Kamir and Alexis are studying the properties of water. They conducted a variety of experiments to determine its physical and che
2 answers:
Answer: D) Neutral water react s with carbon dioxide to form an acid solution.
Explanation: A physical property is defined as the property in which a change in shape, size takes place. No new substance gets formed while measuring physical properties.
Example: A) Salt dissolves in water.
B) Oil and water do not mix.
C) Pencil shavings float on water and do not dissolve.
A chemical property is defined as the property in which a change in chemical composition takes place. A new substance is formed while measuring chemical properties.
Example: D) Neutral water react s with carbon dioxide to form an acid solution.
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<h2>Answer:</h2>
In circuits, the average power is defined as the average of the instantaneous power over one period. The instantaneous power can be found as:
So the average power is:
But:
So:
In terms of RMS values: