Which type of mixture can be separated using a sieve?

A homogeneous mixture with components of varying sizes
A homogeneous mixture with components of the same size
A heterogeneous mixture with components of the same size
A heterogeneous mixture with components of varying sizes

Answers

Answer 1

Answer:

D: a heterogeneous mixture with components of varying sizes

Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.

Explanation:

Answer 2

Answer: D, a heterogeneous mixture with components of varying sizes.

Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.


Related Questions

what is the 3-dimensional orientation of a sublevel known as?

Answers

The 3-dimensional orientation of a sublevel is known as atomic orbital.

In quantum mechanics, Atomic orbitals are locations around an atom's nucleus where electrons are most likely to be at any particular time(specific orbits). These specific orbits exist in levels and can be broken down into sublevels.

Each sublevel has an orbital and it is oriented differently in 3-dimensional space.

The atomic orbital is a mathematical function that depicts how one or two electrons in an atom behave as seen in waves.

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What does a chemical equation show that a word equation does not

Answers

Answer: I do believe it shows variables.

Explanation:

Which of the following is not an ingredient for photosynthesis?

A. Oxygen

B. Carbon dioxide

C. Light energy

D. Vinegar

Answers

Answer:

d

Explanation:

......................

Answer:

D. vinegar

Explanation:

Hope this helps you!!

MARK AS BRAINLIEST!!

 Write the chemical compounds and names for the following ionic compounds. Magnesium and phosphorus 

Answers

Answer:

Magnesium is Mg.

Phosphorus is P.

What state is represented by the sign (s)
liquid
gas
solid
dissolved in water

Answers

solid.

liquid is (l)

gas is (g)

dissolved in water is (aq)

Analyze the reaction of solid magnesium and water. Which pair of reactants and products in the table below represent the correct balanced equation for the reaction?

Answers

Answer:

monkey

Explanation:

cause that's what u r

Write the chemical formulas and names for the following ionic compounds. Cobalt (III) and bromine

Answers

Answer:

CoBr2,CoBr2·6H2O,CoBr2·2H2O

Explanation:

Write the chemical formula for the following ionic compound nickel (III) sulfate 

Answers

Answer:

Nickel(III) Sulfate Ni2(SO4)3 Molecular Weight -- EndMemo.

Explanation:

this will explain everything

what are isotopes and explain why​

Answers

Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. The number of protons in a nucleus determines the element's atomic number on the Periodic Table. For example, carbon has six protons and is atomic number 6.

The boiling points of different substances are given in the table below. Substance Boiling point (°C) Acetic acid 118. 1 Benzene 80. 2 Chloroform 61. 2 Water 100. 0 Which substance most likely has the strongest intermolecular forces? acetic acid benzene chloroform water.

Answers

The compound with the presence of higher inter-molecular forces has been Acetic acid. Thus, option A is correct.

The boiling point has been the temperature, at which the liquid has been started to convert to steam. The boiling has been mediated with the application of the energy to the substance for the breaking of the inter-molecular forces.

The higher the inter-molecular forces in the compound, the higher will be the boiling point of the compound. The higher concentration has also resulted in a higher boiling point.

In the following compounds, acetic acid has the highest boiling point of 118 degrees Celsius. Thus, it has been constituted of the higher inter-molecular forces. Hence, option A is correct.

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Hello! Everyone:) I was just wondering if you can help me with my test.

Points: 99

Answers

Answer:

By their properties ;)

Explanation:

[tex]\Large \boxed{\sf by \ their \ properties}[/tex]

Every element has a set of particular characteristics. Each has a unique atomic and mass number because they contain a different ratio of protons and neutrons. The number of protons in an element mirrors the element's atomic number. The mass number equals the sum of the element's protons and neutrons.

According to increasing atomic numbers, chemical elements get organized. Periods and groups are the names of the horizontal rows and vertical columns, respectively. The chemical characteristics of elements within the same group are comparable due to their similar valency and number of outer electrons.

EARTH SCIENCE: PLEASE HELP ME !!! Which tools do astronomers use to determine the effects of collisions between galaxies? Select the two correct answers.(1 point)

computer simulations

print encyclopedia entries

space telescopes

solar system models

Answers

In studying effects of collisions between galaxies, astronomers usually make use of space telescopes.

Astronomy deals with the study of outer space. The study focuses on planets and other celestial bodies. Generally telescopes are used to study outer space. The particular type of telescope that is used depends on the need.

In studying effects of collisions between galaxies, astronomers usually make use of space telescopes.

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will give brainlist to a person with correct answers for all (please help me)
1. Explain how is LiCl formed?
2. What is a combination/synthesis reaction
3. What is a decomposition reaction?
4. What is a single-replacement reaction?
5. What is a double-replacement reaction?
6. What are the trends in electronegativity within groups and across periods in the periodic table?
7. Which element has the lowest electronegativity value?
8. How does electronegativity determine the type of bond that atoms will form?
9. What type of bond will form between 2 atoms that have a large difference in electronegativity?
10. What type of bond will form between 2 atoms when the difference in electronegativity is 0.5?
11. Which element has the highest electronegativity value?
12. What does it mean that matter cannot be created nor destroyed in a Chemical reaction?

Answers

Answer:

1. LiCi is formed by the treatment of lithium carbonate with hydrochloric acid

2. A combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product).  

3. Chemical decomposition, or chemical breakdown, is the process or effect of simplifying a single chemical entity into two or more fragments.

4. A single-displacement reaction, also known as single replacement reaction or exchange reaction, is a chemical reaction in which one element is replaced by another in a compound

5. Double replacement reactions have two ionic compounds that are exchanging anions or cations.

6. The most electronegative elements are found on the top right of the periodic table.

7. cesium

8. Electronegativity describes the degree to which an atom attracts electrons in a chemical bond. But the electronegativity of two atoms would determine their bond type.

9. ionic bond

10. polar covalent bond

11. fluorine

12. Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change.

Hope i was able to help!!!

Why is the energy supplied by the cooker greater than that calculated in part (a)

Answers

Answer:

136000 J or 136 kJ

Explanation:

Formula

Heat = m * c * deltaH

Givens

m= 0.5 kg

c = 3400 J / (kg * oC)

Deltat = (100oC – 20oC)

deltat = 80oC

Solution

Heat = 0.5 kg * 3400 J/(kg* oC) * 80oC

Heat = 136000 Joules

Heat = 136 kg

Technically there is only 1 place of accuracy.

A mechanical pencil is 14 cm long. What is its length in mm?

Answers

Answer:

140mm................

Arrange the gases from most dense to least dense at a given temperature and pressure.
Most dense
Least dense
Answer Bank
Ar
Ne
CO2
H
C12

Answers

Answer:

Arrange them in order of greatest to least Molar Mass to get most dense to least dense at a given temperature and pressure.

Explanation:

"Given Temperature and Pressure" just tells you that those two variables are being held constant. The Ideal Gas Law (PV = nRT) shows that n (the # of moles) and V (the volume) are variable still. To keep pressure constant, we need to increase the volume so that the force per area is the same which would unfortunately lower the density. The only way for a gas to have the greatest density would be to have the least average kinetic energy to keep the pressure constant at a smaller volume. This is because kinetic energy is equal to KE = 1/2 m v^2, where m is mass in kilograms and v is the velocity. IT IS CRUCIAL TO NOTE THAT ACCORDING TO KINETIC MOLECULAR THEORY, ALL GASES HAVE THE SAME AVG. KINETIC ENERGY WHEN AT THE SAME TEMPERATURE. So since the avg. KE is also constant across these answers due to the temp. being constant, our only way to decrease the velocity (the rate at which the particles are moving per second) and in turn the number of collisions (to repeat, a smaller number of collisions is desired because they are equal to the pressure that must maintained at a constant value at the smallest volume possible to achieve highest density possible) is to increase the molar mass. This is also pretty intutive for the other part of the issue: since Density is a broken heart (m/v), a higher molar mass would ensure a smaller pressure (due to decreased velocity) and smaller volume (due to constant pressure). Okay, now order the gases heaviest to lightest in terms of molar mass and you got your answer. Please gimme brainliest if this helped bc it took 15 minutes to type out. Hope this helped you! :D

Density is an intensive property as it does not depend on the quantity of the substances Whereas mass and volume are extensive property. The order of density is carbon dioxide>Neon >argon>carbon-12> hydrogen.

What is density?

Density tells about the compactness of the substances, how much dense is the substances in other words. Object that is more denser than water they just sink in the water.

Mathematically,

Density of gas  = Molar Mass of the gas  ÷volume occupied by the given gases

Density is directly proportional to molar mass of the gases.

Molar mass of argon = 18g/mole

Molar mass of Neon = 20g/mole

Molar mass of carbon dioxide=44.01 g/mol

Molar mass of hydrogen=1g/mol

Molar mass of carbon-12=12g/mol

The order of gases from most dense to least dense at a given temperature and pressure is carbon dioxide>Neon >argon>carbon-12> hydrogen.

Therefore, the order of density is  carbon dioxide>Neon >argon>carbon-12> hydrogen.

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How do i find a ionic formula?

for example Ca2+ & S2-​

Answers

Example #1 write the chemical formula for Calcium Oxide

Step 1

-Find the Atomic symbol of the metal and non-metal on the periodic table

CaO

Step 2

Find the charges for Calcium and Oxygen

which are Ca 2+ and O 2-

Step 3

Balance out the charges

They are already balanced out

Here´s the chemical formula for Calcium Oxide

CaO

Example 2 write the chemical formula for Aluminum Oxide

Step 1

-Find the Atomic symbol of the metal and non-metal on the periodic table

A

l

O

Step 2

Find the charges for Aluminum and Oxygen

Which are Al 3+ and O 2-

Step 3

Balance out the charges

You need 2 Aluminum and 3 Oxygen to balance the charges

Al 3+ O 2-

Al 3+ O 2-

= 6 + O 2-

= 6-

Step 4

If you need more then one element to balance out the charges you identify that by using subscripts

Heres your chemical formula for Aluminum Oxide

[tex]Al_{2} O_{3}[/tex]

A high viscosity liquid will

Answers

Answer: high viscosity fluids move sluggishly and resist deformation.

Explanation: some examples of high viscosity liquids is Honey, syrup, motor oil, and other liquids that do not flow freely

which of the following is a characteristic of the modern periodic table

Answers

They are all radioactive

What is the melting point of water ?
what is the freezing point of water?​

Answers

Answer:

Freezing point: 32°F or 0°C

Boiling point: 212°F or 100°C

Chlorine has 7 valence electrons. Describe the type of bond that sodium would have

with chlorine. Write the chemical formula of the compound these two elements would form together. (i figured it out nvm)

Answers

As chlorine has 7 valence electrons and sodium has 1 valence electron so to become stable and complete their octets sodium will become a cation by losing one electron and chlorine will form an anion and will gain one electron in this way both will become stable and an ionic bond will form between sodium and chlorine
Chemical formula:
Na + Cl —> NaCl

How many atoms are in 80.45 g of magnesium with explanation

Answers

Answer:

There are 1.9926 * 10 ^24 atoms.

Explanation:

M ( Mg ) = 80.45 g

We can find the molar mass of magnesium in the Periodic table:

M ( Mg ) = 24.31 g / mole

n = 80.45 g : 24.31 g/mole = 3.31 moles

N a ( Avogadro`s constant ) = 6.02 * 10 ^23

N = Na * n = 6.02 * 10 ^24 * 3.31 = 19.926 * 10 ^23

Not every earthquake has a(n) ______, but every earthquake has _____that occur in _____ the mainshock.

1.
Aftershock
Foreshock <------

2.
Aftershock <-------
Foreshock


3.

Places far away from
The Same place as <------


Am i right?

Answers

Yes I’m pretty sure that’s correct

Not every earthquake has a(n) Foreshock, but every earthquake has an Aftershock that occurs in the Same place as the mainshock.

What is an earthquake?

An earthquake is defined as a natural disaster in which there are tectonic plates that are present on the earth's crust collides with each other.

An Earthquake can be minor as well as natural depending upon the frequency it causes the damage. Earthquake is the Shaking of Earth and was much destruction of the economy and manpower.

Surroundings are being disturbed like trees will fall, and buildings will collapse which will cause damage to the economy as well as to human life.

Foreshock is the before shop which happens before the earthquake and aftershock is the other socks that happen after the earthquake

Thus, the correct options are 1. Foreshock, 2. Aftershock, 3. The Same place as.

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what are Metals that are less reactive than alkali metals and alkaline-earth metals called

Answers

Answer:

The first ionization energies (I1) of the alkaline earth metals are not as low as the alkali metals. The alkaline earth metals are therefore less reactive than the alkali metals (Be and Mg are the least reactive of the alkaline earth metals). Several physical properties of these elements are compared in Table 7.7.

How many neutrons are in K-37?

Answers

Answer:

is this physics

pls check your questions and try again

how do i find the name of an element

Answers

Answer:

The periodic table will say it underneath the symbol.

Explanation:

I don't know how else to describe it but I hope this helps. :)

In the periodic table of elements it will say


So 28 (NI) is nickle bc thats what is says on the bottom left

PLEASE HELP WILL AMRK BRAINLIEST
what is the atomic mass of Na3PO4?

Answers

Answer:

163.94

Explanation:

Na = 22.99 (3)

P = 30.97

O = 16.00 (4)

22.99(3) + 30.97 +16.00(4) = 163.94

Hope that helps

163.94 g/mol
I think.. sorry if I’m wrong! Have a nice day :)

A student creates a hypothesis about their upcoming experiment. What must the
student do in their experiment with relationship to their hypothesis?
create a law based on the hypothesis
change the experiment to make the hypothesis correct
ignore the hypothesis
make observations to prove or disprove the hypothesis

Answers

Answer:

D. make observations to prove or disprove the hypothesis

Explanation:

What equation explains the relation between amperes, watts and volts?
I = W-V
I = W+V
I = W/V
I = W*V

Answers

Answer:

I = W/V

Explanation:

Comes from the Equation P=I*V where P is Power measured in Watts, I is Current measured in Amps and V is Voltage measured in Volts.

how do the prefixes of the –saccharide words relate to the structure of the sugar?

Answers

Answer:

The prefixes tell you how many of each there are.

Explanation:

So for this example, mono would mean there is one sugar, di meaning 2 sugars and so on. Hope this helped!

Here is a table:

mono- 1    hexa-6

di-2           hepta- 7

tri- 3          octo- 8

tetra- 4      nona- 9

penta - 5   deca- 10

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