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Isopropyl alcohol "rubbing alcohol" has a vapor pressure of 10.0 mm Hg at 2.4 degrees Celsius and 100 mm Hg at 39.5 degrees Celsius. Calculate
a) the heat of vaporization
b) the normal boiling point of isopropyl alcohol
how much dry solute would you take to prepare each of the following soluions from the dry solute and the solvent? Part A. 124ml of 0.555M KCl. Part B 10g of .530m KCl. Part C 107g of 5.4% KCl solution by mass.
a typical person has 200 mg of cholesterol pr 100 ml of blood. if the total blood volume of an individual is 5 liters
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn^2+(aq) + 2e^- -----> Zn (s). How many moles of zinc are in 3.00 kg of zinc
The flask was filled to the calibration mark with water, and the contents were thoroughly mixed. What were the equilibrium concentrations of H+, Na+, H2PO-4 , and HPO-2 in the resultant solution? Ka1 = 7.1x10-3, Ka2 = 6.3x10-8, and Ka3 = 4.2x10-13..
What volume (in milliliters) of 0.190 M NaOH should be added to a 0.135 L solution of 0.022 M glycine hydrochloride
A gas cylinder contains a mixture of He and Ne at STP. Which of the following quantities would have the largest magnitude. A) Root mean square speed of He
Why is comparing moles of reactants without using the balanced equation not the proper way to determine the limiting reactant? Is it because you need to have it balanced to understand the moles being used correctly
Explain whether or not each coefficient is significantly different from zero.
Calculate the molarity, Molarity of iron (III) chloride solution
Identify the largest heat of combustion, small heat of combustion and highest boiling point for: heptane(i), 3-methylhexane(ii), nonane(iii)
Why does it take significantly stronger magnetic and electric field strengths to move the beam of alpha particles compared with the beam of electrons (beta particles)
Its volume has been accurately determine to be 3226.7kj/m. 2.5127 gm benzoic acid are burned in a carorimter the temperatuer rises from 20.84 to 25.67degree. What is the heat capacity of the bomb.
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