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Sodium metal is also readily oxidized by oxygen. If the product of the reaction were dissolved in water, what would be the color of the litmus for a litmus test? Explain.
The total molarity of acid and conjugate base in this buffer is .100 M. A student adds 7.10 mL of a .250 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760
To determine the concentration of a 25.0 ml acetic acid solution (Ka for acetic acid is 1.8 X 10^-5), 25.0 ml of 2.00 M NaOH solution is used to reach the endpoint of titration. Calculate the pH of the endpoint.
The bromination solution is prepared by mixing liquid bromine with glacial acetic acid 1:4 v/v (bromine to acid). The density of bromine is 3.12 g/mL. Calculate the molarity of 1.00 L of bromine solution.
A sample of 2.2 mol O2 (Cop,m = 29.355 J K-1 mol-1) is originally confined in 24 dm3 at 270 K and then undergoes adiabatic expansion against a constant pressure of 600 Torr until the volume has increased by a factor of 3.0.
Determine the maximum number of electrons that can exist in a completely filled n=5 level. Give four possible quantum numbers for a 5f electrons of the hydrogen atom
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
state how much greater the bleach should be to be considered in large excess. if the dye is 1times10-5 m how much can
calculate the amount of heat required to completely sublime 35.0 of solid dry ice at its sublimation temperature. the
iron has a reported average atomic mass of 55.85 amu. if iron has two isotopes one of which has 29 neutrons and an
what solid is left behind when you dissolve acetaminophen completely in 1:1 dichloromethane
For the system CaO(s) + CO2(g) = CaCO3(s), I added 1.00 mol of CaO(s) to 1.00L of 0.500M CO2(g) at 200 oC. At equilibrium the [CO2] = 0.150M. What is the value of Kp for this reaction?
Acetone (CH3)2CO, has a larger dipole moment than water, but NaCl will not dissolve in it.
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