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Nickel has a face-centered unit cell with all atoms at lattice points and an edge length of 352.4 pm. The density of metallic nickel is 8.91 g/cm3. What is the mass of a nickel atom?
Menthol is a crystalline substance with a peppermint taste and odor. When 1.65 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 8.78 °C. The freezing point and Kf constant for cyclohexane can ..
Calculate the mass of water formed by the complete reaction of 758 g of propane (C3H8) with excess oxygen
Explain how to determine exclusion limit of a gel of unknown origin.
Do I solve this assuming that there are 1.6mL of ethylenediamine in the solution, and somehow use the density of water to calculate?
How many simabonds are there in a C60 molecule? 2. Which has stronger carbon-carbon bonds: graphite, diamond or C60? Please explain
what is the molarity of a solution prepared using the given amount of solute and total volume of solution.
what is the significance of a limiting reactant? discuss how it is found and what it tells us about the amount of
Calculate the pH of a solution prepared by mixing 20.5 mL of a .5 M sodium flouride solution with 32.5 mL of a .750 M hydrofluoric acid solution
a 0.500 l solution of 7.50 m hydrochloric acid is used to neutralize a 250.0 g sample of calcium hydroxide. calcium
When doing column chromatography using a silica as a solvent. got two bands when separating blue dextran...but unfortunately cannot remember the colors of those bands
What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below
Calculate the mass of CO2 emitted into the atmosphere upon accelerating the SUV from 0 to 67.0mph . Assume that the required energy comes from the combustion of octane with 30% efficiency.
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