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WikiCards · Card list · Science cards · Carbonic acid
Uncommon card · Science
Carbonic acid, an Uncommon card
Carbonic acid is a chemical compound with the chemical formula H2CO3.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 70
- DEF
- 64
- Power
- 134
- Wikipedia reads a year
- 110,000
Power 134 (ATK + DEF): stronger than 75 % of WikiCards cards.
Carbonic acid quiz: 3 questions
Three questions on the Carbonic acid card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Solid ______ carbonic acid has also been isolated.
Answer
anhydrous. Solid anhydrous carbonic acid has also been isolated. From the Carbonic acid article on Wikipedia.
In which decade?
In contrast to early-twentieth century textbooks, numerous studies conducted since ca. ____ identified H2CO3 as a real molecule with a distinct Raman spectrum and with a first-order life-time of ca. 20 ms at 37 °C.
Answer
1990s. In contrast to early-twentieth century textbooks, numerous studies conducted since ca. 1990 identified H2CO3 as a real molecule with a distinct Raman spectrum and with a first-order life-time of ca. 20 ms at 37 °C. From the Carbonic acid article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Cinematography. Cinematography 79 · Panentheism 75 · Carbonic acid 70 · Old World sparrow 67 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The molecule rapidly converts to water and carbon dioxide in the presence of water.
- In contrast to early-twentieth century textbooks, numerous studies conducted since ca. 1990 identified H2CO3 as a real molecule with a distinct Raman spectrum and with a first-order life-time of ca. 20 ms at 37 °C.
- Solid anhydrous carbonic acid has also been isolated.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Carbonic acid article was read about 110,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 70 and blocks with 64: each hit it takes is cut by 26 %.
How to get Carbonic acid
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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The cards just above and just below Carbonic acid in the power ranking, all domains together.
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- Selim IIIUncommon · History · ATK 71 DEF 63
- F. W. MurnauUncommon · Arts · ATK 71 DEF 63
- Mathematical optimizationUncommon · Science · ATK 77 DEF 57
- Old World sparrowUncommon · Nature · ATK 67 DEF 67
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Credits
Text : Wikipedia, Carbonic acid (revision), CC BY-SA 4.0. Photo : Eetwartti, Public domain, Wikimedia Commons.
