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BabaBlast [244]
3 years ago
7

Janice is given a mixture of alcohol and water the teacher tells her that she can use temperature to separate these compounds wh

at property is being demonstrated by this experiment
Physics
1 answer:
Pavlova-9 [17]3 years ago
4 0

Boiling point difference between the constituent liquids.

Explanation:

The boiling point is a physical property of matter especially liquids. It is exploited in distillation processes to separate liquids having different temperatures at which they boil.

  • Simple distillation is used to separate a liquid - liquid mixture in which the components have an appreciable boiling point differences.
  • The method is used for purification of liquids.
  • Most alcohol boils at 78°C whereas water boils at 100°C
  • In a distillation flask, the alcohol will rise first and collected over the Liebig condenser.
  • The water will remain in the flask and collected.

Learn more:

Boiling point in alkanes brainly.com/question/4446950

#learnwithBrainly

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A body falls from the top of the tower and during the last second of its fall it fall through 23mvfind height of tower.
DanielleElmas [232]

Answer:

39.7 m

Explanation:

First, we conside only the last second of fall of the body. We can apply the following suvat equation:

s=ut+\frac{1}{2}at^2

where, taking downward as positive direction:

s = 23 m is the displacement of the body

t = 1 s is the time interval considered

a=g=9.8 m/s^2 is the acceleration

u is the velocity of the body at the beginning of that second

Solving for u, we find:

ut=s-\frac{1}{2}at^2\\u=\frac{s}{t}-\frac{1}{2}at=\frac{23}{1}-\frac{1}{2}(9.8)(1)=18.1 m/s

Now we can call this velocity that we found v,

v = 18 m/s

And we can now consider the first part of the fall, where we can apply the following suvat equation:

v^2-u^2 = 2as'

where

v = 18 m/s

u = 0 (the body falls from rest)

s' is the displacement of the body before the last second

Solving for s',

s'=\frac{v^2-u^2}{2a}=\frac{18.1^2-0}{2(9.8)}=16.7 m

Therefore, the total heigth of the building is the sum of s and s':

h = s + s' = 23 m + 16.7 m = 39.7 m

7 0
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Sue and jenny kick a soccer ball at exactly the same time. sue's foot exerts a force of 57.6 n to the north. jenny's foot exerts
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It is 17.58 my friennnd
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Which feature or process is unique to nuclear power plants when compared to conventional coal-burning power plants?
Mazyrski [523]

Answer:

Control rods

Explanation:

Control rods is unique to nuclear power plants as they are mainly used in nuclear reactors to stabilize the rate of fission of plutonium or uranium. They are usually composed of chemical elements such as cadmium, silver, boron, and indium.

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3 years ago
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When you have a pot of water on the stove, heat is transferred to the water. Describe the behavior of the water molecules and ho
NikAS [45]
<span>Temperature causes water molecules to move more quickly, because each individual molecule has more energy as it gets hotter (according to Kinetic molecular theory). If you get water hot enough, the molecules move so much that the hydrogen bonds that hold them together start to break and the water becomes a gas ... water vapor. This your answer unless there are choices.</span>
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3 years ago
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What is meant by the term law of conservation?​
GalinKa [24]

Answer:

Explanation:

any law stating that some quantity or property remains constant during and after an interaction or process, as conservation of charge or conservation of linear momentum.

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