For the following workplace exposures, decide the control methods depending on the industrial hygiene?

Q: What is the general conclusion that you can made from the worker's (chemical engineer/technologist) ...

A: In order to manage any kind of business, especially, the business associated with the chemical secto...

Q: 1. A piece of material with a mass m and a specific heat at constant pressure given by c, = a+bT, wh...

A: Given that, The specific heat of the material CP = a + bT The initial temperature of material = T1 T...

Q: what is environmental damage for: - Barite. -Sand. -Oil. -Salt. please quickly

A: BARITE: Barite effects the ground water Quality. Barite is responsible for the higher levels of sulp...

Q: 1. For each of the questions below, please give the best response based on our discussions in class....

A:  Solution: Q.1   (a) The azeotrope is a composition at which the vapor and liquid composition remain...

Q: Species released or accepted Species released or Theory donated 190 Arrhenius Bronsted-Lowry Lewis

A: This problem is based on the basic knowledge of chemical reaction engineering. We following three th...

Q: Polymer Engineering question: - Please suggest the best polymer candidate for each of the following...

A: Solution: Solving first 3) (a) Bullet-proof armor(b) Precision plastic gear(c) Microwave tray  

Q: Determine the Michaelis constant and the maximum velocity of the reaction. Using direct linear plot

A:

Q: Practice Problems 1. Based on the following equation, how many grams of each product are produced wh...

A:

Q: The partial pressure of dry air in benzene vapor-dry air mixture at 25℃ and 760mmHg is 700mmHg. Calc...

A: Given that: The partial pressure of dry air = 700mmHg.P = 760 mm Hg T = 25 C

Q: Coal gasification consists of the chemical transformation of solid coal into gas. The heating values...

A: Given data: Higher heating value of gas = 29.77 kJ/kg’ The composition of coal is as follows: C = 71...

Q: Roasted copper ore consisting of 86% gangue (water-insoluble), 10% copper sulfate, and 4% water is e...

A: feed, F = 10 ton mass of gangue in feed, mg = 0.86x10 = 8.6 ton mass of CS in feed, mcs = 0.1x10 = 1...

Q: 1 kg of molecular sieve 5A adsorbent is introduced in the space with 100 kg of total moist air at 20...

A: Amount of heat can be calculated from enthalpies. These enthalpies are calculated from specific humi...

Q: Define the puff dispersion

A: A puff dispersion model, which consists of wind shear and dynamic plume rise, is developed for numer...

Q: What is an invariant reaction?show that for a two-component system the number of degrees of freedom ...

A: For the reaction system, in which three phases are in the equilibrium and degree of the freedom is 0...

Q: A mixture of 5.0 gA, 5.0 g B, and 5.0g C were separated by recrystallization using ethyl acetate as ...

A: The process of recrystallization is used to purify the solid compounds. Solids have a tendency to be...

Q: The isomerization of methyisocyanide, CH;NC, to acetonitrile, CH;CN, is a first-order reaction. If 2...

A:

Q: A thermometer with time constant 7 sec and showing a steady temperature of 27 oC is suddenly immerse...

A: Given that, The time constant of the thermometer τ = 7 sec Initial temperature Ti = 27oC The tempera...

Q: An exothermic chemical reaction is being performed in a CSTR, and the temperature is being controlle...

A: To control fluid flow we use control valves. There will be control signal to open or close the valve...

Q: A gas can be taken from state a to state c by two different reversible processes, a →c or a →b →c. D...

A: The first law of thermodynamics relates to the law of conservation of energy for the thermodynamic p...

Q: A pipe (ID: 130 mm, OD: 165 mm, k=15 W/m2-K, Length: 2 meters) is insulated with several materials, ...

A: The heat loss occurs through the pipe insulated by the material A, B, and C in series. The data of ...

Q: Air at 300 kPa and an average of 450 K is being heated as it flows through a rectangular conduit of ...

A: Given: Air at 300 kPa and 450K, flows through rectangular conduit of 10×15 cm2 at 15m/s Steam is ava...

Q: 31. For a counter-current heat exchanger with T = 80°C, T: = 60°C T: = 50°C and T = 30°C and the tem...

A: This problem is based on Heat transfer. Let us see the data given :  The temperature difference betw...

Q: to kg /s kg /min 140

A: The unit conversion for a quantity is to present the identical quantity in two different measurement...

Q: D&D Inc operations area personnel are experiencing problems with a particular feedback control loop ...

A: Given: Experiencing problems with a feedback control loop on an interstage cooler Explaining logic t...

Q: Rich cow's milk (4536 kg/hr, cp = 3.85 kJ/kgK ) at 4.4°C is heated in HE to 54.4°C by hot water. How...

A:

Q: Diagram 1 ahowa zome typical refinery producta with their carbon atom contente and boiling ranges. A...

A: i) B is in boiling range from 180oC to 300oC, while D is in a boiling range from 180 to 350oC. Aviat...

Q: the difference between changes in enthalpy  and internal energy for the explosion of trinitrotoluene...

A:

Q: 5. The separator shown below produces pure acetone from a mixture of acetone and toluene. acetone (0...

A: a) The required equation of stream 2 can be derived by simply, applying the material balance over th...

Q: Name the following compound:

A: Given - Two organic Compounds Find - IUPAC names

Q: Calculate the theoretical air/fuel ratio by mass and the percentage composition of the products of c...

A: Givencombustion of ethanol, C2H5OHTo find1a-theoretical air-fuel ratio by mass1b-percentage composit...

Q: A stream containing 10% CH4 and 90% air by volume is to be heated from 20 deg Celsius to 300 deg Cel...

A: Given data: Volumetric flow rate of gas mixture = 2000 L(STP)/min Initial temperature = 20 0C Final ...

Q: Consider the reaction • 2NH3la -- 4N2 + 3H20 AH r - 879.6 T - 8796 KiloJoules. What is the standard ...

A: Given that, 3N2Og + 2NH3g → 4N2g + 3H2Og The heat of the reaction ∆Hrxno = -879.6 kJ The standard en...

Q: A composition sensor is used to continually monitor the contaminant level in a liquid stream. The dy...

A:

Q: 40. For the liquid phase parallel reactions R = k}C%; E1 = 80 kJ/mol E2 = 120 kJ/mol A R A S rs = K2...

A: Let us see what data are given : E1 = 80 kJ/mol E2 = 120 kJ/mol A ---> R     rR = k1  CA2 A ---&g...

Q: Water is flowing at the rate of 1.13 kg/s in a 1-2 shell-and-tube heat exchanger and is heated from ...

A: Given data: Mass flow rate of water = 1.13 kg/s Temperature of water entering the heat exchanger = 4...

Q: ig Suppose C, of Argon is 20.786 J/mol.K, determine ig. Cy in J/mol.K

A: Given details: CP=20.786 J/mol.K find CV in J/mol.K

Q: Flow process of production stearic acid and BFD of production of stearic acid

A: Introduction Stearic acid, C17H35CO2H,  is one of the most common long-chain fatty acids, saturated ...

Q: how to calculate mole needed to produce that amount of methanol (given amount methanol = 3424.7 kmol...

A: Let us see what data are given :  Molar flowrate of methanol = 3424.7 kmol/h Now let us see what rea...

Q: Consider the isothermal gas-phase decomposition reaction: A → B + C. The reaction is to take place a...

A: As per the guidelines, we can answer only 1 question at a time. please answer the other question sep...

Q: Ammonia is being cracked on a solid catalyst according to the reaction NH3 ………………….(1/2)N2+(3/2)H2 A...

A: Given that, The mole fraction of NH3 in the gaseous mixture y1 = 0.4         (Volume% = mole% for ga...

Q: The term k/pc_p is the O A. Shear component of the heat diffusivity B. Thickness of thermal boundary...

A: Term kρCp is

Q: Consider the liquid phase reaction: R → P. If the reaction is conducted in two isothermal reactors w...

A: Liquid phase reaction is  R → P Condition-Reaction is conducted in two isothermal reactors with iden...

Q: 2. In this equation, how many grams of calcium carbonate will be needed to form 4.29 liters of carbo...

A:

Q: Two bulbs are connected by a straight tube, 0.001 m in diameter and 0.15 m in length. Initially the ...

A:

Q: 1-At 500°C and 93.2 kPa, the mass density of sulfur vapor is 3.710 kg.m. What is the molecular formu...

A:

Q: A 3.0 g of coal sample was Kjeldahl and NH3 gas was absorbed in 45 mL of 0.1 N H2SO4. After the abso...

A: Given, weight of coal sample=3 g NaOH consumed= 8.5 ml Normality of H2SO4 and NaOH= 0.1N Quantity of...

Q: Problem 2. Prepare a 100 kg grower ration with 18% CP using rice bran (13% CP) and soybean oil meal ...

A: Given that 100 kg grower ration with 18 % CpRice bran =13 % CPSoybean oil meal  =49 5 cpFor vitamins...

Q: 1. In the sta would thi WO

A: To answer In the standardization of the Na2S2O3 solution, if you did not titrate the liberated iodin...

Q: Two metals of equal amount but with different heat capacities are subjected to the same amount of ap...

A:

Q: The left face of a dimensional slab of thickness 0.2m is maintained at 80°C and the right face is ex...

A: Given data: Temperature of left face of a slab = 80 0C Thickness of slab = 0.2 m Temperature of air ...