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grin007 [14]
3 years ago
10

Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SeCl2.

Chemistry
1 answer:
Sindrei [870]3 years ago
6 0

A Lewis structure is a model that uses electron-dot structures to show how electrons are arranged in molecules.

total valance electron of SeCl2 = 20

valance electon of Se= 6

valance electron of two Cl= 14

in figure shows that two bond pairs, two bond present between  Se and Cl

Non bonded electron is 16

and bond pair of electron is 4

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Silicon is the second most abundant element in the Earth´s crust and makes up around 27% of it.

3 0
3 years ago
Water enters a 4.00-m3 tank at a rate of 6.33 kg/s and is withdrawn at a rate of 3.25 kg/s. The tank is initially half full.
olga55 [171]

Answer:

At the start of the process, the volume not occupied by the water is 2 m3

Explanation:

At the start of the process you have a half full tank. It means that also a half is empty (not occupied by water).

Since the volume is 4 m3, 2 m3 are full (occupied by water) and 2 m3 (not occupied by water).

The volume in time will be

V(t)=V_0+(f_i-f_o)*t\\\\V(t) = 2 +(6.33/1000-3.25/1000)*t=2+0.00308*t \, \, [m3]

8 0
3 years ago
6.
RUDIKE [14]

Answer:

THE CURRENT REQUIRED TO PRODUCE 193000 C OF ELECTRICITY IS 35.74 A.

Explanation:

Equation:

Al3+ + 3e- -------> Al

3 F of electricity is required to produce 1 mole of Al

3 F of electricity = 27 g of Al

If 18 g of aluminium was used, the quantity of electricity to be used up will be:

27 g of AL = 3 * 96500 C

18 G of Al = x C

x C = ( 3 * 96500 * 18 / 27)

x C = 193 000 C

For 18 g of Al to be produced, 193000 C of electricity is required.

To calculate the current required to produce 193 000 C quantity of electricity, we use:

Q = I t

Quantity of electricity = Current * time

193 00 = I * 1.50 * 60 * 60 seconds

I = 193 000 / 1.50 * 60 *60

I = 193 000 / 5400

I = 35.74 A

The cuurent required to produce 193,000 C of electricity by 18 g of aluminium is 35.74 A

3 0
3 years ago
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irga5000 [103]

Answer:

B. Conclusions are based on observations

Explanation:

7 0
3 years ago
What is the maximum number of electrons in the following energy level? n = 2
Citrus2011 [14]
The answer is 18 electrons
6 0
3 years ago
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