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If you have 100ml of a .1M tris buffer at PH 8.3 and you add 3.0 ml HCl what will be the new pH? (PKa of Tris = 8.3)
After you determine the concentration of the unknown stock solution, you will need to use the density to calculate the % mass of thymol
The concentration of the first ion to precipitate (either Al3+ or Ca2+) decreases as its precipitate forms. What is the concentration of the this ion when the second ion begins to precipitate?
Draw the initiation step, one propagation step, and the disproportionation-termination step for the chain-growth polymerization of vinylidene difluoride (1,1-difluoroethene).
describe the difference between what the retina does and what the striate cortex does?
What is the complete ionic equation for the reaction of K with H2O. Identify the reducing and oxidizing agents and the oxidation
The first equivelence point is reached when 24.50 mL of base have been added. What is the molecular weight of the unknown acid?
The specific heat of ethanol is 2.44j/g times degrees celcius. How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0 degrees celcius to 68.0?
the compound freon-12 (CCl2F2) is used as a coolant in refrigerators and air conditioners. It is produced through the following reaction: CCl4+SbF3-> CCl2F2+SbCl3. If 15.0 mole of freon-12 are to be produced, what mass of the carbon tetrachloride ..
if a sample of 2.63 L of neon is collected at 730 torr and 26 degrees C, what volume will the gas occupy at 1.10 atm and 10 degrees C?
given the following substances, xenon, ammonia, iodine monochloride, and fluorine, and the following statements,
Calculate the heat change of the calorimeter (Qcal) for this process and report it below with the correct number of significant figures
A solution is prepared by mixing 77.0 mL of 5.00 M HCl and 11.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
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