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1) Which of following practice does not prevent inhalation?
a) Aeration of the laboratory
b) Fume hood
c) Biosafety cabinets
d) Respirator masks
2) Which of the following is true?
a) Safety Data Sheets are only required for organic chemical compounds
b) Employee who works with nanoparticles should receive basic safety information about the nanomaterials
c) It's not necessary to document training
d) Labeling is optional for nanoparticles
The hydrogen produced was successfully vented and no chemical explosion occurred. If 1.00 103 kg of Zr reacts, what mass of H2 is produced? What volume of H2 at 1.0 atm and 1000.°C is produced?
A storage tank for concentrated nitric acid will be constructed from aluminum to resist corrosion. The tank is to have an inside diameter of 6 m and a height of 17 m. The maximum liquid level in the tank will be at 16 m.
Find the total line current drawn by the motor when the developed torque is one-half the rated value.
ECH 3023: Mass Balance around two distillation Columns Using Excel, Derive the simultaneous linear mass balance equations for the system using all the information provided.
Sulfuric acid solution 98% by weight is known to have a specific gravity of 1.84. H2S04 concentration declared 98% of the weight of the a.pound H2S04 per ft ^ 3 solution
List out the different biological process involving acids and bases with relevant equations and in adverse conditions how is the pH level maintained in biological systems?
Find idealized expressions for the active and ohmic states and sketch the universal characteristics of an n-channel enhancement MOSFET operated below breakdown.
In actual system only 672 message channels are used. The additional pulses are used for other functions such as synchronization
A balanced three-phase, wye-connected, 2400- V, 60-Hz source supplies two balanced wye connected loads in parallel. The first draws 15 kVA at 0.8 power factor lagging, and the second needs 20 kW at 0.9 power factor leading.
This is a refrigeration cycle problem using propane (use p-H chart for propane in Appendix). 5.15 This problem is a Claude liquefaction process for methane. (Use methane p-H chart in Appendix). 6.2 (a, c, f, h, i) Here you are asked to express var..
The value of the product is $14.08 per pound, and the plant operates 300 days per year. Assuming no costs are involved other than those mentioned, what is the maximum annual profit that can be obtained under these conditions?
determine the unknown process variables.
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