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34kurt
3 years ago
7

A substance that is ______ will NOT dissolve in a solvent. A) freezing B) insoluble C) evaporating D) soluble

Chemistry
2 answers:
kiruha [24]3 years ago
8 0

Answer:

B)Insoluble

Explanation:

A substance that does not dissolve in a solvent is insoluble. Process of Dissolving: Solvent particles surround solute particles to form a solution in a process called solvation. (This dissolving process in water is called hydration.)

Alexxandr [17]3 years ago
4 0

Answer:

insoluble

Explanation:

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PLEASE SOMEONE HELP ME WITH THIS
Likurg_2 [28]

Answer:

1.30 moles

Explanation:

As written, the molar mass of the fat is 770.5 g/mole.  Add all the C, H, and O's (I get C48H98O6) and multiply by the molar mass of each.  I obtain the 770.5 grams/mole figure, but would note that a more common fat is actually C3H5(O<u>H</u>(CH2)14(CH3))3 and not C3H5(O<u>O</u>(CH2)14(CH3))3.

Assuming C3H5(OO(CH2)14(CH3))3 is the correct structure, 1000g would mean 1000g/(770.5 g/mole) = 1.298 moles, or 1.30 moles to 2 sig figs.

3 0
3 years ago
If an element has an atomic number of 20 and a mass number of 41, what is the :
iVinArrow [24]

Answer:

20 protons, 20 electrons, and 21 neutrons

Explanation:

The atomic number of an atom is the number of protons it has. If the atomic number is 20 then we know the atom has 20 protons.

•The mass number of an atom is the total number of protons and neutrons the atom contains. The mass number is 41 and the number of protons is 20, just subtract 20 from 41 and you will get the number of neutrons: 41 - 20= 21. The atoms has 21 neutrons.

•The number of electrons found in an atom is equal to the number of protons. The atoms has 20 protons which means it has 20 electrons.

So, the answer is:

20 protons, 20 electrons, and 21 neutrons

8 0
3 years ago
Which carbon reservoirs are underutilized
statuscvo [17]
Carbon is stored in the ocean
8 0
3 years ago
Calculate the number of grams of carbon found in a 5 mole sample of carbon.
Ksenya-84 [330]

Answer:

60g

Explanation:

1mol of carbon has 12g

3 0
3 years ago
Help me answer this question please?
Tema [17]

Answer:

I think D

Explanation:

Ok, I'm not sure but it sounds right ish you should check a practice video or something. It might also be B or C but im pretty certain it isnt A just ask yourself is the student measuring it in newtons? Is that important in the process? What about if the student is considering the affect of mass is it important? Good luck srry if im not much of help! If this is like A SUPER IMPORTANT TEST OR SOMETHING RLLLLLLLY IMPORTANT just wait for another answer gl!

5 0
3 years ago
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