C₈H₁₈ is a non-electrolyte
Why?
Electrolytes are substances that dissociate into ions when dissolved in water. In order to do that, they need to have bonds that are polar enough to be able to dissociate, and the ions formed need to be soluble in water.
C₈H₁₈ is a compound that has a low electronegativity difference between its atoms, making it to be a covalent compound where electrons are shared, and making it non-polar, and difficult to dissociate. Thus, it is a non-electrolyte.
One possible structure for C₈H₁₈ is attached below. It's called octane.
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The pH is the measure of hydrogen ion concentration in a solution. The hydrogen ion concentration at pH 1.25 is .
<h3>How to calculate hydrogen concentration?</h3>
The pH is the negative logarithmic value of the hydrogen ion concentration in the sample.
The pH can be expressed as:
The hydrogen ion concentration can be given as:
The given pH is 1.25 The hydrogen ion concentration is given as:
The hydrogen ion concentration in the solution is .
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D! the molecules of the warmer water would have a higher average kinetic energy :)
Answer: 2. Density
3. Physical Property
4. Chemical Change
5. states of matter
Explanation: Density is referred as mass per unit volume. Physical properties are observable characteristics of an object. An new formation of a substance in a chemical reaction is a chemical change. And solids, liquids, and gases are states of matter.