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Calculate the pH of a 0.3M solution of
a) leucine hydrochloride and
b) isoelectric leucine.
how the equations are derived and the logic behind them.
61.0 mL of a solution(1.60 M) is diluted to a volume of 208 mL. A portion of that solution(104-mL) is diluted using 121 mL of H 2 O. determine the final concentration?
Explain the mechanisms of thermal explosions and branched-chain explosions. The atomic bomb is a classical model of a branched-chain explosion. Explain the notions of sub-critical, critical, and super-critical masses of a fissionable isotope.
You will then make a Kool-Aid solution by dissolving the powder in an entire packet of lemon-lime Kool-Aid in 250.00 mL solution. You find the powder in a packet of lemon-lime Kool-Aid has a mass of 3.629 g.
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes. Find kJ/mol of H20
Lead (2) nitrate reacts with potassium iodide to produce lead (2) iodide and potassium nitrate. if 1.23mg of lead nitrate are consumed, what is the mass of the potassium nitrate produced?
a buffer solution is prepared by mixing 75ml of a 0.275m ofc7h5o2f wilth 55ml of a 0.472m solution of c7h4o2fna. the
A 10.00 g sample of sucrose (C12H22O11) was dissolved in 200.0 g H2O. What will be the vapor pressure of this solution at 100C? Sucrose is non-disscociated, non-volatile solute.
A 10.0 L balloon contains helium gas at a pressure of 655 mmHg. What is the new pressure of a helium gas at 1500 mL, if there is no change in temperature
Find delta s, q,w, and delta u for the reversible isothermal expansion of 3.000mol of argon (assumed ideal) from a volume of 100.0L to a volume of 500.0L at 298.15K
What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
what is the total pressure in the reaction flask at the end of the reaction? What are the partial pressures of the gases in the flask? 6A(g) + 2B(g) %u2192 2A3B(g)
The solution has a density of 1.286 g/cm3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4, which is complete.
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