A buffer solution with a ph reading a 850 was prepared by
A buffer solution with a pH reading a 8.50 was prepared by mixing 0.25 mole acid (HA) and 0.05 mile NaOH in 500.0mL DI water. How much more gram of NaOH you should add to this solution in order to have the highest buffer capacity of this solution?
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A buffer solution is composed of 1.360 g of KH2PO4 and 5.677 g of Na2HPO4. What is the pH of the buffer solution?
A soluble fluoride-containing salt such as NaF is added to "fluoridate" the water (to aid in the prevention of dental cavity). What is the maximum concentration of F- that can be present without precipitating CaF2
Carvone is the major constituent of spearment oil. What products would you expect from reaction of carvone with the following reagents?
The standard free energy change for the reaction of nitrogen gas with hydrogen gas to produce ammonia is -32.9 kJ. Calculate the equilibrium constant for this reaction at 25°C.
A buffer solution with a pH reading a 8.50 was prepared by mixing 0.25 mole acid (HA) and 0.05 mile NaOH in 500.0mL DI water. How much more gram of NaOH you should add to this solution in order to have the highest buffer capacity of this solution
1. The closed-loop transfer function of a system is T(s) = 11.1(s +18)/ ((s + 20)(s2 + 4s +10)) Plot the poles and zeros of this system and discuss the dominance of the complex poles. What overshoot for a step input do you expect
For the decomposition of solid ammonium chloride into ammonia gas and hydrogen chloride gas Kp = 1.1 x 10-16. Calculate the change in standard free energy for this decomposition reaction.
Two machines and a lighting load are connected in parallel to a 240 V(rms), 60 Hz line. The first machine uses 230 kW of power at 0.85 power factor lagging. The second machine uses 95 kVA at 0.882 power factor leading. The lightening load consumes
By appropriate K, MB, and CB analysis, calculate system pH and the amount of CaCO3(s) remaining on establishment of EQ. Show all pertinent work except arithmetic. (Assume a constant liquid-phase volume of 1.0 L.)
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