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3 years ago

Please can someone explain the answer to number 11

Chemistry

1 answer:

Aleks04 [339]3 years ago

7 0

Answer:

HClO2 is the Lewis Acid and the ClO2- is the Lewis Base in the first pair

NH3 is the Lewis Base and the NH4+ is the Lewis Acid in the second pair.

Explanation:

A Lewis Base is an electron donor so there are extra pairs of electrons.

A Lewis Acid is an electron receiver so they are electron deficient.

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3 years ago

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Gwar [14]

Answer:

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Explanation:

Hello!

In this case, when solid calcium carbonate, CaCO3 (s), is decomposed by the action of thermal energy (heat), solid calcium oxide, CaO (s) and carbon dioxide gas, CO2 (g) are yielded via the following reaction:

$CaCO_3\rightarrow CaO+CO_2$

However, since calcium carbonate is solid as well as calcium oxide and carbon dioxide is given off as a gas, we write:

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Which also balanced.

Best regards!

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