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____ [38]
3 years ago
9

Which property of potential energy distinguishes it from kinetic energy?

Chemistry
1 answer:
vazorg [7]3 years ago
3 0

Answer: <u><em>Shape and position</em></u>

Explanation:

<u><em>I just took the test and I got it correct</em></u>

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Soil that are light in color have a great amount of humus in<br> them. True or False
GaryK [48]

Answer:

please the answer Is false

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2 years ago
If you need to extract a 50 ml aqueous solution with 50 ml of dichloromethane, what is the minimum size of a separatory funnel y
tatuchka [14]

The dichloromethane (DCM) has less density than water and also the polarity of water is much more than DCM. So the mixture of water and dichloromethane will always be a heterogeneous mixture. In the mixture dichloromethane will be always up of the water layer. The volume of the separatory funnel which contains the mixture of DCM and water must have to be more than the total volume of the liquids thus the volume of the funnel will be more than (50+50) = 100mL.

The caution have to consider during the separation are-

1. The separatory funnel have to shake well with lid and have to settle down for some times until the two liquid separated.

2. The lid should be open very slowly as the vapor pressure of DCM is more and it will float on the water.

3. After this the stopcock should be opened and slowly the water will come out first followed by DCM.      

7 0
3 years ago
Many fundamental concepts are at the heart of chemistry. Match the description to the name.
Lisa [10]

Answer:

you dony have a picture for me to match them

Explanation:

4 0
2 years ago
An aqueous solution of sodium
DochEvi [55]

Answer:

2.5×10^-7mol/dm^3

Explanation:

Firstly convert the cm^3 to dm^3

200×1000=200000dm^3

Calculate the g/dm^3

2/200000=0.00001g/dm^3

To calculate mol/dm^3

Mol/dm^3=mass given\molar mass

=0.00001/40

=2.5×10^-7mol/dm^3

8 0
3 years ago
Read 2 more answers
I’m screwed omg i totally forgot I have school today and forgot to do this someone help me rq I’ll brainlist plslsls be awake ju
zlopas [31]

Answer:

Zn + O2 = ZnO

Mg + O2 = MgO

Cu + O2 = CuO

Al + O2 = Al2O3

Explanation:

7 0
2 years ago
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