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zhuklara [117]
3 years ago
9

Electron affinity is the likelihood of an atom to accept an electron O A. True O B. False

Chemistry
1 answer:
Neporo4naja [7]3 years ago
7 0
I believe it is A true sorry if I am wrong
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Convert 3 mol of Co, to grams.
GuDViN [60]

Answer:

176.7996 grams

Explanation:

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3 years ago
Draw a mechanism for this reaction. 5-hydroxypentanoic acid forms 2-oxanone in the presence of acid. draw all missing reactants
Licemer1 [7]

Answer: -

The first step involves protonation of the carbonyl oxygen.

After protonation, the Alcohol oxygen now attacks the carbon of the carbonyl.

Thus a six membered ring is formed with 5 carbon atoms and 1 oxygen atom. The 1st position carbon atom has 2 OH groups.

One of these gets again protonated.

This leaves as water. With the loss of the H+, there results a carbonyl at 1 position.

Thus 5-hydroxypentanoic acid forms a lactone or 2-oxanone in presence of acid.

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3 years ago
Passing an electric current through a sample of water (H2O) can cause the water to decompose into hydrogen gas (H2) and oxygen g
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The balanced chemical reaction is:

<span>2H2O= 2H2 + O2
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50 g ( 1 mol O2 / 32 g O2 ) ( 2 mol H2O / 1 mol O2 ) ( 18.01 g H2O / 1 mol H2O) = 56.28 g of H2O is needed.

Therefore, the correct answer is the last option.
8 0
3 years ago
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You are given two fatlike solid substances and determine that sample a has a higher melting point than sample
Alchen [17]
Given that <span>sample a has a higher melting point than sample
b. Therefore, sample a is a longer chain of a </span><span>fatlike solid substance. It could also be that the bonds present in sample a is much stronger which will require more energy to break. Hope this answers the question.</span>
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3 years ago
When scientists first studied electromagnetic energy, many theories were proposed to explain how these waves travel through spac
Aliun [14]

Answer:

Scientists debated the theories with each other and compared the theories with scientific observations

4 0
3 years ago
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