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1.The TLV for carbon monoxide is 35ppm. Define the terms TLV and ppm and calculate them for the following example:
A mechanic in an automotive repair shop is exposed to the following carbon monoxide levels over an 8 hour shift.2 hours @ 34 ppm5 hours @ 40 ppm1 hour @ 20 ppm
Is the worker over-exposed during the duration of the work-shift?
What is the Primary concept of hazard recognition and the hierarchy of hazard control?
An acre of corn can produce about 375 gallons of ethanol, using only the kernel of the corn for conversion to ethanol. Assume the energy input to produce an acre of corn is 15000000 kJ.
Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.
How would you expect a titration curve of both the solutions and what will happen if HCl is added to the H 2 O and sodium acetate buffer ?
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
This assignment inhibits chemistry Laboratory Questions.
What mass of sucrose C 12 H 22 O 11 must be mixed with 543 grams of H 2 O to make a solution with an osmotic pressure =8.00 atm at the temperature of 12 degree celsius?
Explain the structure of the main mononitration product(s) of 3 bromo 1 nitrobenzen?
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
A sample of 2.376 g ether (The compound known as diethyl ether [(C2H5)2O], commonly referred to as ether, contains carbon, hydrogen, and oxygen) was combusted in an oxygen rich environment to produce 2.887 g of H2O (g) and 5.643 g of CO2 (g).
Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
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