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e-lub [12.9K]
2 years ago
12

ALSO NEED THIS ANSWERED PRETTY SOON I THINK IK WHAT IT IS BUT NOT SURE HELP!

Chemistry
2 answers:
Montano1993 [528]2 years ago
4 0
It’s b. Just helped a lesson on this a couple weeks ago. It’s B because you’re using your muscular to pick up the pencil and your nervous system sends signals to your brain to send signals back to your arm to lift and grab the pencil
Illusion [34]2 years ago
3 0

Answer:

I think it's B but I could be wrong so really sorry if I am

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Water molecules display a significant amount of cohesion (to each other) and adhesion (to other objects). This is part of what a
nlexa [21]

Answer:

Hydrogen Bonding

Explanation:

Hydrogen bonding occurs between the positive dipole of one water molecule with the negative dipole of another. It is an intermolecular force that gives water its unique properties such as: high boiling point, high specific heat, cohesion, adhesion, and density.

7 0
4 years ago
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Which of the following gases is expected to be most soluble in water? Explain your reasoning. (a) CH4 (b) CCl4 (c) CHCl3
sladkih [1.3K]

Answer: (c) CHCl3

Explanation:

From the rule : a polar solvent will dissolve a polar compound and a non polar solvent will also dissolves a non polar compound.

(a) CH4 is non- polar and water is a polar solvent. Therefore CH4 is not soluble in water

(b) CCl4 is non polar and water is a polar solvent. Therefore CCl4 is not soluble in wtaer

(c) CHCl3 is polar molecule and water is also a polar solvent.

Therefore CHCl3 is expected to be most soluble in water

3 0
4 years ago
What is the apparent charge on the chlorine atom in the molecule hcl?
wariber [46]

I believe Cl (chlorine) would have a -1 charge since H tends to have a +1 charge.


Hope this helps!!! :)

7 0
3 years ago
Is salt water solution a homogeneous mixture
GuDViN [60]

Answer:

yes, it is a homogeneous mixture because the different parts cannot be seen.

Explanation:

8 0
3 years ago
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The biggest distinction between a eukaryotic cell and a prokaryotic cell is:
zepelin [54]

Answer:

Hello There!!

Explanation:

I believe the answer is C) The presence or absence of a nucleus.

hope this helps,have a great day!!

~Pinky~

8 0
3 years ago
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