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Vsevolod [243]
3 years ago
15

Please help i don’t understand it and i’ll give 56 points

Chemistry
1 answer:
netineya [11]3 years ago
8 0
(Its Out Of Order)
Is this beaker the appropriate tool for measuring volume? - No
Pic.2 What does each graduation line stand for? - 1 mL
Pic.3 What does each graduation line stand for? - 1 mL
Pic.4 What does each graduation line stand for? 50 mL

Now for the volume I can't tell you the answer as I can't see it well,but take a sticky note or a piece of paper and but it at the bottom of the curved line that the water makes in the beaker.The meniscus is where it should be.
The meniscus is the curved upper surface of a liquid in a tube.
Then you're get your answer make.
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Reduction is a reaction which results in a __1____ in electrons and a __2____ in positive charge of the atom or ion
mestny [16]

Hello! Your answer would be a gain of electrons and a decrease in positive charge.

Contrary to how it sounds, reduction is actually a gain of electrons. It is part of a set of reactions known as a redox reaction, reduction being a gain of electrons and oxidation being a loss.

With the gain of electrons, the element would become more negative as electrons bring with them a negative charge. Therefore, this would decrease the positive charge.

Hope this helped!

7 0
3 years ago
Identify each of the following mixtures as either homogeneous or heterogeneous and as a solution, a suspension, or a colloid.
Sergeeva-Olga [200]

Blood.

<span>Blood is heterogeneous because it has corpuscles (blood cells and platelets) physically suspended in blood plasma.   Blood plasma and the corpuscles have different properties and can be separated by methods such as centrifugation. Also, blood is considered a colloid suspension because it has the properties of both a colloid and a suspension. This is because the blood plasma acts as a colloid. More so, if blood was left to settle,then the blood cells would collect at the bottom hence taking the characteristic of a suspension. </span>

<span>Salad dressing.</span>

<span>Depending on the type of salad, it can either be a heterogeneous or homogeneous mixture. If the salad dressing is only of vinegar or any other oil, then it is a homogenous mixture. However, if it involves a mixture of vinegar and other oils, pepper, herbs, and etcetera, then it is a heterogeneous mixture</span>




4 0
3 years ago
Read 2 more answers
A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?
cricket20 [7]

Answer:

A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?

Explanation:

3 0
3 years ago
Read 2 more answers
Psychologist work with "neurotics" more<br> than psychotics.<br> A-True<br> B-False
dexar [7]
It would be FALSE!!!
3 0
3 years ago
Identify and explain the process shown below. Name any two products obtained during this process and state their uses.
lapo4ka [179]

Answer:

This is heating limestone

Explanation:

Process:

limestone is heated strongly. After a while, the limestone begins to go cloudy. Test tube is heated too much that it is beginning to  soften it. After removing limewater, test tube cools down, the pressure in the test tube drops and air pressure pushes the cold the liquid into the hot test tube with terrible result.

Products:

Limestone is also known as calcium carbonate and Limewater

Click on the link provided to show the video

https://youtu.be/RLL5rT_DeKc

or search heating calcium carbonate

you will find a video

5 0
3 years ago
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