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svetlana [45]
3 years ago
9

The skeletal structure in line-angle (line-bond) mode of 2,3,3,5-tetramethylhexane is shown. Identify the number of hydrogen ato

ms bound to each carbon atom in the structure.

Chemistry
1 answer:
Kruka [31]3 years ago
6 0

Answer:

There are 22 hydrogen in 2,3,3,5-tetramethylhexane (C10H22)

From the left to the right of the skeletal structure:

1st Main Carbon = 3 hydrogen

2nd Main Carbon = 1 hydrogen

1st Branch Carbon = 3 hydrogen

3rd Main Carbon = 2 hydrogen

2nd Branch Carbon = 3 hydrogen

3rd Branch Carbon = 3 hydrogen

4th Main Carbon = 0 hydrogen

4th Branch Carbon = 3 hydrogen

5th Main Carbon = 1 hydrogen

6th Main Carbon = 3 hydrogen

Total = 22 hydrogen

Explanation:

This is the skeletal formula for 2,3,3,5-tetramethylhexane - the 2D chemical structure. It is an organic compound. The carbon atoms in the structure are known as the carbon backbone. The hydrogen atoms are linked to the carbon backbone. This provides each carbon atom with four bonds.

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The given question is incomplete, the complete question is:

A reaction between liquid reactants takes place at 10.0 °c in a sealed, evacuated vessel with a measured volume of 35.0 L. Measurements show that the reaction produced 28. g of dinitrogen difluoride gas. Calculate the pressure of dinitrogen difluoride gas in the reaction vessel after the reaction. You may ignore the volume of the liquid reactants. Round your answer to 2 significant digits. pressure:atm

Answer:

The correct answer is 0.28 atm.

Explanation:

The temperature mentioned in the given reaction is 10 degree C, which after conversion becomes 283 Kelvin (273+10 = 283K).  

The volume mentioned in the reaction is 35 Liters.  

The reaction produced 28 grams of dinitrogen difluoride gas (N2F2). The n or the no of moles of the gas can be determined with the help of the formula:  

moles of N2F2 = mass/molar mass

= 28/66 (molar mass of N2F2 is 66 g/mol)

= 0.424

The pressure of the gas can be determined by using the equation of the ideal gas law, that is, PV = nRT

P * 35 = 0.424 * 0.0821 * 283

P = 0.28 atm

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3 years ago
Why are Li Na and k Placed in the same group of the periodic table?<br><br>​
Rudiy27

Answer:

Their valence electrons/properties

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2 years ago
Excited lithium ions emit radiation at a wavelength of 670.8 nm in the visible range spectrum. Calculate the frequency of a phot
zzz [600]

Answer : The frequency of a photon of radiation is, 4.47\times 10^9s^{-1}

Explanation : Given,

Wavelength of the radiation = 670.8 nm

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Conversion used : (1nm=10^{-9}m)

So, the wavelength of the radiation = 670.8 nm = 670.8\times 10^{-9}m

Now we have to calculate the frequency of a photon of radiation.

Formula used : \nu =\frac{c}{\lambda}

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