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OSHA has limited regulatory requirements for ionizing and non-ionizing exposures.
Is this a good thing or a bad thing? Why?
If you believe they should have more regulations, what should they regulate and why?
A solution contains a mixture of cl- and br- ions . can both be positively identified? write appropriate equations to support your
The reaction of 6.68 of carbon with excess O2 yields 13.05 g of CO2. Explain what is the percent yield of the reaction
Helium gas, at constant pressure of 1.6 atm, expands in volume from 25.7 L to 86.3 L. The temperature is held at 357 K. Calculate the work done by the gas(in joules).
Suppose a gaseous mixture of O2 and Kr has a density of 1.104 g/L at 335 torr and 400K. Define what is the mole percent O2 in the mixture
Draw a flame ionization detector FID using the following parts: column, flame, hydrogen, air, electrode, current meter
Identify each of the following as an acid or base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition?
At a certain temperature the equilibrium constant for the subsequent chemical equation is 2.60. At this temperature compute the number of moles of NO2(g) that must be added to 2.73 mol of SO2(g) in order to form 1.30 mol of SO3(g) at equilibrium.
What is the formula for corn oil, a triglyceride containing palmitic, oleic and linoleic acids
why is the vertical movement of air critical to the formation of clouds and precipitation? how is this vertical
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15 M sodium benzoate (C6H5COONa). [Ka = 6.5 ? 10-5 for benzoic acid]
He finds that the total pressure at equilibrium is 40% greater than it was originally. What is Kc for this reaction?
Explain why compunds can have same electron cloud geometry but different molecular
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