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With very few exceptions, the density of a substance in its liquid state is lower than the density of the solid state. Using the atomic model of matter, explain why this is the case. Sketch diagrams showing the arrangement of molecules in a solid and in a liquid to aid your explanation.
If 2.50 g CuSO4 are dissolved in 8.0 x 102 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium
Acid catalyzed hydration of 2-pentene giives two alcohols, each with the molecular formula C5H12O. a) Draw the structure of 2-pentene.
An aqoues solution of A (GMM = 98) 67% by mass having density 1.6 g /cm2 is diluted with water till density of solution is 1.2 g/cm2. Compute the mass % and molarity of the resulting solutions
Microscopic events often mimic macroscopic events. Such is the case when understanding catalysts. Catalysts act by lowering the activation energy required for a reaction to occur. To demonstrate the role of a catalyst, let us consider an analog..
A 3.0 L container holds a sample of hydrogen gas at 300 K and 100 kPa. If the pressure increases to 400 kPa and the volume remains constant, what will the temperature be
consider the reaction of ch33co- with iodomethane or 1-chlorobutane. will the reaction rate increase decrease or remain
elongation along the one of the C3 rotation. Determine symmetry species for the SALCs required for formation of Br - F s bonds by the 5 F atoms in BrF5 (C4v).
Brain Plasticity. Discovery Channel, 2007. Accessed August 8, 2016 at https://www.youtube.com/watch?v=u2c-WHVxcfY 1. How would you define "neural plasticity"?
An electrochemical cell is constructed by coupling a Cu(II)/Cuhalf-cell with an Ag(I)/Ag half cell. The concentration of Cu(II)and Ag(I) are both 0.010 M. The observed potential
From this fact, we can deduce that a column of air one square inch in cross-section, measured from sea level to the top of the atmosphere, would weigh approximately 14.7 lb. Given that air has an average molar mass of 28.97 g, calculate the number..
If a non-cyclic alkane shows a molecular ion peak at m/z 464, what is the chemical formula
A 64 g piece of ice at 0 degrees celsius is added to a sample of water at 9 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?
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