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Pyrrole is an extremely weak base for an amine, with a conjugate acid pK a of −3.8. The most thermodynamically stable pyrrolium cation (C 4 H 6 N +) is formed by protonation at the 2 position. Substitution of pyrrole with alkyl substituents provides a more basic molecule—for example, tetramethylpyrrole has a conjugate acid pK a of +3.7.
Flatulence can be a problem for some dogs, which may be diet-related or a sign of gastrointestinal disease. This, in fact, may be the most commonly noticed source of odor from dogs fed cereal-based dog foods. Skunks and dogs often have aggressive encounters and a dog may be sprayed by a skunk. This results in an over-powering musky acrid odor ...
Tomato juice and sauce are ineffective at neutralizing the odor of a skunk. [44] Effective treatments for skunk odor involve artificial compounds rather than household remedies. [45] Porcupines do not shoot their quills. They can detach, and porcupines will deliberately back into attackers to impale them, but their quills do not project. [46 ...
Food products and household items commonly handled by humans can be toxic to dogs. The symptoms can range from simple irritation to digestion issues, behavioral changes, and even death. The categories of common items ingested by dogs include food products, human medication, household detergents, indoor and outdoor toxic plants, and rat poison. [1]
2,5-Bis(hydroxymethyl)pyrrole is an organic chemical compound with formula C 6 H 9 O 2 N, or (HOCH 2) 2 (C 4 H 3 N). Its molecule can be described as that of pyrrole C 4 H 5 N with hydroxymethyl groups HO−CH 2 − replacing the two hydrogen atoms adjacent to the nitrogen atom. The compound is a white solid, soluble in water and acetone.
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Donald Trump mocked Canadian Prime Minister Justin Trudeau after his top minister’s surprise resignation following a clash on how to handle the president-elect’s looming tariffs.
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