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Calculate the freezing point depression expected for 0.0711m aqueous solution of Na 2SO4 . If this solution actually Freezes at ?0.320°C, what would be the value of van't Hoff factor?(Kffor water is 1.86°C mol-1).
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 1.56 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in Volt..
the world's estimated annual gas reserves in 2006 were 6124 trillion ft3 .The world rate of annual use was 105.5 trillion feet3. How long these reserves will last if the rate of use continues?
Benzene, phenol and benzaldehyde. Which of these would you predict to be the most reactive toward an electrophile? Briefly explain.
Size of a hydrogen spherical balloon for lifting a payload, Determine the size of a spherical balloon filled with hydrogen at 30°C and atmospheric pressure for lifting 400Kg payload
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.190 M HClO(aq) with 0.190 M KOH(aq). The ionization constant for HClO can be found here.
An ancient gold coin is 2.2 cm in diameter and 3.0 mm thick. It is a cylinder for which volume = (π)(radius)2(thickness). If the density of gold is19.3 g/cm3, what is the mass of the coin in grams?
the vapor pressure of a solution containing 53.6 g glycerin c3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at
Cyclohexane, C6H12, undergoes a molecular rearrangement in the presence of AlCl3 to form methylcyclopentane, CH3C5H9, according to the equation
For this assignment, you are required to read the article entitled "HazMat Emergencies: Decontamination and Victim Chain of Survival," by Gunderson, Helikson, and Heffner (2014), and write a review. The article may be found in the Academic Search Com..
What volume of glacial acetic acid (d= 1.06 g/mL) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2 M acetate buffer, pH 5.0
What is the correct formula of the salt formed in the neutralization reaction of hydrochloric acid with calcium hydroxide and Select the compound in which sulfur has its highest possible oxidation number.
Sucrose, C12H22O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and nitric acid, HNO3, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound
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