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harkovskaia [24]
3 years ago
12

Help me answer Number 8 please

Chemistry
1 answer:
aleksandrvk [35]3 years ago
3 0

I and III  because when wearer boil the kinetic energy atoms move faster and the particles break apart which means the space increases instead of decreasing

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Pierce conducts an experiment in which waves collide in a way that the energy increases, which means that has occurred
Vikki [24]
<h2>Answer:</h2>

It means the waves collides and constructive interference occurred.

<h3>Explanation:</h3>

If the two waves coming from the opposite direction collide with each other, there are two way of their interference.

  • Constructive interference: An interference which results in the increase in energy. And it is when crust of a wave comes on the crust of second wave.
  • Destructive interference: An interference which results in decrease in energy of the resulting wave and colliding waves cancel the result of each other.

Hence in experiment there will be constructive interference.

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Which of the following best defines balanced forces?
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Balanced forces are forces that act in opposite directions and cancel each other out

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II) Objects made of silver become tarnished.

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Chemical properties are the properties which describe how the substance changes into the different substance completely.

Boiling is an example of physical change in state of the substance. Color is also an example of physical property like boiling point and hence these are constants. The reason of the color is that the chromium ions shows certain colors as the electrons are excited due to absorption of the light. The tarnishing of the silver is an example of the chemical change which occurs due to the reaction of the silver with oxygen. This is also known as corrosion.

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List the factor on which Ka of a weak acid depends​
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