1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stellarik [79]
3 years ago
10

Hemoglobin is the protein responsible for transporting O2 throughout the body. Each molecule of hemoglobin combines with four mo

lecules of O2. If 1.22 g of hemoglobin combines with 1.53 mL of O2 at 37 °C and 743 torr, what is the molar mass of hemoglobin based on this experiment?
Chemistry
2 answers:
crimeas [40]3 years ago
4 0

Answer:

0.27

Explanation:

Law Incorporation [45]3 years ago
3 0

Answer:

you correct answer is o27°c3

You might be interested in
Write the molecular formula for a compound with the possible elements C, H, N and O that exhibits a molecular ion at M
liberstina [14]

Answer:

= \mathbf{C_3H_6O}

Explanation:

From the given information, since the molecular mass of the ion M+ is not given;

Let's assume M+ = 58.0423

So, by applying the 13th rule;

we will need to divide the mass by 13, after dividing it;

The quotient n = no. of carbon; &

The addition of the quotient (n) with the remainder r =  no. of hydrogen.

So;

\dfrac{58}{13}= 4 \ remainder \ 6

So;

C_nH_{n+r} = C_4H_{4+6}

= C_4H_{10}

From the given information; we have oxygen present, so since the mass of oxygen = 16, we put oxygen in the molecular formula by removing CH_4. Also, since the mass is an even number then Nitrogen is 0.

So, we have:

= \mathbf{C_3H_6O}

6 0
2 years ago
How many elements are in the second group? (column)
zavuch27 [327]
Of the periodic table?
6 0
3 years ago
The alkali earth metal beryllium (Be) engages in a chemical reaction and loses all of its valence electrons.
denpristay [2]

The loss of electron from an results in the formation of cation represented by the positive charge on the element whereas gaining of electron results in the formation of anion represented by the negative charge on the element.

The alkali earth metal beryllium (Be) belongs to the second group of the periodic table. The ground state electronic configuration of Be is:1s^{2}2s^{2}

From the electronic configuration it is clear that it has 2 valence electrons in its valence shell (2s^{2}).

After losing all valence electrons that is 2 electrons from 2s orbital. The electronic configuration will be:

1s^{2}2s^{0}

Since, lose of electron is represented by positive charge on the element symbol. So, the beryllium will have +2 charge on its symbol as Be^{2+}.

Hence, beryllium will have 2+ charge on it after losing all its valence electrons in the chemical reaction.

6 0
3 years ago
Read 2 more answers
In the 4th paragraph, it says disturbances like "accelerated erosion, or change in vegetation cover" tend to persist and grow ov
deff fn [24]

Answer:

Erosion is the washing away of the uppermost part of the earth crust. Once erosion starts it only gets worse because, erosion wash away further soil, causing the eroding channel to futher expand, increasing the erosion.

Lack of vegetative cover allows erosion which washes away soil nutrients, further worsening the soil against soil vegetative cover.

7 0
3 years ago
In a polar covalent bond, the distribution of common electrons are
amid [387]

In a polar covalent bond, the distribution of common electrons are not shared evenly due to a greater positive charge from one atom's nucleus.Oct 30, 2016

3 0
3 years ago
Read 2 more answers
Other questions:
  • How many electrons does an atom of chromium have
    8·2 answers
  • How many oxygen atoms are present in 2.5 mol
    12·1 answer
  • 2. A solution with a pH of 8 is<br> acidic<br> neutral<br> basic
    11·1 answer
  • 1.
    5·2 answers
  • Explain why crude oil is a fossil fuel​
    14·2 answers
  • How does dermal tissue play a key role in transpiration?
    13·1 answer
  • An unknown atom has 5
    9·1 answer
  • What type of energy is a light switch
    12·2 answers
  • Different amounts of ice was added to several samples of water. The results are shown in the table. Which conclusion can be draw
    7·1 answer
  • Which of the following with the kinetic theory address? a
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!