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Ipatiy [6.2K]
2 years ago
9

Soluble ionic compounds that dissociate naerly completely when dissolved are classified as _______.

Chemistry
1 answer:
Anettt [7]2 years ago
6 0

The answer is D. Strong electrolytes

Strong electrolyte is a solute or solution that completely or almost  completely dissociates when in solution. These are good conductors of electricity only  when in molten/aqueous solution.

Strong electrolyte(aq) → Cation+(aq) + Anion−(aq)


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When the highest occupied energy level of an atom is completely full of electrons, the atom is _____________________________?
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The answer is a valence electron
4 0
3 years ago
How many molecules of CBr4 are in 250 grams of CBr4
Kazeer [188]

Answer:- 4.54*10^2^3 molecules.

Solution:- The grams of tetrabromomethane are given and it asks to calculate the number of molecules.

It is a two step unit conversion problem. In the first step, grams are converted to moles on dividing the grams by molar mass.

In second step, the moles are converted to molecules on multiplying by Avogadro number.

Molar mass of CBr_4  = 12+4(79.9)  = 331.6 g per mol

let's make the set up using dimensional analysis:

250g(\frac{1mol}{331.6g})(\frac{6.022*10^2^3molecules}{1mol})

= 4.54*10^2^3 molecules

So, there will be 4.54*10^2^3 molecules in 250 grams of CBr_4 .


8 0
3 years ago
In terms of electrons, what happens when Cations bond with anions?
Black_prince [1.1K]

Answer:

when an atom, typically a metal, loses an electron or electrons, and becomes a positive ion, or cation. Another atom, typically a non-metal, is able to acquire the electron(s) to become a negative ion, or anion.

Explanation:

4 0
2 years ago
Mrs. Johnson's science class perform an experiment. They combine two substances that react with lots of fizzing and bubbling. Th
s2008m [1.1K]

Chris is correct because the reactants and products do not have to have the same mass, but they do have to weigh the same.  Is the correct answer:) Hannah is right because the mass of the reactants was different than the mass of the products. is incorrect

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3 years ago
Read 2 more answers
What is the difference between physical and chemical properties? Give 3 examples of each.
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Explanation:

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2.This property measures the ability of chemical change. Examples of chemical properties are reactivity, flammability, and oxidation state.

The physical properties of a substance do not involve any chemical reaction. These include density, color, mass, hardness, freezing points, electrical properties, and the like.

Chemical properties include the reaction of chemicals with other substances. These reactions lead to the disappearance of the raw material and the appearance of new materials that have different physical and chemical properties.

3.Chemical properties can be compared to physical properties; On the contrary, they are recognizable without changing the structure of matter. However, for many properties in the field of physical chemistry and other disciplines at the boundary between chemistry and physics, the distinction can be a matter for the researcher's point of view. The properties of materials, both physical and chemical, can be seen as metaphysical; This means that it is secondary to the principle of tangible reality. Multiple metamorphic layers are also possible.

7 0
3 years ago
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