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fgiga [73]
3 years ago
5

What is 8 correct things you do in the science LAB

Chemistry
2 answers:
liraira [26]3 years ago
7 0
1. Conduct yourself in a responsible manner at all times in the laboratory.

<span>2. Follow all written and verbal instructions carefully.  If you do not understand a direction or part of a procedure, ASK YOUR TEACHER BEFORE PROCEEDING WITH THE ACTIVITY.

</span><span>3. Never work alone in the laboratory.  No student may work in the science classroom without the presence of the teacher.

</span>4. When first entering a science room, <span>do not touch any equipment, chemicals, or other materials in the laboratory area until you are instructed to do so.

</span><span>5. Perform only those experiments authorized by your teacher.  Carefully follow all instructions, both written and oral.  Unauthorized experiments are not allowed.

</span>6<span>.<span> Do not eat food, drink beverages, or chew gum in the laboratory.</span>  Do not use laboratory glassware as containers for food or beverages.

</span>7<span>. Be prepared for your work in the laboratory.  Read all procedures thoroughly before entering the laboratory.  Never fool around in the laboratory.  Horseplay, practical jokes, and pranks are dangerous and prohibited. 
</span>

<span><span>8.<span> Always work in a well-ventilated area.  </span></span>
</span>

<span>9. Observe good housekeeping practices.  <span>Work areas should be kept clean and tidy at all times. 


</span></span>
Rina8888 [55]3 years ago
3 0
1. put goggles on
2.but gloves on
3.put a lab coat on

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Answer:

hydrogen bonds

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B solids made of atoms

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For the following example, identify the following:
guapka [62]

Answer: Option (A) is the correct answer.

Explanation:

According to the Gibb's free energy conditions:

     If \Delta G < 0, then reaction is spontaneous.

     If \Delta G > 0, then reaction is non-spontaneous.

      If \Delta G = 0, then reaction is equilibrium.

Since, the given reaction is F_{2}(l) \rightarrow F_{2}(g). It denotes that liquid state of fluorine is changing into gaseous state. And, the boiling point of fluorine is very low.

Therefore, at low and high temperature fluorine is a gas. Hence, the reaction is spontaneous in nature.

Thus, we can conclude that the statement at low temperature, the reaction is spontaneous and \Delta G < 0 and at high temperature, the reaction is spontaneous and \Delta G < 0, is correct.

4 0
3 years ago
131.39 g/mol C2HCl3<br> find the molecular formulas
Art [367]

Answer:

Find the mass of 1 mole.

mass of

1

mole of

131.39

g

m

o

l

C

2

H

C

I

⋅

3

=

37.04000067

g

Explanation:

hope it helps make brainlliest ty

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