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kramer
2 years ago
6

How many hydrogen atoms are present in a hydrocarbon chain of 8 carbon atoms with 3 double bonds and the rest single bonds

Chemistry
1 answer:
romanna [79]2 years ago
8 0

11 hydrogen atoms are present in the hydrocarbon chain having 8 carbon atoms with 3 double bonds.

<h2>Number of hydrogen atoms</h2>

There are 11 hydrogen atoms present in a hydrocarbon chain of 8 carbon atoms with 3 double bonds and the rest single bonds because 5 hydrogen atoms make a single covalent bond with carbon atom whereas the 6 hydrogen atoms make a double covalent bond with carbon atom.

<h3>Double bond</h3>

In double bond, one atom bonded with two atoms so we can conclude that 11 hydrogen atoms are present in the hydrocarbon chain having 8 carbon atoms with 3 double bonds and 5 single bond.

Learn more about hydrocarbon here: brainly.com/question/3551546

Learn more: brainly.com/question/26242359

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Provide only the major alkene product that results when n,n-dimethylhexan-2-amine undergoes cope elimination?
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The major alkene  product that results when n,n-dimethylhexan-2-amine undergoes cope elimination is hexene or hex-1-ene.

The reaction in which an amine is oxidize to an intermediate called an N-oxide which , when heated , acts as base in an intramolecular elimination reaction. The oxidation of tertiary amine into N-oxide is called cope reaction.

This elimination gives the less substituted alkene along with more substituted alkene which is Zaitsev product.

Example: Cope elimination of  n,n-dimethylhexan-2-amine form hexene.

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1 year ago
I have no idea pls help ty 11 points
Yanka [14]

Happy Holidays! :)

\large\boxed{\text{Water.}}

Looking at the information given in the description, the experiment is testing for the effects of the different salts on the growth of the plants.

This means that the type of salt is the independent variable,  or the variable being manipulated and tested.

To ensure fair results, some parts of the experiment would need to be kept the same, which is the control. The only answer choice that makes sense in this instance is A. water.

5 0
2 years ago
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Answer:

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"What is the change of entropy for 3.0 kg of water when the 3.0 kg of water is changed to ice at 0"
Artyom0805 [142]

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-3670.33 J/K

Explanation:

Entropy: This can be defined as the degree of randomness or disorderliness of a substance. The S.I unit of Entropy is J/K.

Mathematically,  change of Entropy can be expressed as,

ΔS = ΔH/T ....................................... Equation 1

Where ΔS = Change of entropy, ΔH = heat change, T = temperature.

ΔH = -(Lf×m).................................... Equation 2

Note: ΔH is negative because heat is lost.

Where Lf = latent heat of ice = 3.34×10⁵ J/kg, m = 3.0 kg, m = mass of water = 3.0 kg

Substitute into equation

ΔH = -(3.34×10⁵×3.0)

ΔH = - 1002000 J.

But T = 0 °C = (0+273) K = 273 K.

Substitute into equation 1

ΔS = -1002000/273

ΔS = -3670.33 J/K

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