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What is the complete ionic equation for the reaction of K with H2O. Identify the reducing and oxidizing agents and the oxidation and reduction products?
If 3.98 g of copper was recovered and you started with 9.10 g of copper (II) chloride, then what is the percent yield of the reaction ?
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
what is the root mean square distance travelled by an iodine molecule in benzene at 25 Celcius in 1.0 seconds.
Why will the extraction of benzoic acid by NaHCO3 generate a greater pressure of gas in the separatory funnel than the extraction
Nitrogen and oxygen do not react appreciably at room temperature, as illustrated by our atmosphere. But at high temperatures, the reaction below can proceed to a measurable extent.
A gas expands and does P-V work on the surroundings equal to 343 J. At the same time, it absorbs 159 J of heat from the surroundings. Calculate the change in energy of the gas.
Consider an ideal gas with an absolute temperature of T1. To what temperature would you need to heat the gas to double its pressure?
you have 505ml of a .170m HCL solution and you want to dilute it to exactly .100M. how much water should you add?
Calcium sulfide has a face-centered cubic unit cell with calcium ions in octahedral holes. If the radius of sulfide ion is 184pm and the density of CaS is 2.60 g/cm3.
Chemistry Reaction: 2LiOH + CO2 -> Li2CO3 + H2O Is the following equation balanced? Determine the number of atoms for each element in the reactants.
Why was the titration performed by the addition of permanganate solution to oxalate solution and not the other way around? Why was the experiment performed at an elevated temperature?
if smaller what does this tell you about concentration you determined. write equilibrium exoression to rationalize explanation. How would temp impact ksp
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