How many milliliters of either 0.5m koh need to added
A phosphorous acid buffer needs to be prepared to a pH of 5.92; given a 120mL solution of 25mM phosphorous acid, how many milliliters of either 0.5M KOH or 0.4M HCl will need to be added to the solution to reach the desired pH?
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A gas occupying a volume of 428 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
The transverse shear V at a certain section of timber beam is 25kN. if the beam has the cross sectio shown in the figure.
Compare the bonding in S-Cl with S-OH in Sulphur (VI) compounds and attempt to rationalise the reactivity of the chloro-derivatives of Sulphuric acid with water?
What is the rate constant of a first-order reaction that takes 2.50 minutes for the reactant concentration to drop to half of its initial value?
If 5.50 of the unknown compound contained 0.183 of and 0.367 of , how many moles of oxygen, , were in the sample?
What are the technique that we encounter in the experiment of preparation of standard solutions and standardization of hydrochloric acid solution with primary standard sodium carbonate solution
A steam turbine receives water at 15 MPa, 600oC at a rate of 100 kg/s, shown in Figure Q4 below. In the middle section 20 kg/s is withdrawn at 2 MPa, 350oC, and the rest exits the turbine at 75 kPa and 95% quality.
Star-connected capacitor bank is used to correct this power factor to 0.95 lagging. star-connected capacitor bank to correct this power factor to 0.95 lagging. What effect does the capacitor bank have on the efficiency of the motor?
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