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Question: The vapor pressure of benzene is 40.1 mmHg at 7.6C. What is its vapor pressure at 60.6 C? The molar heat of vaporization of benzene is 31.0 kj/mol.
0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions
Using bond enthalpies, estimate the heat of the gas phase reaction of methane with bromine to form methyl bromide and hydrogen bromide.
Write the net ionic equations and calculate the enthalpy of neutralization for the net ionic equations:
Seperate this redox reaction into its component half reactions( use the symbol e- for an electron)
In the equation below, fill in the blanks with the appropriate whole numbers to provide a balanced equation: ___ EtCH=CHEt + ___ KMnO4 --> ___ EtCO2K + ___ MnO2 + ___ H2O + ___ KOH
Show the condensation of two glucose molecules to form a disaccharide with an alpha linkage; with a beta linkage.
Sulfamic acid, HSO3NH2, and sodium nitrite, NaNO2, should not be brought together as solids for safety reasons, why is water added to the vial containing your unknown sample as well as to the Erlenmeyer flask containing sulfamic acid
At 50°C the vapor pressure of ethanol is 0.30 atm, acetic acid is 0.08 atm, water is 0.12 atm, and acetone is 0.84 atm. A) Arrange these substances in order of increasing rates of evaporation.
how does temperature affect the separation of strands in gc content71 verus gc content of 45. which will require a
If you measure the pH and find it to be 11.24, how many grams of triethylmine were used to make the solution?
Describe how a phospholipid differs from other fatty acids. How does this difference allow the formation of a bilayer in an aqueous medium
helium gas at 25 oc filled a balloon to a volume of 2.25 l. what would the volume of this balloon be when cooled at
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