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Sedaia [141]
3 years ago
7

Which one of the following would be most affected by a decrease in the affinity of hemoglobin for oxygen?

Chemistry
1 answer:
12345 [234]3 years ago
8 0

Answer:

C. percent saturation of hemoglobin with O2 in systemic arterial blood

Explanation:

Hemoglobin is a protein  that contains 4 heme groups that have iron (Fe) as its central atom, which is the binding site for the oxygen molecule (the oxygen binds with the iron atom), so each hemoglobin molecule can bind up to 4 oxygen molecules. This oxygenated blood is the arterial blood, which becomes bright red because of this binding, and is the blood that carries that oxygen to all the tissues.

Sometimes, conditions like temperature, pH, or CO2 concentration can affect the structure of the hemoglobin, and that can make it more difficult for oxygen to bind to heme group, so in those cases that would have a direct effect on the percentage of saturated hemoglobin (hemoglobin binded with oxygen).

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1220 pounds / 1.45 inches =?<br> What do you get when you quadruple 22.34 cm?
Brilliant_brown [7]

(a) 841 lb/in; (b) 89.36 cm


(a) 1220 lb/1.45 in = 841 lb/in

(b) To quadruple a measurement is to <em>multiply it by 4</em>.

     ∴ 4 × 22.34 cm = 89.36 cm

8 0
4 years ago
Xavier would like to see an atom. In order to see an atom, Xavier would be best helped by a device that is capable of which of t
valentina_108 [34]

Answer:

The answer is C

Explanation:

An atom is extremely small, but a device to make them look bigger, like a microscope, will help Xavier see it

6 0
3 years ago
What is kinetic theory
Eddi Din [679]

The kinetic theory of gases describes a gas as a large number of submicroscopic particles, all of which are in constant, rapid, random motion. The randomness arises from the particles' many collisions with each other and with the walls of the container.

6 0
4 years ago
water is 2 parts of hydrogen and 1 part oxygen. for one molecule of water each atom has the atomic mass unit, u,shown. what perc
fomenos

Answer:

11.19 %

Explanation:

1 molecule water = 2 H + 1 O

If H = 1.008 u and O = 16.00 u, then

Water = 2H + 1 O = (2 × 1.008 u) + (1 × 16.00 u) = 2.016 u + 16.00 u = 18.02 u

The formula for mass percent is

\% \text{ by mass} = \frac{\text{Mass of H}}{\text{Total mass}} \times 100 \%

So,

\%\text{ H} = \frac{\text{2.016 u}}{\text{18.02 u}} \times 100 \% = 11.19 \%

5 0
3 years ago
Read 2 more answers
The number of π molecular orbitals in a molecule is always equal to the number of ________. a. p orbitals used to construct the
Dmitrij [34]

The number of π molecular orbitals in a molecule is always equal to the number of p orbitals used to construct the π bonds.

An electron's position and wave-like behavior within a molecule are described by a mathematical function called a molecular orbital. Chemical, as well as physical properties like the probability of locating an electron in a particular area, can be determined using this function.

A molecular orbital would be created when two atomic orbitals cross one other along the internuclear axis. A molecular orbital is created when two atomic orbitals cross each other sideways.

Therefore, the number of π molecular orbitals in a molecule is always equal to the number of p orbitals used to construct the π bonds.

Hence, the correct answer will be option (a).

To know more about molecular orbitals

brainly.com/question/13265432

#SPJ4

6 0
2 years ago
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