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Kamila
2 months ago
5

The atomic mass of 13C is 13.003355. Multiply the atomic mass of 13C by its abundance. Report the number to 8 significant digits

.
Chemistry
1 answer:
castortr0y [3K]2 months ago
4 0

The result is 0.14303691.

Carbon-13 (¹³C) is a stable isotope of carbon with a mass number of 13, composed of six protons and seven neutrons.

Isotopes are elements that share the same atomic number but have different mass numbers, meaning they have a varying number of neutrons.

ω(¹³C) = 1.10% ÷ 100%.

ω(¹³C) = 0.0110; this indicates the natural abundance of carbon-13.

m(¹³C) = 13.003355; the atomic mass assigned to carbon-13.

ω(¹³C) · m(¹³C) = 0.0110 · 13.003355.

ω(¹³C) · m(¹³C) = 0.14303691.

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The volume of a gas at 6.0 atm is 2.5 L. What is the volume of the gas at 7.5 atm at the same temperature?
castortr0y [3046]

Greetings!

The result is:

The new volume is: 2L

Rationale:

Because the temperature remains constant, we can apply Boyle's Law to solve this issue.

Boyle's Law stipulates that:

P_{1}V_{1}=P_{2}V_{2}

Where,

P is the gas's pressure.

V is the gas's volume.

According to the information provided:

V_{1}=2.5L\\P_{1}=6.0atm\\P_{2}=7.5atm

Let's put the values into the equation:

2.5L*6.0atm=7.5atm*V_{2}

2.5L*6.0atm=7.5atm*V_{2}\\\\V_{2}=\frac{2.5L*6.0atm}{7.5atm}=\frac{15L.atm}{7.5atm}=2L

Consequently, the new volume is: 2L

Wishing you a lovely day!

7 0
3 months ago
According to the storage ladder protocol, raw meat should be stored on shelves based on its? A.Minimum internal cooking temperat
Anarel [2989]

Response:

D. Maximum internal cooking temperature

Clarification:

Per the Storage Ladder Protocol, proper rules must be followed when storing food in the refrigerator. Prepared dishes belong on the highest shelf; fruits and vegetables are positioned on the next; fish and seafood go on the third; beef and pork are kept on the fourth; ground meat is stored on the fifth; and poultry items sit on the bottom shelf. This illustrates that ground beef should be placed above chicken. A diagram is included below for optimal storage order explanation.

7 0
3 months ago
Read 2 more answers
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