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Leviafan [203]
3 years ago
11

7 Which physical characteristic of a solution may

Chemistry
1 answer:
Nuetrik [128]3 years ago
5 0

Answer:

2= its color

Explanation:

Transition elements are present in the middle of periodic table. These are d-block elements.

These are 38 elements.

All transition elements have partially filled d orbitals.

They showed color in compound because of d-d transition.

During the d-d transition electron absorbed the energy and emit the reminder energy. The emission is usually in the form of color light.

The color of ion is complementary to the absorbed color.

The transition elements are used as a catalyst in industries such as polymer, petroleum industries.

They are ductile, conduct heat and electricity.

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Which of these statements is correct? a. Particles in a suspension will settle out if left undisturbed. b. A solution is heterog
tatuchka [14]

Blood. It is discrete cells in saline solutuion. The cells are free to move thru the plasma, or you wouldn't have blood flow, or oxygenation, and you would die. Blood is defined as liquid, not jello.


The other three are things not normally associated--water will fall from the sky as rain, for example, but is held in suspension in fog. Same with the salad oil in mayo. O.J. can be a suspension; easily separated by a filter, Or a colloid--depends if the pulp, if Any, is held in suspension or not. Usually, pulp will settle to the bottom, making that sample of Orange juice a suspension. At different temperatures, it acts differently. But, so does Fog. A colloid is something that normally shouldn't be as some of its molecules are too dense to normally "float" in suspension. Colloid means "glue".



4 0
3 years ago
What types of intermolecular forces are collectively named van der waals forces after johannes van der waals, who developed the
gladu [14]
Dispersion forces or London dispersion forces are collectively referred to as Van der Waals forces. These forces are temporary and arise from the relative position of electrons in one atom to another. If the electrons become distributed in an asymmetrical manner, the negative charge is concentrated at one end of the particle and a positive charge is concentrated at the other. These forces are also called induced dipole-induced dipole attraction.
6 0
3 years ago
Avogadro's number is equal to​?
Lerok [7]

Answer:

6.273×10²³

Explanation:

hope this is useful friend

4 0
3 years ago
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How many drops in a milliliter
bixtya [17]
20 drops in a milliliter :)
4 0
3 years ago
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A reaction between which two reactants will consistently yield a salt that forms an acidic solution?
lesya [120]

Answer:

A reaction between a strong acid and a weak base.

Explanation:

The conjugate acid of a weak base is a strong acid.

\underbrace{\hbox{H}_{3}\text{O}^{+}}_{\hbox{acid}} + \underbrace{\hbox{B}}_{\hbox{base}} =\underbrace{\hbox{BH}^{+}}_{\hbox{acid}} + \underbrace{\hbox{H}_{2}\text{O}}_{\hbox{acid}}

The reaction above is reversible, so we can write

\underbrace{\hbox{BH}^{+}}_{\hbox{acid}} + \underbrace{\hbox{H}_{2}\text{O}}_{\hbox{base}}\rightleftharpoons \underbrace{\hbox{H}_{3}\text{O}^{+}}_{\hbox{acid}} + \underbrace{\hbox{B}}_{\hbox{base}}

Thus, the solution of the salt will be acidic, because it produces hydronium ions.

Example;

Ammonium chloride is the salt of a strong acid (HCl) and a weak base (NH₃).

Solutions of NH₄Cl are acidic.



6 0
3 years ago
Read 2 more answers
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