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Problem- Butanal (molecular weight=72) has a boiling point of 76 degrees Celsius while 1-butanol (molecular weight=74) has a boiling point 118 Celsius. What accounts for this difference in boiling points?
It is not a question in the book, so I just need the full solution of deriving!
What would happen if a pressed polystyrene top was used to cover the polystyrene cup after the acid and base solutions had been mixed
90-g sample of a large biomolecule was dissolved in 23.0 g of carbon tetrachloride. the boiling point of this solution
What is the value of work (w) when a piston of volume 0.2 L expands against an external pressure of 200 kPa to a volume of 3.4 L?
As per to the collision theory of chemical reactions, explain what three things are necessary for a chemical reaction to occur
If two different substances have the same or nearly the same Rf values, it is difficult to separate these materials in a mixture. How could this experiment be changed to separate such a mixture
Rank the solutions from the highest to lowest pH.
Which is the excess reactant in the given reaction Na 2 S + CuSO 4 Na 2 SO 4 + CuS it is given that you start this reaction wit 15.5 grams of Sodium sulfide and 12.1 grams of copper sulphate?
If 200 g of water at 20 degrees celcius absorbs 41840 J of energy, what will its final temperature be
Suppose a snack bar is burned in a calorimeter and heats 2,000 g water by 20 °C. How much heat energy was released? (Hint: Use the specific heat equation.) Give your answer in both joules and calories.
Calculate the equilibrium constant for the dissolution of calcium carbonate at pH=6 in the presence of EDTA as shown below: CaCO3(s) + EDTA^4- (aq) + H+(aq) --> [Ca(EDTA)]2-(aq) + HCO3 (-1 charge)(aq)
What two aqueous reactants might you combine to give a barium sulfate precipitate? Write the molecular equation for the reaction that would result.
Explain a chemist isolated an aromatic compound of molecular formula C6H4Br2. She carefully nitrated this compound as well as purified three isomers of formula C6H3Br2NO2. Intend a structure for the original compound and the three nitrated derivat..
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