Answer: Open System
Explanation: It's an open system because the "Cup" is literally exposed to the surroundings. It will lose heat or gain heat or any other type of energy in its surroundings.
Answer:
<h3>The answer is 0.5 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula
![density = \frac{mass}{volume} \\](https://tex.z-dn.net/?f=density%20%3D%20%20%5Cfrac%7Bmass%7D%7Bvolume%7D%20%20%5C%5C%20)
From the question we have
![density = \frac{20}{40} \\](https://tex.z-dn.net/?f=density%20%3D%20%20%5Cfrac%7B20%7D%7B40%7D%20%20%5C%5C%20)
We have the final answer as
<h3>0.5 g/mL</h3>
Hope this helps you
Separation of electric charge from one molecule to another<span />
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