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How can glycine act as a buffer at pH 6.00 and why? Please use chemical equations to show how it can act as a buffer at this pH specifically?
what is the condensed structural formula of 4-isopropylheptane?
A sample consisting offive molecules has a total energy 5£. Each molecule is able to occupy states of energy j£,with j= 0,1,2,···,oo. (a) Calculate the weight of the configuration in which the molecules are distributed evenly over the available st..
A 2.00 L glass soda bottle filled only with air is tightly capped at 24 C and 744.0mmHg. If the bottle is placed in water at 75C what is the pressure in the bottle?
When solutions of silver nitrate and calcium chloride are mixed, silver chloride precipitates out of solution according to the equation 2AgNO3(aq) + CaCl2(aq) ---- 2AgCl(s) + Ca(NO3)2(aq)
what is the internal energy change of a gas gives off 312 of heat while being compress 862ml by a pressure of 1.64 bar?
Problem- Use the following standard-state free energy of formation data to calculate the acid-dissociation equilibrium constant (Ka) at for formic acid: Compound Gf o (kJ/mol) HCO2(aq) -372.3 H+ (aq) 0.00 HCO2 - (aq) -351.0
Consider a single photon with a wavelength of a frequency of and an energy of E. What is the wavelength, frequency, and energy of a pulse of light containing 100 of these photons
calculate the ph at teh second equivalence point in the titration of 0.1000l of a 0.1000 m solution of the weak
When bicarbonate is reacted with acid it releases CO2. How many moles of HCO3? did you start with if you collect 1.24 x 10 3 moles of CO2(g)?
1 mol of ar initially at 298 k undergoes an adiabatic expansion against a pressure p external 0 from a volume of 20.0
the freezing point of the solution is lowered by 4.10 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine
prove from the first principles and basic material balance considerations that the chemical potentials of two phases at
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