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What amount of Potassium Chloride forms when 5.25 litres of Chloride gas at 0.95 atm and 293 K reacts with17.0 g of Potassium?
Use the van der waals equation and data in the text to calculate the pressure exerted by 18 gram of H2 at 20C in a 1.00L container. Repeat the calculation assuming that the gas behaves like an ideal gas.
How many liters of chlorine gas, measured at STP, would be produced by the electrolysis of molten sodium chloride using a current
An aqueous solution is 28.0% by mass ethanol, CH3CH2OH, and has a density of .957 g/mL. What is the molality of ethanol in the solution
Electron Configurations of Atoms and Ions The electron configuration of an atom tells us how many electrons are in each orbital. For example, helium has two electrons in the 1s orbital. Therefore the electron configuration of He is 1s^2. Part A Wh..
.28 moles of Br2 and .32 moles of CL2 are introduced into a 5.0 L container at 298 K calculate the equilibrium concentration of BrCl2
The density of aluminum is 2.70 g/cm3 and the density of chromium, is 7.19 g/cm3. If equal masses of aluminum and chromium are transferred to equal volumes of water in separate graduated cylinders, which graduated cylinder would have the greatest ..
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
during lab you measured the ph of common household items. write net broslashnsted equations that show the acidic or
Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 ? 10-4]
If doing by hand, please write dark onpaper before scanning. Balance and do total net ionic equations
Calculate the number of moles of carbon dioxide formed if 231 grams of calcium carbonate decomposes. CaCO3(s) ? CaO(s)+CO2(g)
The weak acid HZ has a ka of 2.55*10^-4. What is the pH of a .075 M HZ? What is the pOH of .045 M HZ?
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