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Explain what are the hazards flmmable, corrosive, irritant or cancer suspect agent for each of the 4 chemicals below-
Sulfuric Acid
Methanol
Methyl p-nitrobenzoate
Methyl nitrobenzoate
Vanillin is the substance whose aroma the human nose detects in the smallest amount. The threshold limit is 2.0 x 10^-11 g per liter of air. If the current price of 50.0 g of vanillin is $103 determine the cost to supply enough vanillin so that th..
The atmospheric sulfur dioxide concentration over a certain region is 0.12 ppm by volume. Calculate the pH of the rainwater due to this pollutant. Assume the dissolution of SO2 does not affect its pressure.
Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound
what will be the volume of the blimp at a height of 2300 m, where the temperature is 12°C?
an office heater puts out 2070 btus british thermal units of energy in the form of heat per hour. given that 1 btu
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
Suppose you are given 150 mg of an unknown mixture that contains three compounds, and you are told to separate the compounds using column chromatography, using alumina as a stationary phase. How would you decide what solvent or solvent system to u..
Circles, blocks, and triangles represent atoms.
a student used a dcp solution standardized to 9.94x10-4m to analyze a sample of extract from 3.50g of solid food. the
A precipitate resulted when the solution was treated with 6M sodium hydroxide. The precipitate dissolved in ammonia, giving a royal blue solution
What volume of 5.00x10^-3 M HNO3 is needed to titrate 80.00 mL of 5.00x10^-3 Ca(OH)2 to the equivalence point
The element chromium is thought to be a cancer causing agent. Chromium in the form of the chromate ion in a water soluble compound presents a risk to humans
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