Calculate the solubility of zinc hydroxide
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
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A sample containing 0.175 g of cl- is dissolved in 50 ml of deionized h2o. The solution is titrated to the equivalence point with a AgNO3 solution. The final volume of the titrated sample is 75 mL. What is the concentration of the AgNO3 solution.
Determine the factor of safety against overturning about point A if = 3 .The factor of safety is defined as the ratio of the stabilizing moment divided by the overturning moment.
The Henry's law constant for helium gas in water at 30°C is 3.7 10-4 M/atm; that for N2 at 30°C is 6.0 10-4 M/atm. If the two gases are each present at 1.2 atm pressure, calculate the solubility of each gas.
A test on an 80 W fluorescent lamp circuit gave the ff. results when connected to a 50 Hz mains supply. Calculate the value of the power factor correction capacitor in microfarads (μF).
A pipeline terminates in a nozzle of outlet diameter = 0.15 m. The free jet from the nozzle is deflected through 120º by a vane as shown. Water flow rate through this pipe is 0.25 m3/s.
A 10.0L container of helium gas with a presure of 250mmHg at 0 degrees Celsius is heated to give a pressure of 1500mmHg. What is the temperature in degrees Celsius?
Figure 1 shows a class A power amplifier. Assuming that the base-emitter voltage (VBE) of the transistor in conduction is 0.7V. If the resistance RB = 1.2k W and RE = 50 W,Determine the quiescent output voltage VCEQ and current ICQ
Solid silver nitrate is added to a solution that is 0.0010 M each in NaCl, NaBr, and NaI. For AgI, ksp= 1.5x10^-16, for AgBr, ksp= 3.3x10^-13, and for AgCl, ksp= 1.8x10^-10
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