Which refers to a mixture that contains more than one phase in which the characteristics of the particles vary throughout the mixture?

Answers

Answer 1

Answer: This type of mixture is a heterogeneous mixture. It is any mixture that is not uniform. Heterogeneous mixtures always have more than one phase.It is made up of substances which stays physically separate with each other. Best example is a mixture of sand and sugar. If you get two samples from different points of the mixture and analyze it, you will see that the concentrations of the components are different and that the two solid phases never combine with each other.

Answer 2

Answer:

Answer:

C. Heterogeneous

Explanation:

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If 2.0 moles of a substance are dissolved in 2.0 liters of solution, then the molarity of this solution is:0.5 M

1.0 M

1.5 M

2.0 M

Answers

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. The concentration of the solution is calculated as follows:

Molarity = 2.0 moles / 2.0 L

Molarity = 1.0 M

Answer:

1.0 M

Explanation:

Hello,

Molarity is a unit of concentration accounting for the amount of the moles of a solute per liter of solution as shown below:

$M=(n_(solute))/(V_(solution))$

In such a way, given the information on the statement, the resulting molarity turns out into:

$M=(2.0 mol)/(2.0 L)=1.0(mol)/(L)=1.0M$

Do not forget that mol per liters means molar units (M) as well.

Best regards.

Rainforests are typically responsible for global oxygen turnover

Answers

false...........................................

Answer:

false

Explanation:

If'substance X is a liquid, substance Y is a gas, and substance Z is a solid, and all are at thesame temperature and pressure, then the order of increasing strength of their intermolecular
forces would be

Answers

The answer is Y < X < Z

There are two alloys, one is 1 part silver and 5 parts copper and the other 3 parts silver and 1 part copper are mixed to form 350 pounds of an alloy that is equal in silver and copper content.How many pounds of each should be used?

Answers

Lets make x equal the number times you use the 1/5 ratio alloy and y equal the number of times you use the 3/1 ratio alloy. You can make the equation (x+3y)-(5x+y)=0 and (x+3y)+(5x+y)=350
Then you can make the system of equation of:
-4x+2y=0 (this is y=2x)
6x+4y=350
You can make 6x+8x=350 by through substitution and solve of x.
14x=350
x=25 (which means y=50)

that means that the weight of the 1/5 ratio alloy is 150 pounds.
(25+(5x25))=150
the weight of the 3/1 ratio alloy is 200 pounds.
((50x3)+50)=200

I hope this helps.

Which of the following elements has the largest electronegativity?Fluorine (F)
Bromine (Br)
Lithium (LI)
Calcium (Ca)

Answers

Answer:

FLUORINE

Explanation:

It has 5 electrons In Its 2P shell!

Answer:

Fluorine

Explanation:

because it has a score of 4.0 which is the highest possible

In chemical reactions, atoms area. created.
c. rearranged.
b. destroyed.
d. neutralized.

Answers

In chemical reaction, atomsalways are rearranged. They are never destroyed or created because it wouldcontradict the law of conservation of energy. The law of conservation of energystates that a matter cannot be created nor destroyed. It can only be formed inone way or the other. Also it cannot be neutralized. Resulting in one cannot bepart of a chemical reaction. An example of this is the reaction HCl + NaOH-> NaCl + H2O. the reactants and products are not created, they are justformed into another substance.

Final answer:

In chemical reactions, atoms are rearranged to form new substances.

Explanation:

In chemical reactions, atoms are rearranged.

Atoms are the fundamental building blocks of matter, and they cannot be created or destroyed in a chemical reaction. Instead, the atoms that make up the reactants rearrange themselves to form the products of the reaction.

For example, in the reaction between hydrogen gas (H2) and oxygen gas (O2) to form water (H2O), the atoms in the hydrogen and oxygen gases rearrange to form the water molecules. Thus we can correctly predict the arrangement of atoms as described above.

Learn more about Atoms here:

brainly.com/question/30735712

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