Explanation:
Chemical formula of hexanoic acid is . According to Bronsted-Lowry, acid upon dissociation gives conjugate base and base upon dissociation gives conjugate acid.
Hexanoic acid will dissociates as follows.
Therefore, we can conclude that conjugate acid of hexanoic acid is
Answer A
Chlorine is usually prepared by electrolysis of molten NaCl or by electrolysis of brine.
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<h2>Answer;</h2>
Light is produced and heat is produced
<h2>Explanations</h2>
Chemical changes occurs when substances react to form new products. This reaction can be in form of a decomposition reaction.
During fireworks explosion, there is a reaction between charge of gunpowder which is been ignited with a fuse to produce a spark that leads to explosion.
The explosion leads to production of light and heat. Hence we can conclude that some signs that a chemical change takes place when a firework explodes is light is produced and heat is produced
Answer:
Average atomic mass = 63.62 amu.
Explanation:
Abundance of Co⁶³ = 69.2%
Abundance of Co⁶⁵ = 30.8%
Atomic mass of Co⁶³ = 63 amu
Atomic mass of Co⁶⁵ = 65 amu
Average atomic mass = ?
Solution:
Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100
Average atomic mass = (63×69.2)+(65×30.8) /100
Average atomic mass = 4359.6 + 2002 / 100
Average atomic mass = 6361.6 / 100
Average atomic mass = 63.62 amu.
Answer:
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Explanation: