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Umnica [9.8K]
4 years ago
15

What is the oxidation number for Cl? -2 +2 -1 +1

Chemistry
2 answers:
IrinaVladis [17]4 years ago
6 0
It's usually Cl^{-1}
pishuonlain [190]4 years ago
6 0
The answer is -1 usually for chlorine

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The lewis dot notation for two atoms is shown. What is represented by this notation? K loses one portion to CI, K gains one port
telo118 [61]

Answer:

K loses one electron to CI

Explanation:

The lewis electron dot notation shows only the chemical symbol of the element surrounded by dots to represent the valence electrons.

  We have atom of K with one valence electrons

   Cl with 7 valence electrons

For an electrostatic attraction to occur, both particles must be charged. To do this, one of the species must lose an electron, and the other gains it.

This will make both species attain a stable octet;

   Hence, K will lose 1 electron and Cl will gain the electrons.

6 0
3 years ago
In a closed container, the vapor pressure of 10 mL of ethanol at 20 degrees C is 5.85 kPa. What is the vapor pressure of 20 mL o
natulia [17]

Answer:

{P_2}=2.925\ kPa

Explanation:

At same temperature and same number of moles, Using Boyle's law  

{P_1}\times {V_1}={P_2}\times {V_2}

Given ,  

V₁ = 10 mL

V₂ = 20 mL

P₁ = 5.85 kPa

P₂ = ?

Using above equation as:

{P_1}\times {V_1}={P_2}\times {V_2}

{5.85\ kPa}\times {10\ mL}={P_2}\times {20\ mL}

{P_2}=\frac{{5.85}\times {10}}{20}\ kPa

{P_2}=2.925\ kPa

6 0
3 years ago
A student jumps of a sled toward the west after it stops at the bottom of an icy hill. Based on the law of action-reaction, in w
Delicious77 [7]

Answer:

East

Explanation:

Given Newton's third law of motion; "Action and reaction are equal and opposite", when a student jumps off a sled toward the west after it stops at the bottom of an icy hill, the sled will move in the East direction.

This is because, the force exerted on the sled is a reaction force and is opposite in direction to the force that thrusts the boy westward though equal in magnitude with the former.

3 0
3 years ago
The ____________ bonds in bromine, Br2, allows for complete dissolving but not dissociation cyclohexane. Bromine will not dissol
pishuonlain [190]
The answer would be non-polar covalent.
Bromine is a non-metal, making the bond covalent.
The bond is non-polar because there is no unequal sharing between electrons because both elements in the bond are the same; they have the sane electro negativities.
3 0
3 years ago
Read 2 more answers
In a closed system , equilibrium is said to be dynamic. Why?
zysi [14]
Equilibrium is only static at a constant temperature, volume, concentration etc.  If you change any of these things the position of equilibrium will shift right or left this being dynamic not static.

Hope I helped :)
6 0
4 years ago
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