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alukav5142 [94]
3 years ago
5

What is the chemical formula of sodium carbonate?

Chemistry
1 answer:
Gekata [30.6K]3 years ago
6 0

Answer:

Na2CO3 is the formula for sodium carbornate

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What is ionic bond,,,?​
andreev551 [17]

Answer:

An ionic bond is the bonding between a non-metal and a metal, that occurs when charged atoms (ions) attract.

Explanation:

Here I put the function of Iconic Bond.

  • <em>Ionic bonds form so that the outermost energy level of atoms are filled. Ion. an atom or group of atoms that bring out a positive or negative electric charge as a result of having lost or gained one or more electrons.</em>

<em>Therefore, I hope this helps!</em>

7 0
3 years ago
Read 2 more answers
Carlos is making phosphorus trichloride using the equation below. He uses 15.5 g of phosphorus and collects 50.9 g of phosphorus
Oxana [17]

Answer : The mass of chlorine reacted with the phosphorus is, 53.25 grams.

Explanation :

First we have to calculate the moles of phosphorus.

\text{Moles of phosphorus}=\frac{\text{Mass of phosphorus}}{\text{Molar mass of phosphorus}}

\text{Moles of phosphorus}=\frac{15.5g}{31g/mol}=0.5mol

Now we have to calculate the moles of Cl_2

The balanced chemical reaction is:

2P+3Cl_2\rightarrow 2PCl_3

From the balanced chemical reaction, we conclude that

As, 2 moles of phosphorous react with 3 moles of Cl_2

So, 0.5 moles of phosphorous react with \frac{3}{2}\times 0.5=0.75 moles of Cl_2

Now we have to calculate the mass of Cl_2

\text{Mass of }Cl_2=\text{Moles of }Cl_2\times \text{Molar mass of }Cl_2

Molar mass of Cl_2 = 71 g/mol

\text{Mass of }Cl_2=0.75mol\times 71g/mol=53.25g

Therefore, the mass of chlorine reacted with the phosphorus is, 53.25 grams.

4 0
4 years ago
Read 2 more answers
Arrange the following molecules by increasing bond polarity...?
Radda [10]

The correct answer is Cl₂ <CCl₄ < PCl₃ < CaCl₂ < CsCl (most polar)

Cl₂ is nonpolar or least polar as there is no differentiation in electronegativity of the two atoms of chlorine producing amongst them. CCl₄ exhibits four C-Cl bonds. The C-atom is electropositive and Cl is electronegative. Therefore, there are four dipoles in CCl₄. Though, these dipoles cancel each other because of the tetrahedral geometry of the molecule. Therefore, CCl₄ is less polar in comparison to others, however, more polar in comparison to Cl₂.  

PCl₃ exhibits three dipoles because of electronegative chlorine atoms, and electropositive phosphorus atom. Though, the configuration of the molecule is trigonal pyramidal, producing it more polar in comparison to CCl₄. The CaCl₂ is ionic compound, therefore, polar in comparison to the covalent bond compounds.  

CsCl is ionic compound, however, more polar in comparison to CaCl₂, as there is the higher difference in electronegativity of Cs and Cl compared with that between the Ca and Cl.  


7 0
3 years ago
Help school so annoying
hichkok12 [17]

Answer:

I think its scenario 2 Guitar strings

Explanation:

"You move your fingers and arm to play the guitar! This energy was stored in the molecules inside your muscles and now is being used to move your fingers which, in turn, transfers energy to the strings of the guitar. Now the strings are vibrating, having kinetic energy,"

I searched this up, if you answer requires an explanation put this in your own words.

3 0
3 years ago
Can someone please help me pls
statuscvo [17]

Answer:

I guess option d

hope I am correct

4 0
3 years ago
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