If the dose of na2co3 is 100 mgl the volume of edta is 95
If the dose of Na2CO3 is 100 mg/L , the volume of EDTA is 9.5 mL and the total hardness is 95 mg/L as CaCO3 calculate the % total hardness removed.
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Assume that the wall separating the steam and seawater is 4 mm of steel, with con- ductivity of 15 W/m K, and that a maximum 5oC difference between the two fluids is allowed in the design.
Each plate of a parallel-plate capacitor is a square of side 3.17 cm and the plates are separated by 0.551 mm. Find the electric field strength inside the capacitor
A string 2.0m in length is fixed a both ends and tigthened until the wave speed is 78m/s. what is the frequency of the standing wave
A program that tells a bus rider which buses to take to get from one location to another, arriving by a specified time.
The sand particles range in diameter from 0.04 to 2.0 mm with a specific gravity of 2.65. The wastewater discharge rate is 1400 m3 /d at 20°C. Design a settling tank to remove all the metal and sand particles.
A 250g , 49.0 cm diameter turntable rotates on frictionless bearings at 60.0 rpm. What is the turntable's rotation angular velocity when the block reaches the outer edge
Flywheels are large, massive wheels used to store energy. They can be spun up slowly, How much energy is stored in the flywheel
What is the silver ion concentration in a solution prepared by mixing 427 mL of 0.385 M silver nitrate with 471 mL of 0.488 M sodium phosphate? The Ksp of silver phosphate is 2.8 × 10-18
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