Chemistry, 06.10.2019 07:40 mirandatorres2601

There are three main types of mixtures. which is a homogeneous mixture?

salt water contains small particles that have moved, so they are evenly spread through the mixture.

paint is composed of many colored particles that separate from the rest of the mixture when left in the can for a long time.

shaving cream is a mixture that contains small- to medium-sized particles suspended in foam.

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The best and most correct answer among the choices provided by the question is the first choice "Salt water contains small particles that have moved, so they are evenly spread through the mixture. "

A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions.

I hope my answer has come to your help. God bless and have a nice day ahead!

Answer from: baileytmyers01

Option (a) is the correct answer.

Explanation:

A homogeneous mixture is defined as a mixture in which the solute particles completely or uniformly distribute into the solvent.

For example, salt in water is a homogeneous solution.

On the other hand, a heterogeneous mixture is defined as a mixture in which solute particles are non-uniformly distributed into the solvent.

For example, mud in water is a heterogeneous mixture.

In a suspension, particles of solute settle at the bottom of the solution after sometime upon coming in contact with the solvent.

For example, paint is composed of many colored particles that separate from the rest of the mixture when left in the can for a long time.

In a colloid, particles of a solute remain suspended into the solution.

For example, shaving cream is a mixture that contains small- to medium-sized particles suspended in foam.

Thus, we can conclude that out of the given options salt water contains small particles that have moved, so they are evenly spread through the mixture, is a homogeneous mixture.

Answer from: Quest

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

$^{m}_{4}x$ and $^{m}_4y$

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

$^{m}_{5}x^{-}$

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be $^{9}_{5}be^{-}$ and $^{9}_{4}be$ .

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.

Answer from: Quest

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

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There are three main types of mixtures. which is a homogeneous mixture?

salt water con...

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