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1. How many grams of the product formed at the cathode in the electrolysis of an aqueous solution of cupric chloride will be produced by a current of 1.0 A operating for 4.0 hrs?
2. What is the specific activity, in Ci/g, of an isotope if 4.56 mg of the isotope emits 2.27 x 108? particles per second? [1 Ci = 3.7 x 1010 disintegrations/second.]
consider the following reactionpcl5g -gt pcl3g cl2g .at equilibrium pcl5 2.00 m and pcl3 cl2 1.00 m. if suddenly
A 70 piece of ice at 0 is added to a sample of water at 6. All of the ice melts and the temperature of the water decreases to 0. How many grams of water were in the sample?
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
Phthalocyanine is a large molecule used in printing inks and dyes for clothing due to its insolubility in most solvents, its chemical stability, and its intense blue color.
Use the H NMR spectrum of the purified cyclic acetal to identify the major diastereomer From borohydride reduction. There are no minor diastereomers. Draw its structure including stereochemistry. Determine the ratio between major:minor.
If 1 gallon of paint can cover a square room and ceiling with walls that are 9.36 feet high and 9.36 long, what is the thickness of the paint (in micrometers)?
Our quality control department is being moved to a different location and will not be able to handle any projects for a few weeks.
carbon monoxide will burn in air to produce co2 according to the following equation 2 co g o2 g yields 2 co2 what
Write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (Use a noble gas core abbreviation) Na^+, Mg^2+ Cl^- K^+
What is the boiling point and freezing point of a 3.12 m solution of naphthalene in benzene. the boiling point and freezing point of benzene are 80.1 degree C and 5.5 degree C respectively: Kb = 2.53 degree C/m; Kf = 5.12 degree C/m
When the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 16.7degrees C a strong vinagerable odor is noticeable immediately. How many acetic acid phases must be present in bottle. Explain.
If the chemist mistakenly makes 275 mL of solution instead of the 200 mL, what molar concentration of sodium nitrate will the chemist have actually prepared?
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