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igomit [66]
2 years ago
12

If a neutral compound is composed of carbon and hydrogen and you know that it has exactly 2 carbons connected by a double bond,

how many hydrogens will the compound have?
Chemistry
2 answers:
USPshnik [31]2 years ago
7 0

Answer: 4 hydrogens

Explanation:

Oksanka [162]2 years ago
4 0

Answer: 4 hydrogens

Explanation:

This is what the structure will look like C=C. Remember that it's important that all structures have a complete octet. As it looks right now each carbon is sharing 4 valence electrons so each needs 2 more bonds to hydrogen complete its octet.

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A lithium atom that has lost an electron comes near a chlorine atom that has gained an electron. What happens?
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C. They form an ionic compound LiCl
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Read 2 more answers
At 47c a gas has a pressure of 140kpa. The gas is cooled until the pressure decreases to 105kpa. If the volume remains constant,
IgorC [24]

Answer:

The final temperature is equal to 240 K or -33.15°C

Explanation:

Given that,

Initial temperature of the gas, T₁ = 47°C = 320 K

Initial pressure, P₁ = 140 kpa

Final pressure, P₂ = 105 kpa

We need to find the final temperature if the volume remains constant.  The relation between temperature and pressure is given by :

P\propto T

or

\dfrac{P_1}{P_2}=\dfrac{T_1}{T_2}\\\\T_2=\dfrac{P_2T_1}{P_1}\\\\T_2=\dfrac{105\times 320}{140}\\\\T_2=240\ K\\\\T_2=-33.15^{\circ} C

So, the final temperature is equal to 240 K or -33.15°C.

7 0
3 years ago
Which has the strongest intermolecular bonds? liquid gas solid water
Delicious77 [7]
It would be solid
hope this helps
3 0
3 years ago
What's the charge on Ni in the compound NiCi3? *
ss7ja [257]

Answer:

+3

Explanation:

Chlorine is anion with a -1 charge. But they are three chlorine atoms.

-1 * 3 = -3

So they have a -3 charge.

So to balance the compound, the nickel has to be a cation with a +3 charge.

-3 + 3 = 0

Furthermore, a chemical bond always has a 0 charge. Remember that.

Hope it helped! Rate my answer a 5 star if correct.

8 0
2 years ago
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