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icang [17]
3 years ago
7

What else is produced when sodium carbonate decomposes? Na2CO3 → Na2O + _________

Chemistry
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

CO2

cardon dioxide is produced

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Paraphrase this quote, “Sometimes you have to go up really high to understand how small you really are.”
Helga [31]

Answer:

Sometimes you just have to get yourself hard to understand what you are really going through and how much you have done and how hard you are.

Explanation:

Tbh not all quotes are easy to express but this one sounds really interesting.

But in my opinion this is the best I could describe

Hope you agree. Let me know :)

3 0
3 years ago
What are three components that make a complete description of a location?
vodka [1.7K]

Answer:

Distance, direction and symbol.

Explanation:

Distance, direction and symbol are the three components of the map which make a complete description of a location. On the map, these three components are present which provides information about a specific location on the map. Map is a drawing on the paper that shows the geography of the whole world and provides information in detail.

4 0
3 years ago
What is the key principle behind VSEPR theory
PSYCHO15rus [73]

Answer:

Minimizing repulsion by maximizing the bond angles

Explanation:

VSEPR is defined as 'valence shell electron pair repulsion' theory. The key principle is that repulsion of adjacent lone pairs of electrons or the electrons that are shared within a bond creates bond angles.

The bond angles are maximized in order to minimize the repulsion in the most stable geometrical shape of the molecule.

That said, in VSEPR theory we tend to achieve the greatest possible angles between the bonds and lone pair electrons in order to obtain the lowest repulsion between them.

8 0
3 years ago
Which element has an atomic mass of 54.938
lutik1710 [3]

Answer:

Explanation:

The elemenents of the periodic table sorted by atomic mass

Atomic Mass Name chemical element number

54.938                 Manganese                      25

55.845                       Iron                              26

58.6934                     Nickel                              28

58.9332                     Cobalt                              27

7 0
3 years ago
15g of sugar and 10g of water are measured separately. The sugar is dissolved in the water. What will
quester [9]

Answer: a) No, both are different.

b) Ramesh- 9.9%

  Sarika - 10%

Explanation:

According to the solution prepared by Ramesh,

Mass of sugar he took (Solute) = 10 g

Mass of water he took (Solvent) = 100 g

Thus Mass % of the solution =

     

According to the solution prepared by Sarika,

Mass of sugar she took (Solute) = 10 g

Mass of Solution she took  = 100 g

Thus Mass % of the solution =

     

Explanation:

7 0
3 years ago
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