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UNO [17]
3 years ago
5

Which two particle diagrams represent mixture of diotic element

Chemistry
1 answer:
morpeh [17]3 years ago
3 0
A and C I hope I helped :))
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2.What is the chemical formula<br> for ammonium nitrite
jeyben [28]

Answer:

NH4NO3

Explanation:

I hope this helps you:)

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There is a container on the lab bench containing some unknown chemical. what should you do?
iragen [17]

Ask your lab manager for instructions. If you happen to be the lab manager, take out the container (making a note of where it is), find the culprit, and try to figure out what might be in the beaker so you can know how to properly dispose of it.

Proper safety measures should be followed.

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In the lab, always use the proper eye protection, such as chemical splash goggles. When handling hazardous items, put on the disposable gloves that the laboratory has given. Before leaving the lab, take the gloves off. Put on a full-length, long-sleeved lab coat (apron) or apron that can withstand chemicals.

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6 0
2 years ago
Predict the sign for AS for each of the following systems: Water freezing Water evaporating Crystalline urea dissolving Assembly
djyliett [7]

Answer:  1.  Water freezing : \Delta S is -ve.

2. Water evaporating : \Delta S is +ve.

3. Crystalline urea dissolving : \Delta S is +ve.

4. Assembly of the plasma membrane from individual lipids: \Delta S is -ve.

5.  Assembly of a protein from individual amino acids: \Delta S is -ve.

Explanation:

Entropy is defined as the measurement of degree of randomness in a system.

It is represented by symbol S and we can only measure a change in entropy which is given by \Delta S.

If there is decrease in randomness , the sign for \Delta S is -ve and If there is increase in randomness , the sign for \Delta S is +ve.

1.  Water freezing: Entropy decreases as we move from liquid state to  to solid state and thus \Delta S is -ve.

2. Water evaporating : Entropy increases as we move from liquid state to  gaseous state and thus \Delta S is +ve.

3. Crystalline urea dissolving : The molecules convert from solid and ordered state to aqueous phase and random state. Thus the entropy increases and thus \Delta S is +ve.

4. Assembly of the plasma membrane from individual lipids:  random lipids are associating to form a single large polymer and thus entropy decreases and thus \Delta S is -ve.

5. Assembly of a protein from individual amino acids: random amino acids are associating to form a single large polymer and thus entropy decreases and thus \Delta S is -ve.

5 0
3 years ago
Give 3 examples of conduction, radiation, and convection.
cupoosta [38]

Answer:Conduction: Touching a stove and being burned. Ice cooling down your hand

Convection: Hot air rising, cooling, and falling (convection currents)

Radiation: Heat from the sun warming your face

Explanation:

3 0
2 years ago
Read 2 more answers
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