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How can you determine an ion's charge from its group position on the periodic table?
Show how an electron configuration is converted to a Lewis dot structure.
What do prefixes represent when naming covalent compounds?
When are prefixes not used for naming covalent compounds?
When is there an exception to the covalent naming system?
Assume sucrose and water form an ideal solution. What is the equilibrium vapor pressure of a solution of 2.0 grams of sucrose (molecular weight 342g mol-1) at T = 293 K if the vapor pressure of pure water at 293 K is 17.54 Torr.
Evaluate the average kinetic and potential energies, and , for the ground state (n=0) of the harmonic oscillator by carrying out the appropriate integration.
calculate the percent yield of the reaction of 205 grams aluminum hydroxide with 751 grams hydrogen sulfate sulfuric
Question- A solution contains 0.288 mol of NaCl dissolved in 9.03 mol of water. a) What is the mole fraction of NaCl b) What is the molality of the solution
Suppose we want a soln containing 150 micrograms of the protein at a concentration of .5 mg/ml. To do this we will first evaporate the liquid from enough of the protein soln to get 150 micrograms. How much coln do we need to start with? How much H..
Fructose is a hexose monosaccharide just like glucose. This means both glucose as well as fructose has the same molecular formula, C6H12O6 and both are nonvolatile nonelectrolytes. A fructose solution was prepared in water and the freezing point o..
What is the celsius of the liquid
How many moles of sodium choloride should be put in a 50.0 ml volumetric flask to give 0.15 molarity NaCl solution when the flask is filled to the mark with water
Decide whether you wish to study chemistry in medicine or chemistry in the environment - Post a one-paragraph summary of the link.
an unknown compound has the following chemical formula crohx where x stands for a whole number. measurements also show
Provide simple instructions for preparing 1.00 L of a solution having pH = 7.00 at 298 K. Your instructions should include the volumes of the solutions required. (1b) What is the buffer capacity of the resulting solution.
Calculate the final temperature of the gas, in Kelvins, if the pressure is increased to 124 kPa and the volume decreases to 5.00 L.
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