When limestone is decomposed at high temperature and the residue is treated with water, the compound that is formed is
1 answer:
The compound that is formed is calcium hydroxide.
<h3>Preparation of calcium hydroxide</h3>When limestone is decomposed at a high temperature, calcium oxide is formed as the residue.
When the calcium oxide residue is treated with water, a calcium hydroxide solution is formed.
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Answer:
See explanation below
Explanation:
You are missing the structure, therefore, I will do an example with one that I found on another place to try to explain.
This acid mechanism always involves carbocations, and positive charges, never negative because we are in acidic mediums.
In the first step, the lone pairs of the oxigen from the epoxide, substract one hydrogen of the reactant.
Second step, the lone pairs of the oxygen from the reactant, do a nucleophylic attack to the carbon of the epoxide. In this case, it will do it to the most substitued carbon.
Then, in the third step by acid base equilibrium, the hydrogen from the reactant that attacked, is substracted from the molecule by a molecule of water (We are in acid medium, therefore, there is traces of water) and the final structure is formed.
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Answer: 1.311 × 10^18 photons are produced in each pulse
Explanation: Please see the attachments below
Answer: The correct option is
Explanation:
Atomic mass of calcium ,Ca = 40.07 g/mol
Atomic mass of chlorine ,Cl = 35.5 g/mol
Molar mass of :
= (Atomic mass of Ca+2 × (Atomic mass of Cl))
= (40.07 g/mol + (2 × 35.5))=111.07 g/mol
Hence, the correct option is