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Given the following unbalanced chemical equation: Al + Cl2-> AlCl3, balance the equation. How many moles of AlCl3 are produced from 5 mole of Cl2? Show your work. What is the molar mass of AlCl3? Show your work. Calculate the number of grams of AlCl3 produced from 5 mol Cl2. Show your work.
A process involves the performance of electrical work in the amount w' on a system. Show that if the process is carried out at constant pressure, the heat absorbed is delta H-w'.
Calculate the volume of the NaOH solution needed to completely neutralize the acid in the flask. Calculate the pH for a, the initial acid solution in the flask
An aqueous solution of glycerol, C3H8O3, is 4.8 molal and has a density of 1.120 g/mL. Calculate the molarity of the glycerol solution
Consider a saturated aqueous solution of barium oxalate Ba(C2O4) while the solution is buffered at pH 3.0. The solubility product, Ksp for Ba(C2O4) is 1.0 x 10-6, the acid dissociation constants, Ka1 and Ka2, for oxalic acid,
What is the pH of a buffer made by combining 0.025 moles potassium acetate with 0.015 moles acetic acid in 200 mL of water
a sample of gas occupies 12 liters under a pressure of 1.2 atm. what would its volume if the pressure were increased to 2.4 atm? assume the the temperature of the gas does not change.
A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q. Is Q larger or smaller than the Ksp? Is the solution unsaturated, saturated, or supersaturated?..
A solution containing 0.0837 M caffeine and 0.0666 M niacin as the internal standard gave R = 423 and R = 347. To analyze a caffeine tablet, 20.0 mL caff niacin 0.146 M niacin and 20.0 mL of caffeine tablet solution were mixed
Colligative properties are independent of the type of electrolytes in solution. suppose that in a solution system, a semipermeable memebrane is used to separate a sucrose-water solution from its pure solvent, water
Consider and insulated oven with an electrical heating element. The oven is turned on and the temperature begins to rise. Indicate whethen lost work (LW) or Q are present for the following systems
The following substances dissolve when added to water. Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.
Octane has a density of 0.692 g/ml at 20 degrees celsius . How many grams of O2 are required to burn 16.0 gallons of C8H18 ?
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