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dsp73
2 years ago
5

what safety rule does not apply to the organic chemistry laboratory? no eating, drinking, or smoking in the laboratory. wear pro

per clothing at all times. wear enclosed safety goggles at all times while in the laboratory. follow all safety instructions in the laboratory text or given by the teaching assistant. none of the choices are correct.
Chemistry
1 answer:
Vedmedyk [2.9K]2 years ago
6 0

Safety rules are the regulatory actions that need to be followed to prevent any danger. Following all safety instructions in laboratory text or by assistant does not apply in an organic chemistry lab. Thus, option D is correct.

<h3>What are laboratory safety rules?</h3>

Laboratory safety rules are the guidelines that are supposed to be followed by the person working in the laboratory while performing the experiments. While working in the organic chemistry lab one should never remove the equipment.

One should wear safety goggles and should not perform the experiments in absence of a teaching assistant. But it is not necessary to follow all the rules in the laboratory textbook.

Therefore, in option D. all rules of the information textbook are not necessary to be followed.

Learn more about laboratory safety, here:

brainly.com/question/2232090

#SPJ4

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Exactly 10.7 mL of water at 28.0 °C is added to a hot iron skillet. All of the water is converted into steam at 100.0°C. The mas
kotegsom [21]

Answer:

  • <u><em>The change in the temperature of the iron is a decrease of 14.0ºC.</em></u>

Explanation:

See the file attached, since it was not possible to show the complete answer in the canvas.

Download pdf
3 0
3 years ago
A solution is made by dissolving
barxatty [35]

Answer:

4.52 mol/kg

Explanation:

Given data:

Mass of lithium fluoride = 22.1 g

Mass of water = 188 g

Molality = ?

Solution:

Molality:

It is the number of moles of solute into kilogram of solvent.

Formula:

Molality = number of moles of solute / kilogram solvent

Mathematical expression:

m = n/kg

Now we will convert the grams of LiF into moles.

Number of moles = mass/ molar mass

Number of moles = 22.1 g/ 26 g/mol

Number of moles = 0.85 mol

Now we will convert the g of water into kg.

Mass of water = 188 g× 1kg/1000 g = 0.188 kg

Now we will put  the values in formula.

m = 0.85 mol / 0.188 kg

m = 4.52 mol/kg

8 0
3 years ago
Why is pyridine included in the reaction of an acid chloride and an amine or alcohol? Pyridine will deprotonate the amine or alc
Pavel [41]

Answer:

Pyridine will neutralize the acid by-product of the reaction.

Explanation:

In the esterifications, hydrochloric acid is released as a by-product that reacts directly with the pyridine in the medium to give the pyridine hydrochloride.

7 0
3 years ago
The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called ________.
pochemuha
The answer I believe is Hydration
5 0
2 years ago
How many total orbitals are within the 3s, 3p, and<br> energy level?
Nina [5.8K]

The answer for the following question is explained below.

Therefore the total number of orbitals are " 9 ".

Explanation:

Orbital:

An orbital is a mathematical function that describes the wave-like behavior of an electron,electron pair,or the nucleons.

The total number of orbitals present in the 3rd energy level is 9.

Here,

A 3 s subshell has only one orbital.

A 3 p subshell has three orbitals.

A 3 d subshell has five orbitals.

Therefore the total number of orbitals is:

3 s = 1 orbital

3 p = 3 orbitals

3 d = 5 orbitals

total orbitals in 3rd energy level is = 1 + 3 + 5 =9

Therefore the total number of orbitals are " 9 ".

7 0
3 years ago
Read 2 more answers
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