What is the ph of a 05901 m solution of naa note ha is a
What is the pH of a 0.5901 M solution of NaA. Note: HA is a weak acid with Ka = 6.144x10-8.
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Predict the acid/base/neutral properties of 1.00 M solutions of, respectively, KH2AsO4 and K2HAsO4.
The motor draws a current of 20 A at givenload. Armature resistance method of speed control is employed tocontrol the speed of the motor. Calculate (a)the resistance that should be added to the armature circuit toreduce the speed by 40%
An noninverting amplifier op amp circuit is operated with V_DD=5Vand V_SS=0V, and the input signal ranges from 0.3V to 0.6V. What is the largest value of the closed-loop gain for which the circuit will perform as a linear amplifier
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.7° below the horizontal. determine the car's position relative to the base of the cliff
a piano note is compared to a tuning fork vibrating at 440 Hz. Four beats per second are discerned by the piano tuner. What was the initial frequency of the piano wire
An LVDT Is used to measure the axial deformation a simple bar.The uncertainty in this measurement is ± 0.025mm. A steelbar is to be used to measure a force of 1100N with an uncertaintyof 1 percent.
An intermediate reaction used in the production of nitrogen containing fertilizers is that b/w NH3 and O24NH3(g) + 5O2(g)--> 4NO(g) + 6H2O(g)
Hypohalic acid, HOX, is a weak acid with a Ka of 3.341x10-8. What is the pKb for the hypohalite anion, OX-, in a 0.8865 M solution of KOX
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