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Potassium hydrogen phthalate (KHP) is used as a primary standard acid to accurately determine the molarity of a NaOH solution via a titration. The formula of KHP isKHC8H4O4 and has a molar mass of204.23 g/mol.
If 27.15mL of a NaOH solution are needed to exactly neutralize 0.361g of KHP, explain what is the molarity of the NaOH solution?
depending on the type of chemical reaction molecular bromine br2 can be a source of br br- or brmiddota. provide a
How much of my favorite Mosel River area vintage (35.0 % ethanol) brandy must Sam-E consume in order to lower the activity of his ADH on methanol to 2.00% of Vmax
calculate the initial velocity of a reaction if the substrate concentration is 4 times the km show
A hot air balloon is inflated to its full extent by heating the air inside it. In the final stages of this process the volume of the balloon changes from 4.00 x 10^6 L to 4.50 x 10^6 L by addition of 1.3 x 10^8 J of energy as heat.
Twenty-five milliliters of liquid nitrogen (density = 0.807 g/mL) is poured into a cylindrical container with a radius of 11.0 cm and a length of 20.0 cm. The container initially contains only air at a pressure of 760.0 mmHg (atmospheric pressure)..
Presume the structure of compound Z C11H12O4 which has UV-Vis absorptions above 275 nm. Its IR spectrum depicts bands at 3208, 3175, 3100, 2947
Inexperienced athletes might try consuming three high energy drinks just before a race but veteran marathon runners know this would impair their performance. Why?
Calculate the amount of N2 gas released (in liters at 37°C and 1.5 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.80 atm.
caffeine c8h10n4o2 is a stimulant found in coffee and tea. if a solution of caffeine in chloroform chcl3 as a solvent
Hydrogenation of a liquid triacylglycerol converts: a. the ester group to a ketone group, b. the ester group to a carboxylic group
Consider a substance X with a Hvap = 20.3 kj/mol and Hfus = 9.0 kj/mol. The melting point, freezing point, and heat capacities of both the solid and the liquid X are identical to those of water
An unknown gas has been determined to have the empirical formula CH2. At 27°C and 0.966 atm, the gas has a density of 1.65 g/L. What is the molecular formula of this gas
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