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elena-s [515]
2 years ago
11

Hemoglobin is 6.0% heme (C₃₄H₃₂FeN₄O₄)

Chemistry
1 answer:
andrew-mc [135]2 years ago
8 0

[6.3×10^{-5 mol of heme]

<h3>What is heme?</h3>

The protein haemoglobin, which is required to bind oxygen in the bloodstream, is a precursor to heme. Both the liver and bone marrow can biosynthesize heme.

Heme is a coordination complex that "consists of an iron ion coupled to porphyrin serving as a tetradentate ligand, and to one or two axial ligands," according to biological terminology. The term is ill-defined, and many illustrations leave out the axial ligands.

Heme is one of the most often utilised metalloporphyrins employed by metalloproteins as prosthetic groups, and it defines the family of proteins known as hemoproteins.

The biologically significant hemoproteins heme peroxidase, myoglobin, cytochromes, catalases, and endothelial nitric oxide synthase all contain heme, which is most generally known as a component of haemoglobin, the red colour in blood.

Learn more about heme

brainly.com/question/10509986

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B I think is the answer
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4 years ago
A sample of nitrogen gas had a volume of 500. mL, a pressure in its closed container of 740 torr, and a temperature of 25 °C. Wh
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Answer:

527.68 mL

Explanation:

We will assume that nitrogen is behaving as ideal gas here.

For ideal gas the gas law is:

\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{2}}{T_{2}}

Where

P1= initial pressure = 740 torr

V1= initial volume = 500mL

T1= initial temperature = 25⁰C = 298 K

P2= final pressure = 760 torr

V2= final volume = ?

T2= final temperature = 50⁰C = 323 K

Putting values in the gas law

Final volume = \frac{740X500X323}{298X760}= 527.68 mL

5 0
3 years ago
Which of the following quantum number combinations is not allowed in a ground-state atom?
ollegr [7]
The third option. The angular quantum number (l) can be any integer between 0 and n-1. Therefore, for the third option, l can be 0, 1, 2, 3, or 4—but not 5.
7 0
3 years ago
Ocean tides on earth MOST influenced by gravity from the __
Ivahew [28]

Answer:

moon

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8 0
3 years ago
What is the theoretical yield of SO3 produced by 8.96 g of S?
Virty [35]

Answer: Theoretical yield of SO_3 produced by 8.96 g of S is 33.6 g

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}

\text{Moles of} S=\frac{8.96g}{32g/mol}=0.28moles

The balanced chemical equation is:  

2S+3O_2\rightarrow 2SO_3  

According to stoichiometry :

2 moles of S produce =  3 moles of SO_3

Thus 0.28 moles of S will produce=\frac{3}{2}\times 0.28=0.42moles  of SO_3  

Mass of SO_3=moles\times {\text {Molar mass}}=0.42moles\times 80g/mol=33.6g

Thus theoretical yield of SO_3 produced by 8.96 g of S is 33.6 g

7 0
3 years ago
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