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The vapor pressure of ethanol is 100 mmHg at 34.9°C. What is its vapor pressure at 65.5C? (?Hvap for ethanol is 39.3 kJ/mol.)
Explain how you arrived at this conclusions. Write a balance chemical equation for the reaction that occurs when sodium cyanide dissolves in water.
determine what is the density of the oxygen gas in the full bottle if a cylindrical gas lecture bottle has internal
if 11.2 L of N2 are reacted to form NH3 at STP, how many liters of hydrogen will be required to consume all of the nitrogen
The beaker will fill up to the 1.00 \rm L mark with the solution. Arrange the acids in increasing order of acidity.
How much heat is associated with the dissociation of a weak acid, NaHSO4 in water? HSO4^-+H20 >>> H3O^+ + SO4^2-? (not sure if this is a seperate part?) Is this dissociation exothermic or endothermic
What is the structure of the product of Diels-Alder reaction of (E,E)-2,4-hexadien-1-ol with maleic anhydride?
The following pairs of solvents/solutions are not miscible. Which of the pair would sink to the bottom of the container?
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
Consider the acid-catalyzed cleavage of propylene oxide with 1-propanol. Provide abbreviated structural formulas for the protonated epoxide substrate and of 1-propanol
At what temperature will nitrogen gas (N2) have the same density as helium gas (He) at 27 degrees C and constant pressure
Calculate the cell emf for the following reaction: 2Ag+(0.30 M) + H2(1 atm) 2Ag(s) + 2H+(pH = 7.0) Need step by step instructions
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
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