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While you compute the density of water how would your results be affected if the graduated cylinder contains a few drops of water instead of being clean and dry?
The tap water found in many areas of the U.S and other parts of the world leave white deposites when it evaporates. Is this tap water a mixture or a compound
A sample consisting of 2.5 mol of perfect gas molecules at 220 K and 200 kPa is compressed reversibly and adiabatically until the temperature reaches 255 K. Given that its molar constant volume heat capacity is 27.6 J K-1 mol-1 , calculate q, w, d..
You have 16 electrons, 16 protons, and 16 neutrons. You can combine them to make 8 Helium (He-4) atoms, 4 beryllium atoms (Be-8), 2 oxygen atoms (O-16), or one sulfur atom (S-32).
Calculate the change in entropy that occurs when 18.66 g of ice at -14.6°C is placed in 54.05 g of water at 100.0°C in a perfectly insulated vessel.
Write the electron configuration for zirconium. How many electrons are in each energy level
What is the molarity of a solution prepared by dissolving 3.50 mol NaCl in enough water to make 1.50 L of solution
Why does G always decrease as you move towards equillibrium no matter what concentrations of product and reactant you start with. or does it always decrease
A particular brand of gasoline has a density of 0.737 at 25 degree celsius. How many grams of this gasoline would fill a 14.4 tank?
The products include Cr3+ ion and I2. What was reduced in the reaction and what was the reducing agent?
The wavelength ranges corresponding to each color of light are approximate: red, 700-620 nm; orange, 620-590 nm ; yellow , 590-570 nm; green, 570-500 nm; violet, 450-400nm. You have drawn the absorption spectra for the solution containing 5.0, 6.7..
A student has analyzed several 1 nL volume samples of a 10-12 M solution. What is the expected precision due to Poisson statistics
514 mL of sulfuric acid is exactly neutralized with 453 mL 0.180 M lithium hydroxide solution. What is the concentration of the acid solution?
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