Notes in pH and Buffers

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Status	Last Update	Fields
Published	08/06/2024	The pH at which half of the species is deprotonated is called the {{c1::pKa}}
Published	08/06/2024	A low pH will cause amino acids to be {{c1::full protonated}}
Published	08/06/2024	Give the Henderson–Hasselbalch equation:{{c1::}}
Published	08/06/2024	{{c1::Amphoteric}} molecules can act as either acids or bases
Published	08/06/2024	Ka is the {{c1::acid dissociation}} constant
Published	08/06/2024	Low pKa = {{c1::strong::weak or strong}} acid
Published	08/06/2024	The {{c1::bicarbonate buffer}} is by far the most important buffer for maintaining acid-base balance in the blood
Published	08/06/2024	If the blood pH is too low, respiration will {{c1::increase::increase or decrease}}
Published	08/06/2024	If the blood pH is too high, respiration will {{c1::decrease::increase or decrease}}
Published	08/06/2024	A Brønsted-Lowry acid is a substance that {{c1::donates H+}}
Published	08/06/2024	A Brønsted-Lowry base is a substance that {{c1::accepts H+}}
Published	08/06/2024	The equilibrium constant for the autoionization of water, Kw, is {{c1::10-14}} at 25º C
Published	08/06/2024	pH + pOH = {{c1::14}}
Published	08/06/2024	[H+] = {{c1::10-pH}}
Published	08/06/2024	[OH-] = {{c1::10-pOH}}
Published	08/06/2024	Strong acids and bases dissociate {{c1::completely::partially or completely}}
Published	08/06/2024	Weak acids and bases do not completely {{c1::dissociate}}
Published	08/06/2024	{{c1::Ka}} is the equilibrium constant corresponding to the dissociation of an acid, HA, into a proton and its conjugate…
Published	08/06/2024	{{c1::Kb}} is the equilibrium constant corresponding to the dissociation of a base, BOH, into a hydroxide ion and its co…
Published	08/06/2024	pKa = {{c1::-log(Ka)}}
Published	08/06/2024	pKb = {{c1::-log(Kb)}}
Published	08/06/2024	pKa + pKb = {{c1::pKw}} = {{c1::14::#}}
Published	08/06/2024	An acidic buffer is a mixture of a {{c1::weak acid}} and {{c1::its conjugate salt}}
Published	08/06/2024	A basic buffer is a mixture of a {{c1::weak base}} and {{c1::its conjugate salt}}
Published	08/06/2024	Buffering capacity is a measure of the ability of a buffer to {{c1::resist changes in pH}}
Published	08/06/2024	When [A-] = [HA] at the half-equivalence point, log(1) = {{c1::0}}, so pH = {{c1::pKa}}
Published	08/06/2024	The {{c1::half-equivalence point}}, also known as the {{c1::midpoint}}, is the point of the buffering region, in which half the titrant has been proto…
Published	08/06/2024	Titrations of a/an {{c1::polyvalent acid or base}} show multiple buffering regions and equivalence points
Published	08/06/2024	{{c1::phosphate and carbonate}} buffers are the two most important buffers in human body
Published	08/06/2024	Each H2O molecule is {{c1::hydrogen bonded}} to {{c2::4}} others
Published	08/06/2024	Water can {{c1::dissolve}} lots of organic and non-organic molecules
Published	08/06/2024	Due to {{c1::hydrogen bonding}} between H2O molecules, it has {{c1::high}} surface tension, viscosity, MP, BP, and heat vaporization, etc.
Published	08/06/2024	The bulk water surrounding a protein provides {{c1::stability}} and {{c1::preserves its 3D structure}} by interacting with {{c2::polar}} groups on the…
Published	08/06/2024	H2O is an excellent {{c1::nucleophile}}Because of the {{c2::partial positive}} and {{c2::partial negative}} charges, water can act as a…
Published	08/06/2024	Write the 2 ways water dissociates: {{c1::}}
Published	08/06/2024	pH affects the solubility and absorption of a drug: Most of the drugs are available as {{c1::weak acids or weak bases}}. The mucosal lining of GI…
Published	08/06/2024	3 main ways to elimate excess acid or H+:{{c1::}}
Published	08/06/2024	How do lungs regulate pH: {{c1::reduce pCO2 in blood}}
Published	08/06/2024	How do kidneys regulate pH in the Human Body: {{c1::}}
Published	08/06/2024	isohydric transport is {{c1::the transport of CO2 through HCO3- from tissue to lungs without changing the pH of blood}}
Published	08/06/2024	in {{c1::isohydric transport}}, upon entering red blood cells, CO2 rapidly combines with water (H2O) to form {{c2::carbonic acid (H2CO3)}} via the rev…
Published	08/06/2024	how does chloride maintain electrical neutrality in isohydric transport?{{c1::chloride enters tissue while HCO3- comes out and HCO3- enters in while c…
Status	Last Update	Fields