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3 years ago

The (C6H14)2NH molecule represents a ----- amine.

Chemistry

2 answers:

STALIN [3.7K]3 years ago

7 0

Answer:

Secondary .

Explanation:

Primary amine contains only one alkyl group.

Secondary amine contains two alkyl groups.

Tertiary amine contains three alkyl groups.

Since (C₆H₁₄)₂NH contains 2 alkyl groups.

<em>So, it is secondary amine.</em>

Kipish [7]3 years ago

6 0

Answer:

Secondary

Explanation:

Because of this amount of hydrogens being substituted, we can classify the amines in primary (R-NH2), secondary (R1R2NH) and tertiary (R1R2R3N) amines. In the primary amines, only one of the hydrogens is replaced by an organic radical, for example, in the following CH3 - NH2 molecule, in the secondary we have the substitution of two hydrogen atoms, as in the case of CH3 - NH - CH3 and in the tertiary all are replaced.

In the molecule (C6H14) 2NH, the bold part shows the substitution of two hydrogen, so we can classify the molecule as a secondary amine.

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Gravitational attraction exists between all objects in the universe. Which word, if any, should replace "all" in this statement

o-na [289]

Answer:

any two

Explanation:

Gravitation force or gravitational attraction is a force of pulling or attraction that exist between any two bodies that have a mass. Each and every body attract each other with the force of gravity due to their masses.

Every object in this universe having mass and distance attracts every other object.

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3 years ago

Describe the electron distribution in a polar-covalent bond and it's effect on the partial charges of the compound?

Artemon [7]

Answer:

In polar Covalent bonds, the electrons which are in bonded shifts towards an atom which has more valance electrons.

<u>Explanation:</u>

We know if an atom takes the electron it acquires a negative charge whereas if it gives an electron it acquires a positive charge in the ionic bond. But here we are talking about covalent bonds. Covalent bonds are those in which atoms share the electron instead of completely giving off the electron. If the atoms are identical in case of covalent bond that is 2 hydrogen atoms then this type of bonding is called pure covalent bonds but if the atoms linked in covalent bonds are different then it is called polar covalent bonds.

In this, the bonding electrons will shift towards an atom which has more valence electron thereby acquiring the partial negative charges and the other atom will acquire a partial positive charge. For example, HCl. In this the Chlorine atom is having more valence electron than hydrogen atom, and hence Chlorine atom has a partial negative charge and Hydrogen atom has a partial positive charge.

5 0

3 years ago

Consider the electrolysis of molten barium chloride, BaCl2. (a) Write the half-reactions. (b) How many grams of barium metal can

Zielflug [23.3K]

Answer: a) Cathode(-): $Ba^+^2+2e^-\rightarrow Ba$

Anode(+): $2Cl^-\rightarrow Cl_2+2e^-$

b) 0.640 grams of Ba will be deposited.

Explanation: a) The problem is based on Faraday law of electrolysis. Molten barium chloride has $Ba^+^2$ ion and $Cl^-$ ion. Barium ion is reduced and chloride is oxidized. Reduction takes place at cathode and oxidation at anode. So, the half reactions will be:

Cathode(-): $Ba^+^2+2e^-\rightarrow Ba$

Anode(+): $2Cl^-\rightarrow Cl_2+2e^-$

b) The question asks, how many grams of barium metal can be produced by supplying 0.50 ampere for 30 minutes.

From the Cathode half-reaction, 1 mole of Ba is deposited by 2 moles of electrons and we know that 1 mole of electron carries one Faraday that is 96485 Coulomb.

Coulombs for 2 moles of electrons will be = 2*96485 C = 192970 C

So, we can say that, 192970 C will deposit 1 mole of Ba metal.

Total available coulombs can be calculated using the formula:

q=i*t

where, q is electric charge in coulomb, i is current in ampere and t is time in seconds.

$q=q=0.50A*30min(\frac{60sec}{1min})$

q = 900 C (note: 1 C = 1 A*sec)

Let's calculate how many moles of Ba will get deposited by 900 C.

$900C(\frac{1molBa}{192970C})$

= 0.00466 mole Ba

Convert the moles of Ba to grams and for this we multiply by molar mass of Ba which is 137.33 gram per mol.

$0.00466molBa(\frac{137.33g}{1mol})$

= 0.640 g Ba

So, 0.50 A for 30 minutes will deposit 0.640 grams of Ba metal.

6 0

3 years ago

How do decomposers get energy?

hjlf

I think the aswer is D

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4 years ago

Explain why the atomic radius decreases across a period and increases down a group ?

andreyandreev [35.5K]

Answer:

In general, atomic radius decreases across a period and increases down a group. ... Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital. This results in a larger atomic radius.

4 0

3 years ago