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Calculate the freezing point and normal boiling point of each of the following solutions: a.25.0% by mass glycerin, C3H8O3, in water b.28.0 g of propylene glycol, C3H8O2, in 325 mL of water (d=1.00 g/cm3) c.25.0 mL of ethanol, C2H5OH (d=0.780 g/mL), in 735 g of water (d=1.00 g/cm3)
Calculate the kinetic energy of 2 kg of helium gas at 25 C. If this energy could be captured and used to accelerate a 1400.0 kg automobile, how fast would the car travel on a flat surface (ignoring friction)
Alkenes: Reaction of (2Z)-3,4-dimethylpent-2-ene with Br2 and CCl4 Draw the product formed when the structure shown below undergoes reaction with Br2 in CCl4.
at 0.967 atm the height of mercury in a barometer is 0.735 m. if the mercury were replaced with water what height of
What are the formal charges on all of the atoms of carbonate. How many resonance structures are there
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
How many grams of zinc metal will react completely with 8.2 liters of 3.5 M HCl? Zn (s) + 2 HCl (aq) ZnCl2 (aq) + H2 (g)
A student placed 11.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mark on the neck of the flask was reached. The flask was then shaken until the ..
before addition of any HCl (b) after addition of 25.0 mL of HCl (c) after addition of 50.0 mL of HCl (d) after addition of 100.0 mL of HCl
Assuming complete dissociation and ideal behavior, what would be the boiling point of an aqueous solution of MgCl2 that is 8.0% MgCl2 by mass? For H2O
If 4.00 grams of NaOH is added to 1.00 L of the solution in #1 (assume no volume change), what is the pH of the resulting solution
explain how alkenearomatic c-h stretches are distinguishable from alkane c-h stretches. do the c-h stretch peaks in the
If the formula for magnesium fluoride is MgF 2 and the formula for potassium chlorate is KClO 3 , then what is the formula for magnesium chlorate?
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