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Describe the nature and characteristics of PCB's. Why are they of importance to an EH&S or FS professional who encounters them when coming upon an incident scene where they are present? What precautions, or actions, should the EH&S or FS professional take when faced with this situation? What happens to FS personnel and their turnout gear once they are exposed/splashed with PCB's?
Give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while the boiling point differences are not large?
Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added?
What is the big difference between concentrated and aqueous acids, and what role would that difference play in the reaction between 9-fluorenol and sulfuric acid?
Calculate the heat released when 2.82 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.in kJ
A 31.0-g sample of water at 290. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
How much ice in grams would have to melt to lower the temperature of 358 g of water from 40 degrees to 0 degrees? (Assume that the density of water is 1.0 (g/ml)
In the titration, 34.67 mL of the sodium hydroxide solution was required to react with 0.1082 g KHP. Calculate the molarity of the sodium hydroxide.
If glass beads in the lab were replaced by a material with less surface area, will liquid seperation be better or worse
Hypochlorous acid is a weak acid with pKa= 7.41 suppose a 45.00ml sample of 0.240 M HOCL solution is titrated with a 0.250 M standard KOH solution. what is the PH of the equivalence point
Calculate the concentration (molarity) of iron in a dilutedsolution if 5.00 mL of 5.0x10^-4 M Fe(NH4)2(SO4)2 6H2O isdiluted with water to 100.0 mL.
Express your answer with the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot (asterisk) or a dash
Then 10.00ml of this solution is diluted further to 100ml. What is the molarity of this last solution?
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