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Shtirlitz [24]
4 years ago
8

For which of the following molecules does shape have an effect on its ability to carry oxygen?

Chemistry
2 answers:
vova2212 [387]4 years ago
5 0
D. Hemoglobin carries oxygen (it is the only one in this list that does.)
dusya [7]4 years ago
5 0

Correct answer: D. Hemoglobin

The protein hemoglobin has four polypeptide chains, each one bound to a heme group. Each hemoglobin molecule can carry four oxygen molecules because of the presence of four heme groups. The binding of the first oxygen molecule modifies the shape of hemoglobin molecule slightly, this helps in increasing the oxygen binding capacity of the hemoglobin molecule. So, this alteration in shape increases the oxygen carrying capacity of the hemoglobin molecule.

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Which has higher percentage of oxygen: (Fe = 56, O = 16, C = 12) a) FeO b) FeCO3 c) Fe2O3 d) Fe3O4
allochka39001 [22]

B)

FeO = 56, 16, 0

FeCO3 = 56, 48, 12

Fe2O3 = 112, 48, 0

Fe3O4 = 168, 64, 0

3 0
3 years ago
Which statement best represents a hypothesis?
mr_godi [17]

Answer:

B

Explanation: B

4 0
3 years ago
How is heavy water different from natural water
Sergeu [11.5K]

Answer:

Instead of normal protium atoms, heavy water consists of two deuterium atoms. Like normal water, heavy water is an odorless liquid at room temperature. Moreover, deuterium, tantamount to protium, is also a stable isotope. This ensures that heavy water is not radioactive

5 0
3 years ago
Read 2 more answers
Colligative properties depend most on which of the following?
erma4kov [3.2K]

Answer: -

Thus Colligative properties depend most on concentration of solute particles.

Explanation: -

Colligative properties are the properties of a solution that depends only on the number of particles of the solute present in the solution and not on the identity of the solute.

The number of solute particles present per unit volume in a solution is referred to as the concentration of solute particles.

Thus Colligative properties depend most on concentration of solute particles.

5 0
4 years ago
You need a 20% alcohol solution. on hand, you have a 240 ml of a 15% alcohol mixture. you also have 40% alcohol mixture. how muc
juin [17]
0.15*240=36 ml of alcohol in <span>240 ml of a 15% alcohol mixture
0.4x = </span>ml of alcohol in x ml of a 40% alcohol mixture
0.2(x+240)= ml of alcohol in (x+240) ml of a 20% alcohol mixture

0.15*240 + 0.4x = 0.2(x+240)
36+0.4x=0.2x+48
0.2x = 12
x=12/0.2=120/6=20 ml  of a 40% alcohol mixture
4 0
3 years ago
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