When it reaches the boiling point. When a substance reaches their boiling point, they change from liquid state to vapor state. Alcohol has a boiling point of around 78°C, so when you heat liquid alcohol to that temperature, it'll change to vapor.
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The SI system : The international system of units.
It is a scientific method of expressing the magnitudes or quantities of important natural phenomena.
<u>Benefits</u><u> </u><u>of </u><u>SI </u><u>system</u>
- It is a coherent system of units ( a system based on certain sets of fundamental units )
- It is a rational system of units ( it assigns only one unit to a particular physical quantity )
Answer:
Potential energy is the energy stored within an object, due to the object's position, arrangement or state. Potential energy is one of the two main forms of energy, along with kinetic energy.
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Answer:
There are no units with electro negativity. Linus Pauling designed a scale of electro negativity that ranks elements with respect to each other. So, for example, fluorine is a 4.0 in comparison to 0.7 for francium.
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