Equilibrium constants for solids
If solid PbCl2 and PbF2 are placed in equal amounts of water in seperate beakers, in which beaker is the concentration of Pb+3 greater? Equilibrium constants for these solids dissolving water are as follos: K=1.7x10^-5 and K=3.7x10^-8
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A 4-stroke, 4 cylinder automotive engine develops 150 N-m brake torque at 3000 rpm. Assuming brake mean effective pressure to be 0.925 bar, Take, mean piston speed as 12 m/sec. Find (i) Brake power in kW (ii) Displacement volume in m3.
Calculate the Ksp of lead iodide from the following standard electrode potentials, at 25 °C: 2 e- + PbI2(S) ⇔ Pb(s) + 2 I-(aq) E° = -0.365.
If you dilute 30.0 of the stock solution which has a volume of 20.4 ml to a final volume of 0.480, what will be the concentration of the diluted solution?
How many kilocal are required to increase the temperature of 15.6 g of iron from 122 °C to 355°C? The specific heat of iron is 0.450 J/g °C.
In orthogonal turnning of a bar of 100mm diameter with feed of 0.25mm/rev depth of cut 0f 4mm and cutting velocity 90m/min it is observed that the main (tangential) cutting force is perpendicular to the friction force acting at the chip-tool interfac
The molar enthapy of fusion for water is 6.008 kJ/mol. Calculate the molar enthapy of vaporization of a substance if 0.652 mol of the substance absorbes 6.411 kJ when it melts
Sodium carbonate () is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 5.04×103 of sulfuric acid solution?
In a reaction, 30.3 g of chromium(III) oxide reacts with 10.8 g of aluminum to produce chromium and aluminum oxide. If 20.7 g of chromium is produced, what mass of aluminum oxide is produced?
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