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Solutions of hydrochloric acid caused the light bulb to glow brighter than solutions of acetic acid. How do you account for the difference in behavior between these two compounds
When ethylamine dissolves in water, a solution of ethylammonium hydroxide is formed. If not, what is formed
How much limestone in kilograms is required to completely neutralize a 4.2×109L lake with a pH} of 5.6
Calculate the ph at the equivalence point when 50 mL of .050 M HBrO is titrated with 0.100 M NaOH. Ka= 2.5 X 10^-9 for HBrO.
If 4 mol of a gas at 100 K and 1 atm occupies a volume of 2.5 L, what would the pressure be, in atm, if the volume decreased to 2.0 L and the temperature increased to 110 K
guesstimate the extent of the dipole moment of h2o in debye units treating h2o as three point charges. suppose the o-h
Calculate the proton motive force across the inner mitochondrial membrane at 25C when the electrical is 0.018V (inside negative) and the pH outside is 6.3 and the pH inside is 7.2
Plutonium-240 (PU-240) is a byproduct of the nuclear reaction that takes place in a reactor. It takes one thousand years for 10% of a 4.60 g sample to decay. (Nuclear decays are first-order reactions)
A portable electric water heater transfers 255 watts (W) of power to 5.5 L of water, where 1 W = 1 J/s. How much time (in minutes) will it take to heat the 5.5 L of water from 24 degrees C to 41 degress C? (Assume that the water has a density of 1..
What is the volume of added base at the equivalence point for KOH in mL. b) What is the volume of added base at the equivalence point for CH3NH2 in mL
an unknown compound has the formula cxhyoz. you burn 0.220 g of the compound and isolate 0.312 g of co2 and 0.191 g of
titrate the first HA solution with 87.4 mL of 0.0906 M NaOH and the mixture of HA and HB in the second flask with 94.0 mL of the NaOH solution. Calculate the molarity of the HA and HB solutions.
Determine how you would make a 100ppb solution of riboflavin from a 50mg/L stock solution. Do the same for preparation of a 500ppb solution from a 50mg/L stock solution
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