Answer:
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Auto-ionization of water is an ionization reaction in pure water or in another aqueous solution, in which a water molecule, H2O, loses the nucleus of one of its hydrogen atoms to become a hydroxide ion, OH−.
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14 Molar is its molarity.
Answer: Motion, providing a burst of power that can move a specific part of the device.
Explanation: Hope this helps
A barometer is a tool, not a variable. A barometer measures barometric or air pressure, which is a variable that meteorologists use to predict the weather.