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Explain why tricynomethane has value pka 5?

Trichloroacetic acid (also known as trichloroacetic acid or TCA) has a pKa value of approximately 5 due to its strong acidity, which is influenced by the electronegative chlorine atoms attached to the carbon atom. These chlorine atoms stabilize the negative charge that forms on the conjugate base when the acid donates a proton. The inductive effect of the chlorine atoms enhances the acid's ability to dissociate, resulting in a lower pKa value compared to many other carboxylic acids. Thus, TCA is considered a relatively strong acid among organic compounds.


How many years after dying does a sample lose one-half of it carbon - 14 atoms?

5730 years (approx).


How many enantiomers are possible for the aldoheptoses?

Aldoheptoses have seven carbon atoms and one chiral center, so they can have a maximum of 2^1 = 2 enantiomers.


How many pounds is 1 gallon of acid?

It depends on what acid.


How many atoms are in 10ml of vinger?

To estimate the number of atoms in 10 mL of vinegar, primarily composed of acetic acid (C₂H₄O₂) and water (H₂O), we can start with the density of vinegar, which is about 1 g/mL. Thus, 10 mL of vinegar weighs approximately 10 grams. Given that the average molar mass of acetic acid is about 60 g/mol and considering water, we can calculate the number of molecules and then multiply by the number of atoms per molecule. Roughly, 10 grams of vinegar contains about 0.17 moles, which corresponds to approximately 1.02 x 10²³ molecules, leading to about 3.06 x 10²⁴ atoms in total.