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Ahat [919]
3 years ago
10

A solution has a pH of 2.4. What happens to the solution if the hydronium ion concentration is increased?

Chemistry
2 answers:
Kaylis [27]3 years ago
8 0

If the hydronium ion concentration is increased, the pH of the solution decreases.

<span>The </span>concentration<span> of </span>hydrogen ions<span> in a solution expressed usually in moles per liter or in pH units and used as a measure of the acidity of the solution indicator dyes for narrow ranges of </span>hydrogen-<span>ion concentration</span>

Lelu [443]3 years ago
8 0

Answer:

The pH would decrease and the solution would become more acidic

Explanation:

pH of a solution is a measure of its hydronium ion (H3O+) concentration. Mathematically it is given as:

pH = -log[H3O+] -------(1)\\\\i.e. [H3O+] = 10^{-pH} ------(2)\\

It is given that pH of the solution = 2.4

Therefore based on equation (2), the [H3O+] would be:

[H3O+] = 10^{-2.4} = 3.98*10^{-3} M

If the [H3O+] concentration were increased then based on equation (1) the pH of the solution would decrease i.e. it would become more acidic.

For example, lets say that the new [H3O+] = 5.0 * 10⁻³ M, then

pH = -log[5*10^{-3} ] = 2.3

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zheka24 [161]

Answer: 50 degrees Celsius is hotter than 50 degrees F. 50 degrees Celsius is half way between freezing and boiling

4 0
2 years ago
The number of positive changes in the nucleus of an atom is equal to
raketka [301]

Answer:

The number of positive charges in nucleus of an atoms are equal to the atomic number and also positive charges are equal to the negative charges which are electrons in neutral atom.

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

Electron:

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

Symbol= e⁻

Mass= 9.10938356×10⁻³¹ Kg

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

Neutron and proton:

Neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Symbol of proton= P⁺

Symbol of neutron= n⁰

Mass of proton=1.672623×10⁻²⁷ Kg

Mass of neutron=1.674929×10⁻²⁷ Kg

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

For example

The carbon have six protons and six neutrons so its atomic mass is 12 amu and atomic number is six.

8 0
2 years ago
Explain the factors that affect the separation of mixtures in amino acids
Elenna [48]
Consider you have a mixture of amino acids(contains all set of amino acids such as polar, non polar). Other than TLC, how are you supposed to separate a single amino acid from the mixture without loss of amino acid quantitatively.
6 0
2 years ago
Which of the following statements is true?
eduard

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Lines of latitude are used to divide Earth into 24 time zones

Explanation:

5 0
3 years ago
Indicate the direction of polarity of each of the following covalent bonds. Please just write a + or - not the bonds.
Nostrana [21]

Answer:

1. C+ ---- O-

2. O+ ---- Cl-

3. O+ ----- F-

4. C+ ----- N-

5. Cl- ----- C+

6. S- ----- H+

7. S+ ----- Cl -

Explanation:

Electronegativity determines the polarity . There may be two atoms in a bond with high electronegativity, in such cases the positive charge is given to atom with comparatively lower electronegativity. Electronegativity determines the easiness with which an atom attract electrons in a chemical bond. A polar bond is formed when the difference in the electronegativity of two combining atoms is between 0.4 and 1.7. The correct direction is

1. C+ ---- O-

2. O+ ---- Cl-

3. O+ ----- F-

4. C+ ----- N-

5. Cl- ----- C+

6. S- ----- H+

7. S+ ----- Cl -

5 0
3 years ago
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