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ruslelena [56]
3 years ago
8

Only laboratories BSL-3 and higher require fire extinguishers, emergency showers and eye wash stations.

Biology
1 answer:
garik1379 [7]3 years ago
8 0

Answer:

false

Explanation:

Fire extinguishers, emergency showers and eye wash stations are basic safety elements that must be present in all laboratories, regardless of their classification. This is because these are essential elements for common accidents in laboratories and can be easily solved with their presence.

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Why is water capable of forming a hydrogen bond
trapecia [35]

Answer:

Because the water molecules are small, many of them can surround one molecule of the solute and form hydrogen bonds.

Explanation: Because of the attraction, the water molecules can pull the solute molecules apart so that the solute dissolves in the water.

7 0
3 years ago
based on the data for the groups of cells cultured with 0.1 serum (groups 3 to 7), identify which of the four proteins tested do
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Answer:

p18, p21 and p27

Explanation:

Four proteins have been obstructed in this investigation and the concentration of DNA synthesis was evaluated in various cell cultures and seeing which proteins could play a significant role in the cell cycle.

4 0
3 years ago
Which of the following experiments would help him collect the best data
AnnyKZ [126]
You must've forgotten to put in the options for us to select from
3 0
3 years ago
What is a group of protons and neutrons in the center of all atoms?
34kurt
It is called a nucleus. It's what determines what type of metal, gas, or whatever on the table.
7 0
3 years ago
Part C
IrinaVladis [17]

Answer:

                     (i) 1 moles of C

                     (ii) 4.5 moles of C

Explanation:

                   The Chemical equation is as follow,

                                             A + 2 B  →  C

This chemical equation can be translated as;

(i) 1 mole of A reacts with 2 moles of B

(ii) 1 mole of A produces 1 mole of C

(iii) 2 moles of B reacts with 1 mole of A

(iv) 2 moles of B produces 1 mole of C

(v) 1 mole of C is produced by 1 mole of A and 2 moles of B

Therefore to find the number of moles of C produced by 2 mole of B we will do following proportional method.

As,

                        2 moles of B produced  =  1 mole of C

So,

                    2 moles of B will produce  =  X moles of C

Solving for X,

                      X =  2 moles × 1 mole / 2 moles

                      X =  1 moles of C

Note:

         In above problem the given moles were the same as that present in balance equation so incase if the moles are different from that of the equation then the method shown above can be used to solve it.

Lets try it for 9 moles of B:

As,

                        2 moles of B produced  =  1 mole of C

So,

                    9 moles of B will produce  =  X moles of C

Solving for X,

                      X =  9 moles × 1 mole / 2 moles

                      X =  4.5 moles of C

5 0
3 years ago
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