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sashaice [31]
4 years ago
5

Which of the following compounds contains a double bond? A - NH3 B - CO2 C - N2 D - CI2

Chemistry
1 answer:
notka56 [123]4 years ago
6 0

Answer:- B) CO_2

Explanations:- In ammonia, N is the central atom and three H atoms are bonded to it via single bonds.

In carbon dioxide, the central atom is C and two O atoms are bonded to it via double bonds. The reason is, carbon has four valence electrons and oxygen has 6 valence electrons. To complete the octet, each oxygen makes a double bond with carbon. It looks as O=C=O .

Nitrogen has 5 valence electrons and to complete its octet, it needs 3 more electrons so both N atoms are bonded to each other via a triple bond.

Cl has 7 valence electrons and needs one more to complete its octet. So, there is a single bond between two Cl atoms.

Hence the right choice is B) CO_2 .

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Noble gases are all elements in column 18. aka far right
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4 years ago
For the following question, select the correct chemical formula for the elements if they were to bong together.
9966 [12]

Answer:

Ionic

Explanation:

Lithium is an alkali metal and form an ionic bond by donating an electron.

Fluorine is a halogen and forms ionic bonds by accepting an electron.

The electronegativity difference between lithium (0.98) and fluorine (3.98) is 3 Pauling units. Usually, when elements have a difference of 1.7 (or 2.0) Pauling units the bond is classified as ionic.

Hope this helps! If you have any more questions or need more explanation please leave a comment down below and I will reply ASAP. Good luck!

5 0
3 years ago
Read 2 more answers
Please help! Thanks
trapecia [35]

Th actual yield of the reaction is 24.86 g

We'll begin by calculating the theoretical yield of the reaction.

2Na + Cl₂ → 2NaCl

Molar mass of Na = 23 g/mol

Mass of Na from the balanced equation = 2 × 23 = 46 g

Molar mass of NaCl = 23 + 35.5 = 58.5 g/mol

Mass of NaCl from the balanced = 2 × 58.5 = 117 g

From the balanced equation above,

46 g of Na reacted to produce 117 g of NaCl.

Therefore,

11.5 g of Na will react to produce = (11.5 × 117) / 46 = 29.25 g of NaCl.

Thus, the theoretical yield of NaCl is 29.25 g.

Finally, we shall determine the actual yield of NaCl.

  • Percentage yield = 85%
  • Theoretical yield = 29.25 g
  • Actual yield =?

Actual yield = Percent yield × Theoretical yield

Actual yield = 85% × 29.25

Actual yield = 0.85 × 29.25 g

Actual yield = 24.86 g

Learn more about stoichiometry: brainly.com/question/25899385

7 0
3 years ago
What is the mole fraction of NaOH in
insens350 [35]

Answer:

The more fraction NaoH is 39.998g/mol

8 0
3 years ago
Read 2 more answers
Please help me out!! 10 points <3
harkovskaia [24]

Answer:it’s b

Explanation:I took. The test and got 100

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3 years ago
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