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Answer:

no

Explanation:

bcuz science

Answer:

The more mentos you put in a bottle of pop does not necessarily mean a larger explosion. The max amount of mentos with the largest explosion was 4 mentos, it went 350 cm high. With 5 or 6 mentos the explosion went only 330 and 310 cm high.

Hope this helped in some way?

Answer:

As electro-negativity decreases from Florine to downwards in the group and only Florine is above Chlorine, so Florine should react with sodium chloride solution to produce chlorine.  

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Answer:

Hey there are you doing are you doing I will tell you the answer

Answer:

In the Lewis structure for IF5 you'll need to put a total of 12 valence electrons on the Iodine atom in order to draw the Lewis structure. Remember that Iodine (I) can hold more than eight valence electrons. For the IF5 Lewis structure, calculate the total number of valence electrons for the IF5 molecule

Explanation:

I be knowing hope this helps

Answer:

C. size and shape

Explanation:

Physical properties such as size, shape, color, density, magnetism or the

ability to sink or float can be used to separate the substances in a mixture..

Filtration is when matter is passed through a filter and the larger particles

are separated out. Magnets can be used to separate magnetic matter from

non-magnetic matter in a mixture. Objects that float when placed in water

can be separated from those that don’t by placing the mixture in water.

Explanation: In solids, particles are very closely packed in an orderly arrangement in a lattice and only vibrate in fixed positions. The forces of attraction between them are very strong. This allows them to overcome the forces of attraction that hold the other phases closer together

They may be the same substance even though they have different volumes and masses.

Intensive properties are the properties are characteristic  a substance. Intensive properties are those properties of a substance that can be used to describe the substance.

We can see that the substances have similar reactivity and similar density. This means that they may be the same substance even though they have different volumes and masses.

The correct option is; "Yes, it is possible because they have similar intensive properties."

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Answer:

If it becomes buried deep into the earth and it is open to increased temperate and pressure. Then an Igneous rock could be Metamorphic. This process can take a lot of time but eventually the rock will change due to pressure andbhigher temperatures.

Answer:

The is less friction on an icy surface

Explanation:

This is because when u walk on plain ground there is steady friction on the surface but when u walk on an icy floor these is barely any friction which is why it's hard to walk on.

Answer:

There is less friction on an icy surface.

Hope that helps.

Explanation:

Answer:

One element takes the place of another in a compound

Explanation:

I just took a test for it and got it right. :)

Hope This Helps :)

Substances having fixed chemical proportions will have fixed boiling and melting points. This is the reason that Pure substances have specific melting and boiling points because their chemical proportions are fixed. Mixtures melt and boil over a range of temperatures

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Answer: A increase

Explanation: The temperature of room will increase. If a refrigerator door is open then more flow rate of coolant is required in order to maintain lower temperature So the compressor will be running continuously also heat exchange happening through condenser increases the room temperature rather than decreasing.

Answer:

1. Get the mass of each element by assuming a certain overall mass for the sample (100 g is a good mass to assume when working with percentages). ...

2. Convert the mass of each element to moles. ...

3. Find the ratio of the moles of each element. ..

4. Use the mole ratio to write the empirical fomula

Answer:

Multiply each result by the given mass.

Explanation:

Hi!

In order to find percent/mass composition you would

1. write the formula

2. calculate the molar mass for each equation

3. add all the masses to get the compound molar mass

4. divide each molar mass by the total mass

and then for mass composition, you would multiple eachy result by the given mass.

For example;

Calculate the number of grams of gold in 89.6 grams of gold(1) perchlorate.

Your formula would be AuClo4

Au : 196.96 x 1

Cl: 35.4 x 1

O: 16 x 4

Add the masses together to get 296.5 g/mol

Lets say we're looking for Oxygen. You would take what you got (16 x 4) and divide it by the total mass. 64/296.5

This would equal 0.215. Instead of multiplying this by 100 like you would for percent, for mass you would multiply by what is given. in this instance it is 89.6.

0.215 x 89.6 = 19

But the question is asking for gold,

197/296

= 0.664 x 89.6

= 59.5

Your answer would be 59.5 grams Au

Hope this helped! : D

Answer:

g/cm^3

Explanation:

Density= m/v

gram is a measurement of mass

cm^3 is a measurement of volume

Hope this helps:) Have a good day!

Answer:

base

Explanation:

The substance NaOH will be disassociated in ions of Na and OH.

Ahrrenius concept of base it's anything that dissolved in water produces OH.

Answer:

A mixture of molecules is a group of molecules in which there are multiple different elements and atoms, that are in either fixed proportions or random. There are heterogeneous and homogenous mixtures.

Explanation:

The three-dimensional coordination number of the face-centered cubic arrangement  has a coordination number of 12 and contains 4 atoms per unit cell.

The coordination number, also known as ligancy, of a central atom in a molecule or crystal is the sum of all the atoms, molecules, or ions that are linked to it. This value is used in crystallography and materials science. A ligand is the ion, molecule, or atom that surrounds the center ion, molecule, or atom.

The number of atoms, ions, or molecules that a central atom or ion bears in a complex or coordination compound or in a crystal as its near neighbors is known as the coordination number, also known as ligancy.

In contrast to oxidation state, which is a number assigned to an element in chemical combination and represents the number of electrons lost or gained by an atom of that element in the compound, co-ordination number is the number of co-ordination bonds with which the ligands are bound to the central ion.

Thus, the face-centered cubic arrangement  has a coordination number of 12 and contains 4 atoms per unit cell.

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Answer: protons

Explanation:

a) Neutrons are located in the nucleus but have a negative charge.

b) Atoms are not subatomic particles but are rather made of subatomic particles.

c) Electrons are subatomic particles with a negative charge that are located outside of the nucleus.

d) Protons are subatomic particles that are located in the nucleus and have a positive charge.

Explanation:

most common elements that bond with oxygen is Hydrogen (H2) to form water

Answer:

The lack of accuracy and underestimation of absorbance readings obtained from the colorimeter can be contributed to many experimental factors. One plausible error is from the imperfection of the absorber, in that it may not completely absorb the stray light passing by the perimeters of the photoresistor.

Explanation:

In practice there are other sources of error, such as environmental effects on photometer and sample, temperature, line voltage fluctuations, vibrations, contamination, or heating of the sample by the photometer. All these factors may impair the measured result, and ways and means are known to test and eliminate them.

Answer:

ion- ion> H - bonding > dipole > dipole> london dispersion

By definition, electrolysis is the use of an electric current to cause a chemical reaction which wouldn't otherwise happen. In a chemical change, bonds are either broken or formed. Electrolysis is a chemical change because, in the process of electrolysis, bonds are broken or formed.

Answer:

a theory of a experiment and the experiment acts like a judge determining if the hypothesis is right or wrong from the final test result

Explanation: