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melomori [17]
3 years ago
14

Compare how a positively charged object and a negatively charged object will react when each is placed separately near an unchar

ged object.
write 3 paragraph
WILL BE MARKED AS BRAINIST
Chemistry
2 answers:
baherus [9]3 years ago
8 0

They would be attracted with the uncharged object.

It occurs because of the electric field of negative and positive charges . The negative attracts positive ions of the uncharged object and the positive does the opposite one. Therefore, they attract with the uncharged object.

boyakko [2]3 years ago
6 0

Answer: The charged objects will attract the uncharged object

Pls brainliest

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Look at the images of Mars below. choose three features from the images and explain why they provide evidence thatt there is or
asambeis [7]

Answer:

Spot (4)  Has evidence that there were waves here at some point. It looks as if the sand/surface debris was moved back and forth, creating this pattern in the sand. Spots (5) and (7) show evidence of water erosion. The smooth edges of both hills mean that water once flowed through that area, carrying little pebbles and rocks that gradually shaped and smoothed those mounds. An example for this would be how there are smooth areas in the Grand Canyon where scientists have concluded that some, if not all, of the Grand Canyon was formed by flowing water. "Rapid uplift, cracking, and surface drainage of receding floodwaters provide both the path and the necessary volume of water to quickly carve out Grand Canyon," says scholars on icr.org.

Explanation:

Water Erosion exists.

3 0
3 years ago
What are some examples of monomers and oligomers?
aleksandr82 [10.1K]
<span>What are some examples of monomers and oligomers?
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</span><span>If a chemical compound accelerates and regulates metabolic reactions, which type of role does it play - structural or physiological? 
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7 0
4 years ago
What is the hydrogen ion concentration of a solution with pH=7.75 ?
Alja [10]

Answer:

[H^+]=1.78x10^{-8}M

Explanation:

Hello there!

In this case, according to the given information about the pH, it is firstly necessary for us to remember that the pH is defined as the potential of the hydrogen ions in the solution and the concentration of those ions represents how many of them are present in the solution; in such a way, it is possible for us use:

pH=-log([H^+])

Whereas the concentration of hydrogen ions can be calculated as follows:

[H^+]=10^{-pH}

So we plug in the given pH to obtain:

[H^+]=10^{-7.75}=1.78x10^{-8}M

Regards!

5 0
3 years ago
** will mark you brainliest if answered correctly **
lord [1]

Answer:

D. 23.9 liters

Explanation:

  • Molarity is defined as the no. of moles of solute dissolved in 1.0 L of the solution.

M = (no. of moles)solute / (V of the solution (L))

M = (mass/molar mass)NaCl / (V of the solution (L))

M = 0.03 M, mass of NaCl = 42.0 g, molar mass = 58.44 g/mol.

∴ V of the solution = (mass/molar mass)NaCl / M = [(42.0 g/58.44 g/mol)] / (0.03 M) = 23.96 L.

<em>So, the right choice is: D. 23.9 liters</em>

7 0
3 years ago
What would be the effect on the observed melting point of sample were poorly packed?
Neko [114]
If a sample is packed poorly, the sample will not heat evenly and will take longer to melt.
5 0
3 years ago
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