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Ad libitum [116K]
3 years ago
9

Which lab safety rule do you think is the most important to follow in chemistry lab?

Chemistry
1 answer:
Flauer [41]3 years ago
7 0

Answer:

Practice good personal hygiene. Wash your hands after removing gloves, before leaving the laboratory, and after handling a potentially hazardous material. While working in the laboratory, wear personal protective equipment - eye protection, gloves, laboratory coat - as directed by your supervisor.

Explanation:

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How many liters of a 4.0 M CaCl2 solution would contain 2 moles of CaCl2?
nekit [7.7K]

Answer:

The answer to your question is 0.5 liters

Explanation:

Data

[CaCl₂] = 4.0 M

number of moles = 2

volume = ?

Process

To solve this problem use the formula of Molarity and solve it for volume, substitute the values and simplify.

-Formula

Molarity = moles / volume

-Solve for volume

Volume = moles / molarity

-Substitution

Volume = 2/4

-Simplification

Volume = 0.5 liters.

5 0
3 years ago
In order to change a solid to a liquid or a liquid to a gas, what is needed?
Neporo4naja [7]
Heat; rather, or change of the molecules to make them move faster
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3 years ago
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m_a_m_a [10]

Answer:they will out live us himans

Explanation:

7 0
3 years ago
What are these two processes called?
Travka [436]

Answer:

Plants consume carbon dioxide and release oxygen.

Answer: Photosynthesis

Animals consume oxygen and release carbon dioxide.

Answer: Respiration

8 0
2 years ago
How many bacteria can fit into an animal cell
melisa1 [442]
The size of most eukaryotic animal cells range from 1 - 30 micrometers while the size of, let's say coccus bacteria is between 0.5 - 1.0 micrometers. So, if the largest animal cell is filled with the largest coccus bacteria, we can say that 30 bacteria can fit inside.
5 0
3 years ago
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