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Gnom [1K]
4 years ago
6

Consider the connotation of the underlined word in each sentence, and then match each sentence to the best

Chemistry
1 answer:
Ivan4 years ago
7 0

Answer: This image is the answer to this question.

Explanation:

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How many moles of water can be formed from 23.9 mol of oxygen gas?
ehidna [41]

Answer:

47.8 moles of H₂O.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

2H₂ + O₂ —> 2H₂O

From the balanced equation above,

1 mole of O₂ reacted to produce 2 moles of H₂O

Finally, we shall determine the number of mole of water, H₂O, produced by the reaction of 23.9 moles of O₂. This can be obtained as follow:

From the balanced equation above,

1 mole of O₂ reacted to produce 2 moles of H₂O.

Therefore, 23.9 moles of O₂ will react to produce = 23.9 × 2 = 47.8 moles of H₂O.

Thus, 47.8 moles of H₂O were obtained from the reaction.

3 0
3 years ago
Water-rich solutions carrying metallic salts fill cracks and form
OlgaM077 [116]
Water-rich solutions carrying metallic salts fill cracks and form <u>veins</u>.
8 0
3 years ago
I need to know the measurements of this to the appropriate amount of significant figures
Alexandra [31]

Answer:

[See Below]

Explanation:

48 or 49 ml.

7 0
3 years ago
What is the electron configuration for a neutral atom of selenium? For a neutral atom of beryllium?
Anni [7]
Se
1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^4
<span><span><span>Be
1s^2 2s^2

</span></span></span>
7 0
4 years ago
Give the name of the products formed
attashe74 [19]

Answer:

With Br2 - Bromobenzene

With Cl2 - Chlorobenzene

With HNO3- Nitrobenzene

With H2SO4 - Benzenesulphonic acid

With HCOCl - Benzoyl chloride

With 1-chloro-2,2-dimethylpropane - 2,2dimethyl-1-phenyl propane

Explanation:

The common thread joining all these reactions is that they are all electrophillic reactions. They are so called because the attacking agents in each reagent is an electrophile. Electrophiles are species that have electron deficient centers and are known to attack molecules that are high in electron density at regions of high electron density.

The benzene molecule has rich electron density. Any substituents that donates electrons to the ring improves the likelihood that benzene will undergo electrophillic substitution reactions while electron withdrawing substituents decrease the likelihood that benzene will undergo electrophillic substitution reactions.

The names of the compounds formed when benzene undergoes electrophillic reaction with the attacking agents listed in the question are displayed in the answer section.

7 0
3 years ago
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