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Describe how the chemical characteristics, production methods, uses, and associated unique hazards of sulfur can affect the safety of an environmental health and safety (EHS) and fire science (FS) professional.
The specific heat of ethanol is 2.46 J/goC. Find the heat energy required to raise the temperature of 193 g of ethanol from 19oC to 35oC.
how many grams of ice at 0 degrees celcius and 101.3 kpa could be melted by the addition of 0.400 kj of
a 155ml volume of oxygen gas is collected over water at 23 degrees celsius and a barometric pressure of 770mm. the gas weighs 0.185 grams. what is the pressure of the dry gas?
Compare the roles that these groups might play in catalysis with those of zinc in carboxypeptidase.- What atoms are formally reduced in the overall reaction?
For Hvap for a liquid the slope in the Clausius-Clapeyron equation is A Positive,B negative,C zero,D positve or negative.
Sodium sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
The binary hydrogen compounds of the Group 4A elements and their boiling points are: CH4, -162 deg C; SiH4, -112 deg C; GeH4, -88 deg C; and SnH4, -52 deg C. Explain the increase in boiling points from CH4 to SnH4.
Calculate the percent composition of copper in the hydrate CuSO4.5H2O based on atomic weight data.
if the chemical reaction has occured by a mechanism that involves more than one step. what is the reaction occurs by
You mistakenly classified a tertiary amine as secondary and tried to prepare a p-toluenesulfonate derivative.
A chemist must dilute 80.5mL of 126mM aqueous sodium thiosulfate solution until the concentration falls to 110.mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
A student tried this identical procedure with a slight modification on a gel antacid. The student dissolved 3.00 mL in 25.00 mL of a standardized HCl solution containing 1.727 *10^-2 mol of HCl. The back titration of the excess HCl required 4.62 m..
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