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Each mole of bromine atoms must accept one mole of electrons to form one mole of bromide ions (Br-). Bromine gas is diatomic, which means that each mole of bromine gas contains two moles of bromine atoms. Therefore, in order to reduce one mole of bromine gas to form bromide ions, two moles of electrons must be added.
The energy required or released in this process is known as the electron affinity.
B) Sodium hydroxide
Explanation:
Sodium hydroxide is an example of a very strong base.
A strong base is one that ionizes completely in aqueous solutions. They do not set up reversible reactions.
- A base is a substance that interacts with water to yield excess hydroxide ions in aqueous solutions.
- Hydrochloric acid as stated is an acid.
- Acetic acid is also an acid
- Sodium bicarbonate, commonly called baking powder is a weak base that ionizes partially in solutions.
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Answer:
The cause of the color "white" in wine is because the grape's skin is removed before fermentation.
The cause of the color "red" in wine is because the grape's skin is still intact while fermentation