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Anna35 [415]
3 years ago
6

What type of chemical reaction is NaHCO3=Na2CO3+H2O+CO2​

Chemistry
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

The thermal decomposition of sodium bicarbonate to produce sodium carbonate carbon dioxide and water. This reaction takes place at a temperature of 250-300°C(140-180°C).

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During a lunar eclipse, the moon appears to be darkened because _______________ is casting a shadow on it.
stealth61 [152]

Answer:

the earth

Explanation:

because the moon is blocking the light of the sun

4 0
2 years ago
How many moles are present in 45.0 g of lithium oxide (Li2O)?
BigorU [14]
Molar mass Li2O = 7.0 x 2 + 16 => 30 g/mol

1 mole Li2O ---------- 30 g
( moles Li2O ) -------- 45.0 g

moles Li2O = 45.0 x 1 / 30

moles Li2O = 45.0 / 30

= 1.50 moles of Li2O 

hope this helps!


4 0
3 years ago
Water evaporating from a puddle is an example of a
Flauer [41]
It is an example of physical change. The molecules are not changing, so it is not chemical, and a physical property is something that a physical thing has.


5 0
3 years ago
Read 2 more answers
What is the formal charge on the hydrogen atom in hbr? use the periodic table as needed?
Westkost [7]
A covalent bond is formed between H and Br
The structure of HBr is as follows
H —Br
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H has 1 valence electron, 1 bond and 0 number of lone pair electrons
Formal charge of H = 1 -1 -0 = 0
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3 0
2 years ago
Is rubbing alcohol a mixture, compound or solutions?
Aliun [14]
Rubbing alcohol is a solution
5 0
3 years ago
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