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WikiCards · Card list · Science cards · Diammonium phosphate
Uncommon card · Science
Diammonium phosphate, an Uncommon card
Diammonium phosphate is one of a series of water-soluble ammonium phosphate salts that can be produced when ammonia reacts with phosphoric acid.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 52
- DEF
- 37
- Power
- 89
- Wikipedia reads a year
- 28,000
Power 89 (ATK + DEF): stronger than 30 % of WikiCards cards.
Diammonium phosphate quiz: 3 questions
Three questions on the Diammonium phosphate card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Decomposes to ammonia and ______ phosphate at around 70 °C.
Answer
monoammonium. Decomposes to ammonia and monoammonium phosphate at around 70 °C. From the Diammonium phosphate article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Theorema Egregium. Theorema Egregium 61 · Fuse 58 · Anna Kikina 55 · Diammonium phosphate 52 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.
- Solid diammonium phosphate shows a dissociation pressure of ammonia as given by the following expression and equation:2HPO4 ⇌ NH3 +H2PO4 At 100 °C, the dissociation pressure of diammonium phosphate is approximately 5 mmHg.
- According to the diammonium phosphate MSDS from CF Industries, Inc., decomposition starts as low as 70 °C: "Hazardous Decomposition Products: Gradually loses ammonia when exposed to air at room temperature.
- Decomposes to ammonia and monoammonium phosphate at around 70 °C.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Diammonium phosphate article was read about 28,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 52 and blocks with 37: each hit it takes is cut by 15 %.
How to get Diammonium phosphate
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.
More Science cards
Cards close in power
The cards just above and just below Diammonium phosphate in the power ranking, all domains together.
- Tzvetan TodorovUncommon · History · ATK 62 DEF 27
- AdamsiteUncommon · Science · ATK 54 DEF 35
- Asiatic linsangUncommon · Nature · ATK 52 DEF 37
- Operation Samen-ol-A'emehUncommon · History · ATK 55 DEF 34
- StableUncommon · Society · ATK 49 DEF 40
- Boris KravtsovUncommon · History · ATK 48 DEF 41
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
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- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Diammonium phosphate (revision), CC BY-SA 4.0. Photo : Edgar181, Public domain, Wikimedia Commons.
