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Multiple Choice - Please reference your answer
When hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
a) Chlorineb) Hydrogen cyanidec) Hydrogen fluorided) Potassium perchloric acid
AgBr is the light-sensitive compound in most photographic films. Assume, when film is exposed, that the light energy absorbed dissociates the molecule into atoms.
How many grams of O2 gas would occupy a 400.0 liter container when the temperature is 300.0 K and the pressure is 2.20 atm?
The equilibrium constant for this reaction is 1.70 x 10^-3. Suppose that 0.860 mol N2 and 0.580 mol O2 are mixed in a 4.00-L reaction vessel. What will be the concentrations of N2, O2, and NO when equilibrium is established?
If you mix 50mL of 0.34M HCN with 100mL of 0.17M KOH what is the pH of the resulting solution. (Ka=4.0 x 10^-10)
a sample of oxygen occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held Constant.
Use Le Chatelier's principle to explain the color change which you observed after the addition of distilled water to the equilibrium mixture above.
A Flask contains 0.320 mol of liquid bromine,Br_2. Determine the number of bromine molecules present in the flask.
If 50.0 of ethanol (density 0.789g/mL) initially at 6.0 is mixed with 50.0 of water initially at 28.2 in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture?
If each bottle contains 0.358 pint of mouthwash with a density of 0.880g/mL , how many kilograms of alcohol are in 200 bottles of the mouthwash.
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
Important information about Nitration, Explain why nitration of 1,4-dichloro-benzene yields the mononitro derivative while N,N'-diacetyl-1,4-phenylenediamine forms
What monosaccharide is the C-2 epimer of alpha-D-galactose? Are these two molecules diastereomers?
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