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VARVARA [1.3K]
3 years ago
15

Aqueous potassium sulfide and aqueous cobalt (II) chloride are mixed, and a double replacement reaction occurs. What is the corr

ect balanced chemical equation?
Chemistry
1 answer:
alekssr [168]3 years ago
7 0
K2S (aq) + CoCl2( aq) ----->   2KCl (aq) + CoS (s)
potassium   +  cobalt                potassium chloride  + carbonyl  sulfide 
sulfide          chloride 

carbonyl sulfide :-  it is chemical compound with linear formula (OCS ) normally written as (CoS)  .it does not show its structure . its is colorless flammable gas with an unpleasant odour.
Potassium chloride :-  It is metal halide salt composed of potassium and chlorine. it is odorless and has white or colorless crystal appearance <span />
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3 0
3 years ago
An atom gets over all positive charge by ____ _______
Rasek [7]
<h2>Answer:</h2>

Nucleus.

<h2>Explanation:</h2>
  • In an atom the nucleus has an overall positive charge as it contains the protons.
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4 0
3 years ago
The pressure of a sample of argon gas was increased from 3.14 atm to 7.98 at a constant temperature. If the final volume of argo
noname [10]

Answer:

<h2>36.09 L</h2>

Explanation:

The initial volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume.

Since we're finding the initial volume

V_1 =  \frac{P_2V_2}{P_1}  \\

We have

V_1 =  \frac{7.98 \times 14.2}{3.14} =   \frac{113.316}{3.14}  \\  = 36.0878...

We have the final answer as

<h3>36.09 L</h3>

Hope this helps you

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2 years ago
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Explanation:

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