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PilotLPTM [1.2K]
4 years ago
14

What rules must be obeyed to safely conduct an experiment

Chemistry
1 answer:
sukhopar [10]4 years ago
7 0

Answer:

In order to safely conduct an experiment, laboratory safety rules must be obeyed.

Explanation:

In order to safely conduct an experiment, laboratory safety rules must be obeyed. The laboratory safety rules are outlined to ensure that the experiment is safe, the safety of people and the environment. The laboratory safety rules are, but not limited to:

1. Dress appropriately for the experiment.

2. Use the necessary personal protective equipment such as gloves and goggles.

3. Do not touch chemicals with bare hands or taste chemicals.

4. Know the specific locations of the fire extinguishers and other safety equipment.

5. Avoid eating and drinking in the laboratory.

6. Dispose laboratory wastes in their appropriate waste bins.

There are other safety rules which depend mostly on the types of experiment, chemicals/materials, and operating conditions for the experiment.

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This is for a study guide for my semester final, and I have no clue how to answer this, please help, and please at least try to
user100 [1]

Positron emission = emission of a positron and a neutrino when a proton is convert into a neutron. The total number of particles in the nucleus doesn't change, -1 proton +1 neutron

It's a spontaneous reaction for some nucleus.

eg:

Positron = e+

Neutrino=ve

O-15 --> N-15 + e+ +ve

Electron capture= A nucleus absorb an electron while a proton is convert in a neutron and emit a neutrino. The total number of particles in the nucleus doesn't change, -1 proton +1 neutron

eg:

Al-26 +e- --> Mg-26 + ve

Electron capture and positron emission are two mechanisms to explain the decay of some unstable isotopes. Electron capture is usually observed when the energy difference between the initial and final state is low. Mainly because of the larger amount of kinetic energy need for the expulsion two particles with the positron emission mechanism.


7 0
3 years ago
What are the products formed when a base reacts with an acid?
brilliants [131]
It would become a salt 
5 0
4 years ago
Can someone answer this real quick please!
sleet_krkn [62]

Answer:

Copper Wire

Explanation:

Copper is a pure substance but they used it to make a man-made material. Therefore, it's not pure anymore.

6 0
4 years ago
Read 2 more answers
Now if your lab partner determined that there were 1.552 x 1022 atoms of H in an unknown sample of C2H4Cl2, how many milligrams
STALIN [3.7K]
To determine the mass of the sample in milligrams in this problem, we use the avogadro's number to convert from atoms to moles, relate the moles of element in the sample to the mole present and the molar mass of the sample. We do as follows:

1.552 x 10^22 atoms H ( 1 mol H / 6.022x10^23 atoms H ) ( 1 mol C2H4Cl2 / 4 mol H ) ( 98.96 g C2H4Cl2 / 1 mol C2H4Cl2 ) = 0.625 g C2H4Cl2 = 625 mg <span>C2H4Cl2</span>
3 0
4 years ago
10. In what part of the world might you find Mystery Island (note: you will be given full-credit for simply attempting this ques
OLga [1]
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4 0
3 years ago
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