Neon has 8 electrons in it's outer shell. Does it need to bond? Why or why not?

1 answer:

3 0

No.!!
As it has full filled valence electrons, they can't form bonds, due to lack of vacant electrons.

Hope this helps!

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What type of chemical reaction might be confused with the synthesis reaction in part 1, and how can you distinguish these two re

Sergio039 [100]

I as m not sure but researching it and see what you find

4 0

3 years ago

Calculate [h3o+] and [s2−] in a 0.10 m solution of the diprotic acid hydrosulfuric acid. (for hydrosulfuric acid ka1 = 9.0 × 10−

Rudiy27

The equation for the first dissociation is:
H₂S(aq) + H₂O(l) ⇄ HS⁻(aq) + H₃O⁺(aq)
The acid dissociation constant, Ka1 is 9.0 x 10⁻⁸
Construct ICE table and obtain their equilibrium concentrations:
H₂S(aq) + H₂O(l) ⇄ HS⁻(aq) + H₃O⁺(aq)
I (M): 0.1 0 0
C (M): -x +x +x
E (M): 0.1 -x x x
So:
9.0 x 10⁻⁸ = $\frac{X^{2} }{0.1-x}$
x = 9.4 x 10⁻⁵
From the equilibrium table:
[H₃O⁺] = x = 9.4 X 10⁻⁵ M
[HS⁻] = x = 9.4 X 10⁻⁵ M
The equation for the second dissociation of the acid is:
HS⁻(aq) + H₂O(l) ⇄ S⁻²(aq) + H₃O⁺(aq)
The acid dissociation constant Ka2 is 1.0 x 10⁻¹⁷
Construct ICE table and obtain their equilibrium concentrations:
HS⁻(aq) + H₂O(l) ⇄ S²⁻(aq) + H₃O⁺(aq)
I (M): 9.4 x 10⁻⁵ 0 9.4 x 10⁻⁵
C (M): -x +x +x
E (M): 9.4 x 10⁻⁵ -x x 9.4 x 10⁻⁵ + x
So:
1.0 x 10⁻¹⁷ = $\frac{(x)(9.4 x 10^{-5} + x) }{(9.4 x 10^{-5} - x) }$
x = 1.0 x 10⁻¹⁷ M
Therefore the equilibrium concentrations are as follows:
[S²⁻] = x = 1.0 x 10⁻¹⁷ M
[H₃O⁺] = 9.4 x 10⁻⁵ + 1.0 x 10⁻¹⁷ M = 9.4 x 10⁻⁵ M

6 0

3 years ago

Ice floats on water. For most other substances however, the solid sinks in the liquid. Classify each of these statements as true

Brut [27]

Answer:

See explanation below

Explanation:

Water has the anomality of having the solid less dense than the liquid state. The reason for this is that the hydrogen bonds in the solid ice forces the molecule to occupy more room to properly have the stability afforded by the hydrogen bonds. That is the reason why ice floats on water.

The other interesting consequence of this anomality is that the slope of the solid/liquid phase boundary is negative since at higher pressures the ice can be changed to its liquid phase which can be seen from the negative slope of the solid/liquid boundary.

A) True

B) False

C) False

D) True

E) False

F) True close up to 4 ºC when the water molecules start to behave like other liquids, that is the density of the liquid decreases.

G) True

H) True ( repeated question)

8 0

3 years ago

Which best describes the relationship between the direction of energy and wave motion in a transverse wave?

lawyer [7]

The answer is the second choice (B)

EXPLANATION:
In a longitudinal wave the particle displacement is parallel to the direction of wave propagation. The animation at right shows a one-dimensional longitudinal plane wave propagating down a tube. The particles do not move down the tube with the wave; they simply oscillate back and forth about their individual equilibrium positions. Pick a single particle and watch its motion. The wave is seen as the motion of the compressed region (ie, it is a pressure wave), which moves from left to right.

The second animation at right shows the difference between the oscillatory motion of individual particles and the propagation of the wave through the medium. The animation also identifies the regions of compression and rarefaction.

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4 years ago

A package within package can be best defined as which of the following

Citrus2011 [14]

Answer:

double-protected

Explanation:

If a package is inside a package, the item inside the second package is double-protected, because the outer package will keep it safe.

Hope this helps!

7 0

3 years ago