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iris [78.8K]
2 years ago
7

In the event that a chemical gets in your eye while in the lab, you would use the eyewash station. In your at-home lab, however,

which of these courses of action (according to your lab procedure)could be used in lieu of an eye wash station?A. Using Visene, contact solution, or a similar eye drop immediatelyB. Using the sprayer on your sink if you have oneC. Pouring milk in your eye(s)D. A vigorous 30-second eye rub
Chemistry
1 answer:
kozerog [31]2 years ago
7 0

Answer:

Using the sprayer on your sink if you have one

Explanation:

If a chemical gets into your eye, you will need to flush the eye thoroughly with water in order to get the chemical out of the eye before it causes any kind of damage to the eye.

This could normally be done in an eye wash station. However in the absence of an eye wash station, one could use the sprayer of the sink if he/she has one. This will deliver water to completely flush the eye at lower pressure.

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If 50 mL of pure acetone is mixed with 450 mL of water, what is the percent by volume of acetone?
slega [8]

Answer:

10%

Explanation:

The percent by volume of acetone is given by the following formula:

% v/v = Volume of acetone / Total Volume * 100%

Now we <u>calculate the total volume of the solution</u>:

Total Volume = Volume of Acetone + Volume of Water

Total Volume = 50 mL + 450 mL = 500 mL

Then we <u>calculate the percent by volume:</u>

% v/v = 50 mL / 500 mL * 100 % = 10%

4 0
2 years ago
During a lab exam a student looked through the microscope and identified the following cell parts: circular DNA, ribosomes, cell
notsponge [240]

Answer:

The correct answer to this question is a prokaryotic cell.

Explanation:

Prokaryotes have circular DNA and a cell wall, whereas eukaryotes have their DNA packaged into chromosomes and may not have a cell wall (as is the case in animal cells).

Hope this helps!

5 0
2 years ago
Identify the Lewis acid in this balanced equation: SnCl4 + 2Cl− → SnCl62−
Grace [21]

Answer:

The answer is SnCI4.

Explanation:

5 0
2 years ago
Read 2 more answers
How do you determine how many molecules are in a chemical equation
V125BC [204]

Answer:

Determine the mass of substance and it's molar mass. Divide the given mass by it's molar mass to get moles and multiply time

6.002*1023 molecules 1mole

5 0
2 years ago
Which set of changes does not involve breaking or forming chemilcal bonds
sineoko [7]
<h2><u>Answer:</u></h2>

It wasn't an adjustment in the condition of issue on the grounds that the vitality in the can did not change. Additionally, since this was a physical change, the atoms in the can are as yet similar particles. No synthetic bonds were made or broken.  You added enough vitality to make a stage change from strong to fluid.  

The main changes recorded which don't include framing or breaking substance bonds would bubble and liquefying. Bubbling and liquefying are physical changes as opposed to synthetic changes, so no new items are shaped.

6 0
3 years ago
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