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You may do an unassigned experiment, only:

If you have designed it carefully yourself.

None of the other options.

If you are sure, it is safe.

If you are finished early in lab.

If you have found it on the internet.

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When in the laboratory, I need to keep my bag:

I am not allowed to bring a bag

On the desk with me but make sure not the get chemicals on it

Outside the lab where there is nobody

Underneath the bench so nobody can trip over the bag

In the corridor between the benched

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Why is it important to review laboratory safety protocols before starting work?

Because I have questions in the pre-lab and lab report about safety so knowing it will help me.

To avoid needing to use safety equipment.

To impress other students.

To understand potential hazards and safety practices.

To finish early.

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If you are pregnant or have a medical condition:

Bring comfortable shoes to wear.

Do not hesitate to work in the lab since it is well sterilized.

Check with your instructor prior to working in lab.

None of the other options.

Wear loose clothes so you can move freely.

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All chemicals are considered dangerous but a

Hazard symbol of this kind indicates that you should store the chemical

separately in case of fire.

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Why is it essential to inform someone of your whereabouts when working in a laboratory?

To avoid keeping secrets.

To avoid unnecessary delays.

To ensure that if something happens, that people know you were in the lab.

To ensure safety and accountability.

To make new friends.

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Chemicals are not allowed to be thrown down the

drain but a chemical with this Hazard sign it is strictly forbidden because it

is dangerous to the environment.

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Of all the chemicals I can work with, the one with the following

Hazard sign is the safest:

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How should you handle personal items like food, drinks, and phone before entering a laboratory?

Consume them immediately.

Share them with colleagues.

You are not allowed to bring them to the laboratory.

Leave them in the corridor outside the laboratory.

Keep them inside your bag and do not take them out.

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La volanta de un automóvil se mueve en un movimiento circular de acuerdo a la siquiente ecuación Ø= 20 t - 2 t ² donde Ø es el ángulo en radianes y t es el tiempo. Hallar la velocidad angular inicial (para t=0).

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