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nadya68 [22]
3 years ago
15

Which of the following is an incorrect statement?

Chemistry
1 answer:
raketka [301]3 years ago
6 0
Sound is a form of energy is incorrect

Sound is caused by the movement or vibration of matter

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You were tasked to check if the liquid sample you have is substance or a mixture.which among these tests is the BEST way to do s
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D. 1 and 3 only because you never taste, and a liquid cannot melt
7 0
3 years ago
Please help!-- 20 pts!
lubasha [3.4K]

Answer: The positively charged ions will be attracted to the negative electrode and gain electrons. Meanwhile, the negatively charged ions will be attracted to the positive electrode and release electrons.

Explanation:

Electrolysis is breaking down of a substance into its constituents by the action of electrical current.  

LiCl\rightarrow Li^++Cl^-

Cations wich are positively charged specie moves towards the negatively charged electrode that is towards the cathode. On reaching cathode, cations accepts electrons and get reduced through reduction reaction.

Li^++e^-\rightarrow Li

Anions wich are negatively charged specie moves towards the positively charged electrode that is towards the anode. On reaching anode, anions donate electrons and get oxidized through oxidation reaction.

Cl^-\rightarrow Cl+e^-

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3 years ago
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The major use of carbon dioxide​
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3 0
3 years ago
Be sure to answer all parts. find the most acidic hydrogen in tert−butyl methyl ketone and write a chemical equation for the pro
sleet_krkn [62]
Those Hydrogen atoms which are present at alpha position to carbonyl group are mildly acidic in nature. When such acidic proton containing carbonyl compounds are treated with strong base, they yield enolates. The negative charge created on alpha carbon resonates and shifts to carbonyl oxygen resulting in formation of carbon double bond carbon.

In <span>tert−butyl methyl ketone there are two carbons at each alpha position. Among these two carbons only methyl carbon contains hydrogen atoms while the second one is bonded to further three carbons making it Quaternary carbon. The base abstracts proton from methyl group and enolate is formed. 

</span>tert−butyl methyl ketone in this case acts as acid, Hydroxyl ion acts as base, while the enolate generated is the conjugate base of <span>tert−butyl methyl ketone and Water produced is the conjugate acid of hydroxide ion.</span>

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F,A

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