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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.
We did an experiment on leaf decomposition. Given the following information, can someone supply the net, balanced, ionic equations for the experiment
Now consider a sample that consists of four spheres, each with a different mass: blue mass is 4.00 g, red mass is 3.75 g, green mass is 3.00 g, and yellow mass is 1.25 g. Calculate the average mass of a sphere in this sample.
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
Explain how many grams of lithium nitrate, LiNO3 are necessary to prepare 3.00 x 102mL of 2.00 x 10-1 M solution
the specific heat of iron is .443 jgk. what mass of steam at 100 degrees celcius must be converted to water at 100
What is the pH of a buffer prepared by adding 0.45 mol of the waek acid HA to 0.608 mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66e-7
What was the percent copper in the alloy? Besides copper, what cations are present in solution after you react the alloy nitric acid?
Write an equation for the formation of the salt that could be formed by reaction of one molecule of adipic acid with two molecules of ethylamine
The concentration of Mg2+ in seawater is 0.052 M. What is the pH when 95% of the magnesium ions will be precipitated as the hydroxide salt. (Ksp, Mg(OH)2 is 8.9 x 10-12).
A solution of ethanol (C2H5OH) in water is prepared by dissolving 72.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 300.0 mL of solution. What is the molarity of the ethanol in this solution?
Potassium permanganate (7.57 g) reacts with sulfuric acid (10.32 g) as per the chemical equation shown below. Which reactant will remain after the reaction is complete
At volume of 0.200 M K2Cr2O7 will be required to oxidize the Fe2+ iron in 60.0 mL of .200 M FeSO4 solution?
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