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Vlad1618 [11]
3 years ago
12

EMERGENCY: PLS HELP OR I WILL FAIL I WILL MARK BRAINLIEST!!

Chemistry
2 answers:
Levart [38]3 years ago
6 0

Answer:

hope it helps

Explanation:

Dvinal [7]3 years ago
6 0

Answer:

Neutron is a neutral particle located in the nucleus of the atom

Electron cloud is the area of the atom surrounding the nucleus where electrons can be found

Electron is a negatively charged particle that orbits the nucleus of an atom

Proton is a positively  charged particle located in the nucleus of an atom

Nucleus is the central part of the atom containing protons and neutrons

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Liquids that do not mix are called
djyliett [7]

Answer:

Immiscible liquids

Explanation:

Immiscible comes from two words; 'im' indicating a negation or a contradiction; and 'miscere' meaning to mix.

Putting the words together, immiscible means not able to mix.

3 0
3 years ago
How many molecules of O2 are in 153.9 g O2?
MrRissso [65]

Answer:

2.895*10^24

Explanation:

mass of Oxygen give = 153.9g

molar mass of O2 molecule = 16*2=32g/mol

n= mole

To find the mole

n= mass/ molar mass

n= 153.9/32

n=4.81mol.

To find the number of molecules of o

Nm= number of molecule

Nn = Number of mole

NA = number of Avogados

Nm= Nn * NA

Nm= 4.81 *6.02*10^23

Nm= 2.895*10^24

3 0
3 years ago
Find the numberof moles in 60 grams of SO3
ziro4ka [17]

The answer is in the photo

8 0
3 years ago
What we eat, and how we move our bodies, effects our blood. How does that end up affecting our other organs in the body
kati45 [8]

Answer:

The digestive system converts the foods we eat into their simplest forms, like glucose (sugars), amino acids (that make up protein) or fatty acids (that make up fats). The broken-down food is then absorbed into the bloodstream from the small intestine and the nutrients are carried to each cell in the body.

5 0
2 years ago
Read 2 more answers
A typical hydrogen peroxide solution from a drug store is labeled as 3.0% hydrogen peroxide. What is the other 97% of this compo
GarryVolchara [31]

Answer: Water

Explanation:

Chemically speaking, a solution has two components: solute and solvent.

The <u>solute</u> is that substance (usually solid, but it can also be liquid or gas) that dissolves in a liquid substance and <u>its proportion in the resulting solution is usually less than the solvent. </u>

The <u>solvent</u> is the substance used to <u>dissolve the solute, and generally its proportion in the resulting solution is greater.</u> Being the most common used  solvent water.

This means that in a solution there is usually more solvent than solute.

So, in the case of the hydrogen peroxide solution, since the proportion is 3\% to 97\%, the hydrogen peroxide is the solute and water is the solvent.

5 0
3 years ago
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