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Discuss the Hazard classification of areas; class, group, division with respect to flammable gas atmosphere in a chemical process industry and Outline the Principles and standards of intrinsic safety, techniques in the design, use of intrinsically safe devices, and selection the Method of Protection.
What range of magnetic field strength would be required to cover the mass range between 16 and 625, for singly charged ions, if the accelerating voltage is held constant?
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
how many grams of potassium sulfate are required to make 385 ml of 2.5M solution
Assume that a waste contains 395.0 mg/L of biodegradable CH2O and is processed through a 190000.0 L/day sewage treatment plant which converts 40% of the waste to CO2 and H2O.
if the tank is heated, what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
Sodium chloride has a solubility of 35.7g/100mL water. If you have 350mL of water and you add 115g of sodium chloride to it and mix well.
Microwave ovens emit microwave energy with a wavelength of 12.6 cm. What is the energy of exactly one photon of this microwave radiation
Determine whether a solid forms when solutions containing the following salts are mixed. If so, write the ionic equation and the net ionic equation. NaF and AgNO3 . Write the ionic equation.
Consider the six pz orbitals on carbon atoms (the pi system) of the benzene molecule (D6h symmetry). These may be treated as vector arrows pointing vertically above the plane of the six-membered ring.
What is the molar mass of an unknown gas if the density of that gas is 0.726 grams/liter at a pressure of 0.634 atm and a temperature of
The Tl in a 9.76 g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. The reaction is Tl3+ +MgY2-> TlY- + Mg2+
The activation energy for a particular reaction is 64 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 80 oC
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