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alexdok [17]
2 years ago
12

Ssdfdjfdngndfdjggjxgjnxdòò

Chemistry
1 answer:
AveGali [126]2 years ago
5 0

Answer:

ok

Explanation:

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Which chemical substance has the highest melting point? a) gold b) water c) oxygen d) mercury
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HELP!! BRAINLIEST 50 POINTS
zhenek [66]

Answer:

The given equation obey the law of conservation of mass.

Explanation:

Chemical equation:

2LiOH + CO₂  →   Li₂CO₃ + H₂O

There are equal number of atoms of oxygen, hydrogen and lithium on both side of equation so it obey the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

2LiOH                +            CO₂         →         Li₂CO₃           +                    H₂O

2(6.941 + 16 + 1)  +          12+32                   6.941×2 + 12 + 3×16     +       18

47.882 + 44                                                  13.882 +12+48   +   18

91.882 g                                                                91.882 g

The mass of reactants and product are equal.

6 0
3 years ago
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ludmilkaskok [199]

Answer:

It is always less than the theoretical yield

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For many chemical reactions, the actual yield is usually less than the theoretical yield. This is due to possible loss in the process or inefficiency of the chemical reaction.

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