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Marysya12 [62]
2 years ago
5

Which functional group does the molecule below have?

Chemistry
1 answer:
kap26 [50]2 years ago
8 0

Answer:

○ C. Carbony

Explanation:

hopefully can help

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Stars which never disappear below the horizon are called:______ stars.
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Stars which never disappear below the horizon are called <u>circumpolar</u> stars.

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What is the mass of 6.75 moles of CO₂?
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1 mole = 44.0095

So take that number and multiply it by 6.75.

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The lithosphere and the asthenosphere are made up of solid,liquid,or gas?ASAP
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5 0
3 years ago
The shape (or geometry) of the amide anion, NH2-, the number of lone pairs on nitrogen, and the hybridization at nitrogen are, r
PtichkaEL [24]

Answer : The correct option is, (B) bent, 2, and sp^3

Explanation :

Formula used  :

\text{Number of electron pair}=\frac{1}{2}[V+N-C+A]

where,

V = number of valence electrons present in central atom

N = number of monovalent atoms bonded to central atom

C = charge of cation

A = charge of anion

The given molecule is, NH_2^-

\text{Number of electrons}=\frac{1}{2}\times [5+2+1]=4

Number of bond pair = 2

Number of lone pair = 2

The total number of electron pair are 4 that means the hybridization will be sp^3 and the electronic geometry of the molecule will be tetrahedral.

But as there are 2 atoms around the central oxygen atom, the third and fourth position will be occupied by lone pair of electrons. The repulsion between lone and bond pair of electrons is more and hence the molecular geometry will be bent or angular.

Hence, the correct option is, (B) bent, 2, and sp^3

3 0
3 years ago
A gas has a temperature of 14 oC and volume of 4.5 liters. If the temperature is raised to 29
kirza4 [7]

Answer:

The new volume of the gas is 4.74L

Explanation:

Data;

T1 = 14°C = (14 + 273.15)K = 287.15K

V1 = 4.5L

T2 = 29°C = (29 + 273.15)K = 302.15

V2 = ?

From Charles law,

The volume of a fixed mass of gas is directly proportional to its temperature provided that pressure remains constant.

Mathematically,

V = kT

k = V1 / T1 = V2 / T2 = V3 / T3 = .............= Vn / Tn.

V1 / T1 = V2 / T2

Solving for V2

V2 = (V1 * T2) / T1

V2 = (4.5 * 302.15) / 287.15

V2 = 4.735L

V2 = 4.74L

The new volume of the gas is 4.74L

7 0
2 years ago
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