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KiRa [710]
2 years ago
7

Which statement best describes organs in an organ system? A. Each organ does part of a larger job. B. Each organ can perform onl

y one function. C. Each organ is made up of only one kind of cell. D. Each organ is capable of doing every part of a larger job.​
Chemistry
1 answer:
nikklg [1K]2 years ago
5 0

Answer:

The correct answer is -  A. Each organ does part of a larger job.

Explanation:

An organ in an organ system of an individual organism is the group of similar tissues that collectively perform a common function in the organ system and play their part in a larger job.

A group of organs makes an organ system to perform a particular but large function in the organism for its survival. An example of the organ in an organ system is the heart in the cardiovascular system. The heart is an organ that pumps the blood out of the heart to the various part of the cardiovascular system such as lungs, arteries, and veins so it can take nutrients and oxygen to various parts carried by the blood.

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Answer:

The molar mass is 180.2 g/mol

Explanation:

<u>Step 1:</u> Data given

% of F = 70.4 %

Density = 4.5 g/L

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<u>Step 2:</u> Calculate the number of moles

PV = nRT

 ⇒ with P = the pressure = 1.00 atm

⇒ with V = the volume = Assume this is 1L

⇒ with n = the number of moles = TO BE DETERMINED

⇒ R = the gas constant = 0.08206 L*atm/K*mol

⇒ T = the temperature : 20°C = 293 Kelvin

1 atm*1L= n(0.08206 L-atm/mol-K)*(293 K)

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<u>Step 3</u>: Calculate molar mass

Molar mass = Mass / moles

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<u>Step 4:</u> Calculate moles of F

Moles = Mass / molar mass

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Moles F =  3.70 moles

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The empirical formula is SF4

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The molar mass is 180.2 g/mol

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