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hooplikenari
14.06.2020 •
Chemistry
Write a thermodynamic equation for
a) the first ionisation energy for fluorine
b) the second ionisation energy of magnesium
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Ответ:
Explanation:
kJ mol^-1
a) = 1681.06
b) = 1450.68
Ответ:
For the equilibrium that you simply have written ...
H2CO3 + H2O <==> HCO3- + H3O +
acid base conjugate base conjugate acid
Further explanationWe know that carbonic acid gas reacts with water to create "carbonic acid." However, what we actually call as the acid isn't the weak acid H2CO3; H2CO3 doesn't even exist in solution. What really we call as the acid is just CO2 dissolved in water which is in equilibrium with small amounts of H + and HCO3-. HCO3 ^ - is that the intermediate substance between CO2 and CO3 ^ 2-. By adding OH- to HCO3 ^ - we produce CO3 ^ 2-. Adding H + to HCO3 produces CO2.
CO2 (aq) + H2O (l) <==> H + + HCO3 ^ - acid midrange pH values
HCO3 ^ - + OH- <==> CO3 ^ 2- + H2O (l) formation of carbonate ion basic
HCO3 ^ - + H + <==> CO2 (g) + H2O (l) formation of carbonic acid acidic gas
Acid: H2CO3
Conjugate Base: HCO3-
Base: H2O
Conjugate Acid: H3O +
Carbon dioxide is produced by all animals, plants, fungi, and microorganisms in the process of respiration and is used by plants in the process of photosynthesis. Therefore, carbon dioxide is an important component of the carbon cycle. Carbon dioxide is also produced from the byproduct of burning fossil fuels. Inorganic carbon dioxide is released from volcanoes and other geothermal processes such as hot springs.
Learn more
Carbon dioxide
carbonic acid
Details
Grade: College
Subject: Chemistry
Keyword: carbon dioxide, carbonic, acid