21]3 years ago
6 0
Mn has 30 neutrons


Manganese (Mn). Diagram of the nuclear composition and electron configuration of an atom of manganese-55 (atomic number: 25), this element's most common isotope. The nucleus consists of 25 protons (red) and 30 neutrons (blue).
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A chunk of sulfur has a volume of 8.33 cm3. What is the mass of this sulfur? (Density of sulfur = 2.07 g/cm3.)
nata0808 [166]

Explanation:

equations to note:

density= mass/volume

mass= volume *density

volume= mass/density

you have a volume- 8.33cm3

you have a density- 2.07 g/cm3

Answer:

8.33cm3 * 2.07g/cm3=  17.24g

mass= 17.24g

5 0
3 years ago
Please help me with this thank you!
ludmilkaskok [199]

Answer:

1. B

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2 years ago
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Veronika [31]
Idk if i'm too late but the answer should be A.

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3 years ago
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Protein channels in the cell membrane
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What volume would 3.00 moles of neon gas have at 295 K and 645 mmHg?
LUCKY_DIMON [66]

Answer:

V = 85.619 L

Explanation:

To solve, we can use the ideal gas law equation, PV = nRT.

P = pressure (645 mmHg)

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Now we would plug in the appropriate numbers into the equation using the information given and solve for V.

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