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Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution containing 0.070 mol lysine (HL), 0.055 mol aspartic acid (H2A), and 0.0080 mol NaOH. Consider just acid-base chemistry. Ignore ion pairing and activity coefficients. Lysine (HL) is derived from the triprotic acid H3L2 with pKH3L2 = 1.77, pKH2L = 9.07, and pKHL = 10.82. Aspartic acid (H2A) is derived from the triprotic acid H3A with pKH3A = 1.990, pKH2A = 3.900, and pKHA- = 10.002.
Why would the active form of thrombin be produced only when an injury occurs to tissue?
you purchase a cup of coffee, but, at 98.4 degrees C, it is too hot. You add 45.5 g of ice that is -2.2 degrees C to the 248ml of coffee. What is the final temperature of the coffee?
A gas has a volume of 50.0 cm3 at a temperature of -73 C. What volume would the gas occupy at a temperature of -123 C if the pressure stays constant?
A sample of indium sulfate, In2(SO4)3, contains 0.0446 moles of oxygen. What mass of indium is present?
A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?
The heat of reaction for the combustion of cyclohexane, C6H12, is 936.8 kcal/mol. What is the heat of combustion for cyclohexane in kcal/gram?
if 4.50g of methane gas is introduced into an evacuated 2.00 L container at 35 celcuis what is the pressure in the container?
A red laser pointer emits light with a wavelength of 660. What is the frequency of this light? 2.What is the energy of one of these photons?
The reaction of 0.130 moles of a metal with an acidic aqueous solution in a calibrated calorimeter causes the temperature to increase by 49.0°C.
What must be the atomic mass of the metal M If A sample of the compound MSO 4 weighing 0.1131 g reacts with barium chloride and yields 0.2193 g BaSO4.?
Active ingredient in household bleach is NaOCl. Find % concentration (w/v) in household bleach. (Mass of NaOCl per mL of solution) *Atomic mass of NaOCl = 74.44217 Question 2: Using the % w/v of NaOCl on the bleach bottle, calculate the percent er..
the electron configuration [Kr]4d10 5s2? How many unpaired electrons are there in the ground state of this ion?
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