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Which is the significance of the "critical point" in a phase diagram?
It is important that the flask used for molar mass determination is completly dry before adding volatile liquid unknown to it.why? what would happen to any droplets of wash-water remaining in the flask when the temperature of the flask is raised t..
The reversible chemical reaction has the following equilibrium constant: Kc=[C][D]/[A][B]=7.0 Initially, only A and B are present, each at 2.00 M .
Two seperate samples of argon gas are held seperate chambers connected with a valve in the middle. Chamber A has a bolume of 2.00 L, and contains 120 g of Ar at 650 K
Suppose Joule encountered the waterfall at Niagara Falls. Calculate the height if the temperature difference between the top and bottom of the waterfall is 0.20° F.
Explain a vitamin tablet was dissolved in a 500mL flask. 50mL of this solution was transferred to a 100mL flask as well as filled to the line. Explain how many mg of Fe are in the tablet if the concentration of Fe is 2.83 g/mL in the 100 mL flask
A sample containing 4.80 g of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole gas is added?
The measured membrane potential across the inner membrane of a liver mitochondrion is approximately 0.168V. What percentage of this energy is converted
What is the percentage of total acid expressed as acetic acid in a sample of vinegar if 3g of the vinegar require 20.50mL of 0.1150N KHP
The sodium hydroxide solution was prepared by dissolving 10.00 g of solid NaOH in sufficient water to form 200.00 mL of solution. If the equivalence point was reached after the addition of 23.50 mL of the NaOH solution, what is the molarity of HNO..
Draw (A) a 1o alcohol with four carbons; (B) a 3o iodide with five carbons; (C) a 2o alcohol with a 1o chloride on three carbons; and (D) a methyl bromide.
How can the molecular ion (for EI-mass) be depicted when you have an alkane with a chlorine? Where would the radical electron go?
What mass of anhydrous potassium dihydrogen phosphate and dipotassium hydrogen phosphate would you need to manufacture 500ml
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